CN106199992A

CN106199992A - A kind of wireless light beam reflected alignment method and device

Info

Publication number: CN106199992A
Application number: CN201510273248.XA
Authority: CN
Inventors: 钱浙滨
Original assignee: Individual
Current assignee: Individual
Priority date: 2015-05-26
Filing date: 2015-05-26
Publication date: 2016-12-07

Abstract

The present invention provides a kind of wireless light beam reflected alignment method and device, for the shortcoming that can only set up light path in a linear fashion in sending and receiving end overcoming prior art to exist.Described method includes: the first communication ends sends the first laser beam and/or the first light path detection light beam to the first reflector；First communication ends adjusts the first laser beam and/or the first light path detection light beam at the incident angle of the first reflector reflecting surface and/or incidence point with open loop or closed-loop fashion, makes to enter the light-receiving passage of the second communication ends through the emergent light of the first laser beam of the first reflector reflection；After the emergent light of the first laser beam of the first reflector reflection enters the light-receiving passage of the second communication ends, the first communication ends uses the light path alignment feedback information from the second communication ends to carry out light path tracking.The method and device that the present invention is given can realize light path and turn round alignment, extends the application scenarios of wireless light communication.

Description

A kind of wireless light beam reflected alignment method and device

Technical field

The present invention relates to optical communication field, particularly relate to a kind of wireless light beam reflected alignment method and device.

Background technology

Wireless light communication or FSO (FSO:Free Space Optical) have and need not frequency license, bandwidth, low cost, good confidentiality, lay flexibly, the feature such as electromagnetism interference.Additionally, use free-space optical communication system to set up wireless optical link, also following advantage: 1) to the protocol transparent run, the transmission control protocol that existing communication network is conventional can carry；2) point-to-point, star and the network of grid-shaped structure can be formed；3) being prone to capacity expansion and upgrading, the variation that only need to slightly make interface just can change capacity.

The subject matter that FSO exists includes:

(1) the rocking/drift about or laser alignment that the fluctuating of air index will affect between two end points of wireless optical link of the supporter of carrying FSO optical system；

(2) laser link can only realize point-to-point linear transmission in visual range, it is impossible to realizes light path in sending and receiving end and turns round transmission.

In existing patent application, creating the light beam acquiring technology relevant to FSO system, beam collimation technology, light beam tuning technology, light-beam position monitoring technology, its concrete grammar is summarized as follows:

Application No. CN97106253, the patent application of invention entitled " two-dimensional deflection plane mirror scanister " discloses a kind of two-dimensional deflection plane mirror scanister, is mainly used in air remote sensing and measures.Such as airborne laser radar, three-dimensional imaging scanner, laser scanning and ranging instrument, airborne laser sweeps the fields such as sea depth measurement.It include constitute remote sensor emission source laser instrument, with the optical axis of Laser Output Beam storing at an angle two-dimensional deflection plane mirror component and constitute remote sensor reception system receiving telescope system, Guang Lan, optical filter, photelectric receiver and signal processing system.It has the special feature that be sweep a little uniformly, containment area is big, efficiency is high and directly perceived, good linearity, convenient post-treatment, can measure target location real-time and accurately.

Application No. CN99811390, the patent application of invention entitled " beam-deflector and scanner " discloses a kind of beam-deflector (40), including a pair supporting microprism array (42) and (48), one array is made up of the material (48) of a kind of variable refractive index, and the refractive index of this material optionally can change with the electric field level that be regulated of voltage that regulation applies or intensity.This another array (42) is preferably made up of the material with constant refractive index.A conductive layer (102,104 and 82) all it is mounted with in the both sides of this variable refractive index array.The preferably front and back at this array disposes a panel (68 and 70).Two secondary arrays can dispose in parallel to each other, and the microprism typically making them is vertical, thus forms a two-dimensional deflection device.Be faster than the deflection of 100 μ s to realize response time, each prism has height and the width of desirably no more than about 100 μm of the most about 20 μm.Preferably, the higher primary school of each prism is in about 15-10 μm, to realize 30 μ s or faster response time.A kind of method making this deflector, including utilizing write-through el technology to manufacture mother matrix, has, for replicating, the array that height is below 10 μm.A pair deflector can be used to make light beam generation two-dimensional deflection, and can be used on scanner.Being the situation of laser at light beam, this deflector just can be used for laser imaging radar device.A kind of such scanner and laser imaging radar device provide the quick scanning in object or region, advantageously do not need this deflector mobile in scanning process.

Application No. CN201110161472, the patent application of invention entitled " a kind of Novel two-dimensional light beam deflection method and device " discloses a kind of automatically controlled two-dimensional light beam deflection method of Novel pure and device.The method and device can realize the angular deflection in two dimensional range, filled up the blank being currently based on single chip liquid crystal spatial light modulator in two-dimentional light beam deflection field.The present invention utilizes single chip liquid crystal spatial light modulator, utilizes a kind of novel driving principle, it is possible to conveniently realizes the quasi-continuous deflection of two dimensional range inner light beam and controls, it is achieved light beam deflecting operation convenient, precision is high, and angular distribution is uniform and quasi-continuous.Owing to producing two parameter alpha ' of phase diagram, β ' is continuous controllable parameter, therefore overcome that beam deflection angle degree in traditional method is discrete and problem pockety, and provide a kind of simple and easy method realizing two-dimentional light beam deflection, fill up the traditional method blank in two-dimentional light beam deflection field.

Application No. CN201110083703, the patent application of invention entitled " scanning optical apparatus " discloses a kind of scanning optical apparatus, comprising: light source；First optical element, is configured to the light launched from light source is converted to light beam；Second optical element, be configured to by by the Beam Transformation of the first optical element be main scanning direction extend linear image；Deflecting mirror, is configured to make the light beam having passed through the second optical element deflect at main scanning direction；And the 3rd optical element, being configured to being deflected the Beam Transformation of mirror deflection is mottled image, and makes it focus on scanned target surface.3rd optical element is the simple lens with a pair relative lens surface, and this is aspheric to each in lens surface in main scanning plane, thus meets formula:

Application No. CN200510001887, the patent application of invention entitled " light scanning apparatus and image processing system " discloses a kind of small-sized and can make the light scanning apparatus of light beam high-velocity scanning in surface to be scanned and employ the image processing system of this device.In the light scanning apparatus making movable platen (653) high speed swinging, movable platen (653) and windage and produce heat, but this caloric value is more in main scanning direction side, and less in side, swinging axle direction.Therefore, in subscan plane, light beam can be formed about line diagram picture by the coalescence deflection mirror (651) in deflector (65) at sub scanning direction (Y).Thus can reduce the deflection mirror (651) size on swinging axle direction (sub scanning direction) (Y).On the other hand, at main scanning direction side second distance than the first distance, at the upper movable platen (653) of main scanning direction (X) and vertical edge (the second adjacency section) (652b) wide apart.Therefore can reduce the air drag to movable platen (653), thus reduce caloric value itself.

Application No. CN200810093270, the patent application of invention entitled " device of adapted for adjustment of scan position of light beam ", discloses the present invention and provides the exposure device of scan position and the image processing system of a kind of light beam that can simply and accurately adjust on sub scanning direction.In exposing unit, light beam incides photoscanning element (65) from LASER Light Source collimator lens and cylindrical lens.In this photoscanning element (65), can be around the first mutually orthogonal axle AX1 and the second axle AX2 and wobble drive deflection mirror (651) independently.It addition, make deflection mirror (651) swing around the first axle AX1 by the mirror drive part controlling to be made up of the first axle drive part and the second axle drive part, thus deflect light beam and make it scan along main scanning direction X.On the other hand, by making deflection mirror (651) swing around the second axle AX2, the position on sub scanning direction Y of the scanning light beam on photoreceptor (2) can be adjusted.

The shortcoming of prior art is, laser link can only realize point-to-point linear transmission in visual range, it is impossible to realizes light path in sending and receiving end and turns round transmission.

Summary of the invention

The present invention provides a kind of wireless light beam reflected alignment method and device, can not realize light path in sending and receiving end for the wireless laser link that overcomes existing wireless light communication technology to exist and turn round the shortcoming transmitted.

The present invention provides a kind of wireless light beam reflected alignment launching technique, and the method comprises the steps:

First communication ends sends the first laser beam and/or the first light path detection light beam to the first reflector, and described first light path detection light beam is the laser beam expanded or non-laser light beam；

First communication ends adjusts the first laser beam and/or the first light path detection light beam at the incident angle of the first reflector reflecting surface and/or incidence point with open loop or closed-loop fashion, makes to enter the light-receiving passage of the second communication ends through the emergent light of the first laser beam of the first reflector reflection；

After the emergent light of the first laser beam of the first reflector reflection enters the light-receiving passage of the second communication ends, the first communication ends uses the light path alignment feedback information from the second communication ends to carry out light path tracking；

Described first reflector has any one reflective surface in plane, cambered surface and sphere.

The present invention provides a kind of wireless light beam reflected alignment method of reseptance, and the method comprises the steps:

The first laser beam or the first light path that second communication ends receives through the first reflector or the first reflector with the reflection of the second reflector detect light beam；Or, the second communication ends detects light beam and is monitored on the second reflection side or the facula position in the second communication side described first laser beam or the first light path；Described first light path detection light beam is the laser beam expanded or non-laser light beam；

Receive after the emergent light of the first laser beam of the first reflector reflection enters the signal of light-receiving passage of the second communication ends in the second communication ends, sending light path alignment feedback information to the first communication ends, this light path alignment feedback information is followed the tracks of for light path；Or, the first laser beam or the first light path detection light beam is monitored on the second reflection side or after the facula position of the second communication side in the second communication ends, sending hot spot/beam irradiation area positional information to the first communication ends, this hot spot/beam irradiation area positional information is used for light path alignment guidance；

Wherein,

Described light path alignment feedback information includes at least one information following:

It is incident to the optical axis of the first laser beam of the second communication ends light-receiving passage and the angle of the light-receiving passage key light between centers of the second communication ends；

It is incident to the first laser beam of the second communication ends light-receiving passage hot spot on the light-receiving passage object lens of the second communication ends and deviates distance and/or the offset direction of this light-receiving passage primary optical axis；

It is incident to the first laser beam of the second communication ends light-receiving passage side-play amount on the light-receiving passage imaging surface of the second communication ends and and/or offset direction;

Described hot spot/beam irradiation area positional information includes at least one information following:

First laser beam or the first light path detection light beam reflect the hot spot/beam irradiation area on side relative to the distance of the optical indicia on the second reflector reflecting surface central point or the second reflector and/or relative location parameter second；

First laser beam or the first light path detection light beam receive distance and/or the location parameter relatively of optical indicia in passage Antenna aperture or the second communication ends in the hot spot/beam irradiation area of the second communication side relative to the optics of the second communication ends.

The present invention provides a kind of wireless light beam reflected alignment discharger, and this device includes:

First beam emissions module, incident angle and/or incidence point adjusting module, light path alignment feedback information receiver module；Alternatively, including hot spot/beam irradiation area positional information receiver module, wherein,

Described first beam emissions module, for sending the first laser beam and/or the first light path detection light beam to the first reflector, described first light path detection light beam is the laser beam expanded or non-laser light beam, detects beam emissions parts including the first radiating laser beams parts and/or the first light path；

Described incident angle and/or incidence point adjusting module, for adjusting the first laser beam and/or the first light path detection light beam at the incident angle of the first reflector reflecting surface and/or incidence point with open loop or closed-loop fashion, make to enter the light-receiving passage of the second communication ends through the emergent light of the first laser beam of the first reflector reflection, detect beam optical axis including the first laser beam and/or the first light path and point to adjusting module, and/or the first laser beam and/or the first light path detect light beam light-emitting window position adjusting type modules；

Light path alignment feedback information receiver module, for obtaining the first laser beam and the second communication ends light-receiving interchannel light path alignment information, this light path alignment information is followed the tracks of for the light path between the first communication ends and the second communication ends, including the first radio reception channel module and the first radio-antenna modules；

Described hot spot/beam irradiation area positional information receiver module, carries out alignment guidance to the first laser beam under closed loop alignment pattern, including the second radio reception channel module and the second radio-antenna modules.

The present invention provides a kind of wireless light beam reflected alignment and receives device, and this device includes:

Beam reception module, light path alignment information acquisition module, light path alignment information sending module；Alternatively, including hot spot/beam irradiation area position sensing module, hot spot/beam irradiation area positional information sending module；Wherein,

Described beam reception module, detects light beam, including photoelectric detector in light-receiving passage for receiving the first laser beam or the first light path through the first reflector or the first reflector with the reflection of the second reflector；

Described light path alignment information acquisition module, for obtaining the first laser beam and the second communication ends light-receiving interchannel alignment information, specifically, for obtaining the reception interchannel light path alignment information of the first laser beam and beam reception module, including the first laser beam angle of incidence judge module, the first laser beam spot location identification module and at least one in the drop point site judge module of imaging surface of the first laser beam；

Described light path alignment information sending module, for sending light path alignment feedback information to the first communication ends, including the first radio sendaisle parts and antenna element；

Described hot spot/beam irradiation area position sensing module, is monitored, including photodetector and/or photoelectric imaging sensor on the second reflection side or the facula position in the second communication side for described first laser beam or the first light path detect light beam；Described first light path detection light beam is the laser beam expanded or non-laser light beam；Wherein, described photodetector is laid in the adjacent area of the Antenna aperture of the optics reception passage of the second communication ends, arranging at least one photodetector, this photodetector carries out location estimation and light path alignment guidance for hot spot/beam irradiation area that the first laser beam or the first light path detect light beam；In described photoelectric imaging sensor is laid in the optics reception passage of the second communication ends or outside optics reception passage, this photoelectric imaging sensor carries out location estimation and light path alignment guidance for the first laser beam or the first light path detect light beam in the second hot spot/beam irradiation area reflecting side or the second communication side.

Described hot spot/beam irradiation area positional information sending module, for sending hot spot/beam irradiation area positional information to the first communication ends, including the second radio sendaisle parts and antenna element；

Wherein,

Described second reflector has any one reflective surface in plane, cambered surface and sphere;

The present invention provides a kind of wireless light beam reflected alignment system, and this system includes:

Wireless light beam reflected alignment discharger, wireless light beam reflected alignment receives device, also includes one or more reflector module;

Described reflector module includes reflective surface element；

Laser beam is sent to wireless light beam reflected alignment reception device by described wireless light beam reflected alignment discharger by reflector module；

Preferably, it is known optical indicia that described reflective surface element comprises at least one yardstick, and described optical indicia is used for determining position and/or the angle of reflective surface element reflecting surface.

The wireless light beam reflected alignment method and device that is given in the embodiment that the present invention provides, the wireless laser link that prior art can be overcome to exist can not realize light path and turn round the shortcoming transmitted, expand the application scenarios of wireless optical transmission technology in sending and receiving end.

Accompanying drawing explanation

The one wireless light beam reflected alignment launching technique flow chart that the embodiment that Fig. 1 provides for the present invention is given；

The one wireless light beam reflected alignment method of reseptance flow chart that the embodiment that Fig. 2 provides for the present invention is given；

The one wireless light beam reflected alignment discharger composition schematic diagram that the embodiment that Fig. 3 provides for the present invention is given；

The one wireless light beam reflected alignment that the embodiment that Fig. 4 provides for the present invention is given receives device composition schematic diagram.

Embodiment

Embodiment 1, a kind of wireless light beam reflected alignment launching technique is illustrated

Wireless light beam reflected alignment launching technique embodiment shown in Figure 1, that the present invention provides, comprises the steps:

Step S110, the first communication ends sends the first laser beam and/or the first light path detection light beam to the first reflector, and described first light path detection light beam is the laser beam expanded or non-laser light beam；

Step S120, first communication ends adjusts the first laser beam and/or the first light path detection light beam at the incident angle of the first reflector reflecting surface and/or incidence point with open loop or closed-loop fashion, makes to enter the light-receiving passage of the second communication ends through the emergent light of the first laser beam of the first reflector reflection；

Step S130, after the emergent light of the first laser beam of the first reflector reflection enters the light-receiving passage of the second communication ends, the first communication ends uses the light path alignment feedback information from the second communication ends to carry out light path tracking；

The method that the present embodiment is given, wherein,

Described first communication ends adjusts the first laser beam in an open-loop manner in the incident angle of the first reflector reflecting surface and/or the method for incidence point, specifically includes following steps:

The optical axis translating the first laser beam changes the laser beam incidence point at the first reflector reflecting surface；Preferably, the optical axis making the first laser beam is in the first sensing, the minimum stroke length translated as optical axis using the first distance value or minimum row/column length, carry out line by line/column scan using second distance value as the range interval translated as optical axis or maximum row/column interval；More preferably, the optical axis sensing adjusting the first laser beam is allowed to be in the second sensing, the minimum stroke length translated as optical axis using the first distance value or minimum row/column length, carry out line by line/column scan using second distance value as the range interval translated as optical axis or maximum row/column interval；Or,

Adjust the optical axis of the first laser beam to point to and change laser beam at the incident angle of the first reflector reflecting surface and incidence point；Preferably, the light-emitting window making the first laser beam is positioned at the first exit positions, in the first plane/dimension, adjust the minimum tuning angular range of sensing as the optical axis of the first laser beam using the first angle value, using the second angle value as the optical axis of the first laser beam adjust in the second plane/dimension sensing maximum tuning angle interval carry out two-dimensions line by line/column scan；More preferably, the light-emitting window making the first laser beam is positioned at the second exit positions, in the first plane/dimension, adjust the minimum tuning angular range of sensing as the optical axis of the first laser beam using the first angle value, using the second angle value as the optical axis of the first laser beam adjust in the second plane/dimension sensing maximum tuning angle interval carry out two-dimensions line by line/column scan；More preferably, using the first stroke value as the minimum stroke length of the light-emitting window of the first laser beam or minimum row/column length, the range interval translated as light-emitting window using the second stroke value or maximum row/column interval, the maximum residence interval translated as light-emitting window using the first residence interval value, carry out light-emitting window obtaining one group of light-emitting window dwell point by row/column translation, described light-emitting window dwell point includes described first exit positions and the second exit positions, in light-emitting window dwell point, adjust the optical axis of the first laser beam to point to and change laser beam at the incident angle of the first reflector reflecting surface and incidence point；

Described first communication ends adjusts the first laser beam in a closed loop manner at the incident angle of the first reflector reflecting surface and/or incidence point, specifically includes following steps:

Obtain the emergent light of the first laser beam through the first reflector reflection relative to the second reflector or relative to the drop point relative position information of the second communication ends；Use described drop point relative position information, adjust the first laser beam in the incident angle of the first reflector reflecting surface and/or incidence point position, make the emergent light of the first laser beam of the first reflector reflection shift to the first neighborhood of the second reflector and/or the second communication ends；Or

Obtain the first light path detection light beam at the second reflection side and/or the irradiation area positional information of the second communication side, use this irradiation area positional information to adjust the optical axis of the first light path detection light beam in the incident angle of the first reflector reflecting surface and/or incidence point position, make the irradiation area of the first light path detection light beam of the first reflector reflection cover the reception passage Antenna aperture of the second reflector and/or the second communication ends；In the first light path detects the space angle that has of light beam, adjust the first laser beam in the incident angle of the first reflector reflecting surface and/or incidence point position, make the first laser beam be pointed into the reception passage Antenna aperture of the second reflector and/or the second communication ends in the way of scanning；

The described method of light-receiving passage making to enter the second communication ends through the emergent light of the first laser beam of the first reflector reflection, specifically includes following steps:

Corresponding to adjusting the first laser beam in an open-loop manner in the incident angle of the first reflector reflecting surface and/or the method for incidence point, first communication ends adjust the first laser beam at the incident angle and/or incidence point of the first reflector reflecting surface during receive, from the second communication ends, the indication signal that the emergent light of the first laser beam enters the light-receiving passage of the second communication ends, after receiving described indication signal, laser beam is kept currently relative to the incident angle of the first reflector and incidence point position or currently to carry out laser beam alignment and optimize relative to incident angle and the incidence point position of the first reflector based on laser beam；Described laser beam alignment optimizes and comprises the steps: to obtain with laser beam currently to the corresponding incident angle of the incident angle of the first reflector and incidence point position and/or incidence point position control parameter, on the basis of described incident angle and/or incidence point position control parameter, incident angle and/or incidence point position control parameter value are increased or decreased, corresponding to new incident angle and/or incidence point position control parameter value, obtain, from the second communication ends, the status indication information that laser beam enters the light-receiving passage of the second communication ends；A more excellent or optimum state is chosen from one group of status indication information, determining incident angle corresponding to the state more excellent or optimum with this and/or incidence point position control parameter value, the emergent light using this parameter value to realize the first laser beam enters the light-receiving passage of the second communication ends；

Corresponding to adjusting the first laser beam in a closed loop manner in the incident angle of the first reflector reflecting surface and/or the method for incidence point, comprise the steps:

Use the emergent light drop point relative position information relative to the second reflector of the first laser beam, or, use the emergent light drop point relative position information relative to the second communication ends of the first laser beam, adjust first laser beam incident angle to the first reflector and/or the control parameter value of incidence point position, make the drop point site of the emergent light of the first laser beam enter the first neighborhood of the second reflector and/or the second communication ends；Described first neighborhood includes the region that the distance of the optical indicia in the reception antenna aperture centre point with the second reflector reflecting surface central point/the second communication ends or the second reflector/the second communication ends is constituted less than the point of neighborhood distance threshold；

After the drop point site of the emergent light of the first laser beam is adjusted to the first neighborhood of the second reflector and/or the second communication ends, enter the light-receiving passage of the second communication ends by the direct emergent light guiding alignment or neighborhood interscan to realize the first laser beam in the way of being directed at；

Described direct guiding alignment includes following operating procedure:

Increase/reduce pointing to of the first laser beam and control parameter and/or the position control parameter value of the first laser beam light-emitting window, realize the first laser beam relative to the incident angle of the first reflector and/or the adjustment of incidence point position, and the drop point site reception antenna aperture centre point to the second reflector reflecting surface central point/the second communication ends of emergent light of the first laser beam or the distance to the optical indicia in the second reflector/the second communication ends are changed；

If the drop point site of the emergent light of the first laser beam reception antenna aperture centre point to the second reflector reflecting surface central point/the second communication ends or the distance to the optical indicia in the second reflector/the second communication ends become big, then reduce/increase pointing to of the first laser beam and control parameter and/or the position control parameter value of the first laser beam light-emitting window;If the drop point site of the emergent light of the first laser beam reception antenna aperture centre point to the second reflector reflecting surface central point/the second communication ends or the distance to the optical indicia in the second reflector/the second communication ends diminish, then continue to increase/reduce pointing to of the first laser beam and control parameter and/or the position control parameter value of the first laser beam light-emitting window;

After receiving the drop point site of emergent light of the first laser beam from the second communication ends and enter the indication signal of the second communication ends, pointing to of the first laser beam is kept to control parameter and/or the position control parameter value of the first laser beam light-emitting window or control the position control parameter value of parameter and/or the first laser beam light-emitting window based on current the pointing to of laser beam to carry out laser beam alignment and optimize；

Described neighborhood interscan alignment mode includes following operating procedure:

Determining the yardstick in two-dimensional scan region, this two-dimensional scan region comprises the second reflector reflecting surface center position or the second communication ends reception antenna aperture centre point position and least partially overlapped with described first neighborhood；

The yardstick using two-dimensional scan region determines the neighborhood two-dimensional scan span pointing to the position control parameter controlling parameter and/or the first laser beam light-emitting window of the first laser beam；

In neighborhood two-dimensional scan span, adjust pointing to of the first laser beam control parameter and/or the position control parameter of the first laser beam light-emitting window, to realize the scanning in described neighborhood on two-dimensional scan region of first laser beam；

The method of described first laser beam scanning on described two-dimensional scan region, comprises the steps:

The optical axis translating the first laser beam changes the laser beam incidence point at the first reflector reflecting surface；Preferably, the optical axis making the first laser beam is in the first sensing in neighborhood, first distance value translates as optical axis in neighborhood minimum stroke length or minimum row/column length, in neighborhood, second distance value is spaced carries out line by line/column scan as range interval translate as optical axis or maximum row/column；More preferably, the optical axis sensing adjusting the first laser beam is allowed to be in the second sensing in neighborhood, first distance value translates as optical axis in neighborhood minimum stroke length or minimum row/column length, in neighborhood, second distance value is spaced carries out line by line/column scan as range interval translate as optical axis or maximum row/column；Or

The optical axis adjusting the first laser beam points to change laser beam at the incident angle of the first reflector reflecting surface and incidence point；Preferably, the light-emitting window making the first laser beam is positioned at the first exit positions, in the first plane/dimension, adjust the minimum tuning angular range of sensing as the optical axis of the first laser beam using the first angle value, using the second angle value as the optical axis of the first laser beam adjust in the second plane/dimension sensing maximum tuning angle interval carry out two-dimensions line by line/column scan；More preferably, the light-emitting window making the first laser beam is positioned at the second exit positions, in the first plane/dimension, adjust the minimum tuning angular range of sensing as the optical axis of the first laser beam using the first angle value, using the second angle value as the optical axis of the first laser beam adjust in the second plane/dimension sensing maximum tuning angle interval carry out two-dimensions line by line/column scan；More preferably, in neighborhood, the first stroke value is as the minimum stroke length of the light-emitting window of the first laser beam or minimum row/column length, range interval or maximum row/column that in neighborhood, the second stroke value translates as light-emitting window are spaced, the maximum residence interval that in neighborhood first residence interval value translates as light-emitting window, carry out light-emitting window obtaining one group of light-emitting window dwell point by row/column translation, described light-emitting window dwell point includes described first exit positions and the second exit positions, in light-emitting window dwell point, adjust the optical axis of the first laser beam to point to and change laser beam at the incident angle of the first reflector reflecting surface and incidence point；

Preferably, the emergent light of the first laser beam that described acquisition is reflected through the first reflector, relative to the second reflector or the method for the drop point relative position information relative to the second communication ends, comprises the steps:

Imaging sensor is used to obtain the emergent light of described first laser beam come through its reflection light spot image in the second reflector/the second communication ends side and the image of the second reflector/the second communication ends from the first reflector in the first communication ends；And/or

Imaging sensor is used to obtain described first laser beam light spot image in the second reflector/the second communication ends side and the image of the second reflector/the second communication ends from the second reflector in the second communication ends；

First communication ends uses Image Acquisition the first laser beam drop point relative position information relative to the second reflector/the second communication ends of described light spot image and the second reflector/the second communication ends；And/or

Second communication ends uses Image Acquisition the first laser beam drop point relative position information relative to the second reflector/the second communication ends of described light spot image and the second reflector/the second communication ends, and sends that information to the first communication ends by radio interface；

Preferably, described acquisition the first light path detection light beam, in the second reflection side and/or the method for the irradiation area positional information of the second communication side, comprises the steps:

Imaging sensor is used to obtain the emergent light of the described first light path detection light beam come through its reflection light spot image in the second reflector/the second communication ends side and the image of the second reflector/the second communication ends from the first reflector in the first communication ends；And/or

Imaging sensor is used to obtain the described first light path detection light beam light spot image in the second reflector/the second communication ends side and the image of the second reflector/the second communication ends from the second reflection side in the second communication ends；Or, the second communication ends uses photodetector to be received the first light path detection light beam being irradiated to the second communication ends；

First communication ends uses Image Acquisition the first light path detection light beam drop point relative position information relative to the second reflector/the second communication ends of described light spot image and the second reflector/the second communication ends；And/or

Second communication ends uses Image Acquisition the first laser beam drop point relative position information relative to the second reflector/the second communication ends of described light spot image and the second reflector/the second communication ends, and sends that information to the first communication ends by radio interface；Or, after second communication ends photodetector in its side receives the first light path detection light beam, send the irradiation area position indication information of the first light path detection light beam to the first communication ends；

Preferably, described first communication ends adjusts the first laser beam in the incident angle of the first reflector reflecting surface and/or the method for incidence point with open loop or closed-loop fashion, comprises the steps:

Obtain the optical indicia positional information at the first reflector, use this optical indicia positional information determine the first laser beam/the first light path detection light beam to the incident angle of the first reflector and/or incidence point position, or use this optical indicia positional information to determine adjustment amount that the optical axis to the first laser beam/the first light path detection light beam points to and/or adjustment direction；And/or

Obtain the optical indicia positional information at the second reflector, use this optical indicia positional information determine the first laser beam/the first light path detection light beam to the incident angle of the second reflector and/or incidence point position, or use this optical indicia positional information to determine adjustment amount that the optical axis to the first laser beam/the first light path detection light beam points to and/or adjustment direction.

The method that the present embodiment is given, wherein,

Described first communication ends uses the method carrying out light path tracking from the light path alignment feedback information of the second communication ends, comprises the steps:

Using radio interface to obtain light path alignment feedback information from the second communication ends, described light path alignment feedback information includes at least one information following:

Use described light path alignment feedback information to adjust the light path alignment of the first laser beam to the second communication ends, specifically include at least one step in following steps A to C:

Step A, with predetermined angle, the angle value being incident to the optical axis of the first laser beam of the second communication ends light-receiving passage and the light-receiving passage key light between centers of the second communication ends is adjusted thresholding compare, if described angle value adjusts thresholding less than predetermined angle, described angle is not adjusted；If described angle value adjusts thresholding more than angle, then adjust pointing to of the first laser beam and control parameter and/or the position control parameter of the first laser beam light-emitting window, make described angle value adjust thresholding less than angle；Preferably, adjusting pointing to of the first laser beam and control parameter and/or the position control parameter of the first laser beam light-emitting window, make described angle value keep thresholding less than angle, described angle keeps thresholding to adjust thresholding less than angle；Or

The direct angle adjustment direction using the second communication ends to send and adjustment amount data, adjust pointing to of the first laser beam and control parameter and/or the position control parameter of the first laser beam light-emitting window, terminate the instruction information of adjustment or send described angle value having kept the instruction information of thresholding less than angle until the second communication ends is sent；

Step B, with predetermined hot spot distance, the distance value being incident to the first laser beam of the second communication ends light-receiving passage hot spot on the light-receiving passage object lens of the second communication ends and deviateing this light-receiving passage primary optical axis is adjusted thresholding compare, if described distance value adjusts thresholding less than predetermined hot spot distance, described distance is not adjusted；If described distance value adjusts thresholding more than described hot spot distance, then adjust pointing to of the first laser beam and control parameter and/or the position control parameter of the first laser beam light-emitting window, make described distance value adjust thresholding less than described hot spot distance；Preferably, adjust pointing to of the first laser beam and control parameter and/or the position control parameter of the first laser beam light-emitting window, make described distance value keep thresholding, described hot spot distance to keep thresholding to adjust thresholding less than described hot spot distance less than hot spot distance；Or

The direct facula position adjustment direction using the second communication ends to send and/or adjustment amount data, adjust pointing to of the first laser beam and control parameter and/or the position control parameter of the first laser beam light-emitting window, terminate the instruction information of adjustment or send described distance value having kept the instruction information of thresholding less than distance until the second communication ends is sent；

Step C, adjust thresholding with the skew of predetermined imaging surface compare being incident to the first laser beam of the second communication ends light-receiving passage side-play amount on the light-receiving passage imaging surface of the second communication ends, if described side-play amount adjusts thresholding less than predetermined imaging surface skew, described side-play amount is not adjusted；If described side-play amount adjusts thresholding more than the skew of described imaging surface, then adjust pointing to of the first laser beam and control parameter and/or the position control parameter of the first laser beam light-emitting window, make described side-play amount adjust thresholding less than the skew of described imaging surface；Preferably, adjust pointing to of the first laser beam and control parameter and/or the position control parameter of the first laser beam light-emitting window, make described side-play amount keep thresholding, the skew of described imaging surface to keep thresholding to adjust thresholding less than the skew of described image planes less than imaging surface skew；Or

Side-play amount adjustment direction on the direct imaging surface using the second communication ends to send and/or adjustment amount data, adjust pointing to of the first laser beam and control parameter and/or the position control parameter of the first laser beam light-emitting window, terminate the instruction information of adjustment or send described side-play amount having kept the instruction information of thresholding less than imaging surface skew until the second communication ends is sent.

The method that the present embodiment is given, wherein,

The optical axis of described translation the first laser beam, is realized by mobile light source light-emitting window position, or is realized by the mobile position to the reflecting optics that a laser beam reflects；

The optical axis of described adjustment the first laser beam points to, and is realized by least one in adjusting light source light-emitting window normal direction, the optical axis adjusting the lens that the first laser beam carries out refraction tuning and the relative position of the first laser beam optical axis and adjusting the angle of the reflecting optics to the first laser beam reflection；

The sensing of described first laser beam controls parameter, including controlling the current/voltage parameter of light source light-emitting window normal direction, controlling to carry out the first laser beam reflecting the optical axis of the lens of tuning and the current/voltage parameter of the relative position of the first laser beam optical axis, and control one or more in the current/voltage parameter of the angle to the reflecting optics that the first laser beam reflects；

The position control parameter of described first laser beam light-emitting window, including the current/voltage parameter of control light source light-emitting window position, or the current/voltage parameter that control is to the angle of the reflecting optics of the first laser beam reflection；

Preferably, the combination using optical vibrating mirror or optics shake mirror and motor-driven straight-line displacement realizes the translation of the optical axis of the first laser beam.

The method that the present embodiment is given, wherein,

Described first communication ends adjusts the first laser beam in the incident angle of the first reflector reflecting surface and/or the method for incidence point with open loop or closed-loop fashion, farther includes following steps:

Adjust the first laser beam/the first light path detection light beam to the incident angle of the first reflector and/or incidence point position during, record pointing to of corresponding first laser beam and control parameter and/or the position control parameter of the first laser beam light-emitting window；

Preferably, when record enters light path alignment, pointing to of the first laser beam controls parameter and/or the position control parameter of the first laser beam light-emitting window；

It is highly preferred that pointing to of the first laser beam controls parameter and/or the position control parameter of the first laser beam light-emitting window when record enters light path alignment, and use it for the reconstruction of light path.

Embodiment 2, a kind of wireless light beam reflected alignment method of reseptance is illustrated

Wireless light beam reflected alignment method of reseptance embodiment shown in Figure 2, that the present invention provides, comprises the steps:

Step S210, the first laser beam or the first light path that the second communication ends receives through the first reflector or the first reflector with the reflection of the second reflector detect light beam；Or, the second communication ends detects light beam and is monitored on the second reflection side or the facula position in the second communication side described first laser beam or the first light path；Described first light path detection light beam is the laser beam expanded or non-laser light beam；

Step S220, receive after the emergent light of the first laser beam of the first reflector reflection enters the signal of light-receiving passage of the second communication ends in the second communication ends, sending light path alignment feedback information to the first communication ends, this light path alignment feedback information is followed the tracks of for light path；Or, the first laser beam or the first light path detection light beam is monitored on the second reflection side or after the facula position of the second communication side in the second communication ends, sending hot spot/beam irradiation area positional information to the first communication ends, this hot spot/beam irradiation area positional information is used for light path alignment guidance；

Wherein,

The method that the present embodiment is given, is additionally included in the method for at least one that the second communication ends arranges in optical indicia, photodetector and photoelectric imaging sensor, wherein,

The described method arranging optical indicia, comprises the steps:

Arranging shape and yardstick is known optical indicia in the second communication ends, this optical indicia is passive or active, carries out location estimation and light path alignment guidance for the first laser beam or the first light path detect the hot spot/beam irradiation area of light beam；

The described method arranging photodetector, comprises the steps:

In the adjacent area of the Antenna aperture of the optics reception passage of the second communication ends, arranging at least one photodetector, this photodetector carries out location estimation and light path alignment guidance for hot spot/beam irradiation area that the first laser beam or the first light path detect light beam；

The described method arranging photoelectric imaging sensor, comprises the steps:

In the optics of the second communication ends receives passage or outside optics reception passage, arranging at least one photoelectric imaging sensor, this photoelectric imaging sensor carries out location estimation and light path alignment guidance for the first laser beam or the first light path detect light beam in the hot spot/beam irradiation area on the second reflection side or the second communication side.

Embodiment 3, a kind of wireless light beam reflected alignment discharger is illustrated

Wireless light beam reflected alignment discharger embodiment shown in Figure 3, that the present invention provides, described wireless light beam reflected alignment discharger 300 includes:

First beam emissions module 310, incident angle and/or incidence point adjusting module 320, light path alignment feedback information receiver module 330；Alternatively, including hot spot/beam irradiation area positional information receiver module 340, wherein,

Described first beam emissions module 310, for sending the first laser beam 311 and/or the first light path detection light beam (being shown without the first light path detection light beam in Fig. 3) to the first reflector 350, described first light path detection light beam is the laser beam expanded or non-laser light beam, detects beam emissions parts including the first radiating laser beams parts and/or the first light path；

Described incident angle and/or incidence point adjusting module 320, for adjusting the first laser beam 311 and/or the first light path detection light beam at the incident angle of the first reflector 350 reflecting surface and/or incidence point with open loop or closed-loop fashion, make to enter the light-receiving passage of the second communication ends through the emergent light of the first laser beam 311 of the first reflector 350 reflection, detect beam optical axis including the first laser beam and/or the first light path and point to adjusting module, and/or the first laser beam and/or the first light path detect light beam light-emitting window position adjusting type modules；

Light path alignment feedback information receiver module 330, for obtaining the first laser beam 311 and the second communication ends light-receiving interchannel light path alignment information, this light path alignment information is followed the tracks of for the light path between the first communication ends and the second communication ends, including the first radio reception channel module and the first radio-antenna modules；

Described hot spot/beam irradiation area positional information receiver module 340, carries out alignment guidance to the first laser beam 311, including the second radio reception channel module and the second radio-antenna modules under closed loop alignment pattern.

The device that the present embodiment is given, wherein,

Described incident angle and/or incidence point adjusting module 320, be used for performing at least one operation following:

Adjust the first laser beam 311 in an open-loop manner in the incident angle of the first reflector 350 reflecting surface and/or the operation of incidence point, specifically include following steps:

The optical axis translating the first laser beam changes the laser beam incidence point at the first reflector 350 reflecting surface；Preferably, the optical axis making the first laser beam 311 is in the first sensing 311a, the minimum stroke length translated as optical axis using the first distance value or minimum row/column length, carry out line by line/column scan using second distance value as the range interval translated as optical axis or maximum row/column interval；More preferably, the optical axis sensing adjusting the first laser beam is allowed to be in the second sensing, the minimum stroke length translated as optical axis using the first distance value or minimum row/column length, carry out line by line/column scan using second distance value as the range interval translated as optical axis or maximum row/column interval；Or,

Adjust the optical axis of the first laser beam 311 to point to and change laser beam at the incident angle of the first reflector reflecting surface and incidence point；Preferably, the light-emitting window making the first laser beam 311 is positioned at the first exit positions, in the first plane/dimension, adjust the minimum tuning angular range of sensing as the optical axis of the first laser beam using the first angle value, using the second angle value as the optical axis of the first laser beam adjust in the second plane/dimension sensing maximum tuning angle interval carry out two-dimensions line by line/column scan；More preferably, the light-emitting window making the first laser beam 311 is positioned at the second exit positions, in the first plane/dimension, adjust the minimum tuning angular range of sensing as the optical axis of the first laser beam using the first angle value, using the second angle value as the optical axis of the first laser beam adjust in the second plane/dimension sensing maximum tuning angle interval carry out two-dimensions line by line/column scan；More preferably, using the first stroke value as the minimum stroke length of the light-emitting window of the first laser beam or minimum row/column length, the range interval translated as light-emitting window using the second stroke value or maximum row/column interval, the maximum residence interval translated as light-emitting window using the first residence interval value, carry out light-emitting window obtaining one group of light-emitting window dwell point by row/column translation, described light-emitting window dwell point includes described first exit positions and the second exit positions, in light-emitting window dwell point, adjust the optical axis of the first laser beam to point to and change laser beam at the incident angle of the first reflector reflecting surface and incidence point；

Adjust the first laser beam in a closed loop manner in the incident angle of the first reflector reflecting surface and/or the operation of incidence point, specifically include following steps:

Hot spot/beam irradiation area positional information receiver module 340 is used to obtain the emergent light of the first laser beam through the first reflector 350 reflection relative to the second reflector or relative to the drop point relative position information of the second communication ends；Use described drop point relative position information, adjust the first laser beam in the incident angle of the first reflector reflecting surface and/or incidence point position, make the emergent light of the first laser beam of the first reflector reflection shift to the first neighborhood of the second reflector and/or the second communication ends；Or

Hot spot/beam irradiation area positional information receiver module 340 is used to obtain the first light path detection light beam at the second reflection side and/or the irradiation area positional information of the second communication side, use this irradiation area positional information to adjust the optical axis of the first light path detection light beam in the incident angle of the first reflector reflecting surface and/or incidence point position, make the irradiation area of the first light path detection light beam of the first reflector reflection cover the reception passage Antenna aperture of the second reflector and/or the second communication ends；In the first light path detects the space angle that has of light beam, adjust the first laser beam in the incident angle of the first reflector reflecting surface and/or incidence point position, make the first laser beam be pointed into the reception passage Antenna aperture of the second reflector and/or the second communication ends in the way of scanning；Preferably, described first laser beam that adjusts in the first light path detects the space angle that has of light beam is in the incident angle of the first reflector reflecting surface and/or incidence point position, and when being to cover the second reflector and/or the second communication ends with the first light path detection light beam, optical axis during the first light path detection light beam light-emitting window is oriented to reference；Shown in Figure 3, wherein, radio interface 341 obtains, by hot spot/beam irradiation area positional information receiver module 340, the interface that the first light path detection light beam irradiation area positional information on the second reflection side and/or the second communication side is used；

Make to enter through the emergent light of the first laser beam 311 of the first reflector 350 reflection the operation of light-receiving passage of the second communication ends, specifically include following steps:

Hot spot/beam irradiation area positional information receiver module 340 is used to obtain the emergent light drop point relative position information relative to the second reflector of the first laser beam, or, hot spot/beam irradiation area positional information receiver module 340 is used to obtain the emergent light drop point relative position information relative to the second communication ends of the first laser beam, adjust first laser beam incident angle to the first reflector and/or the control parameter value of incidence point position, make the drop point site of the emergent light of the first laser beam enter the first neighborhood of the second reflector and/or the second communication ends；Described first neighborhood includes the region that the distance of the optical indicia in the reception antenna aperture centre point with the second reflector reflecting surface central point/the second communication ends or the second reflector/the second communication ends is constituted less than the point of neighborhood distance threshold；

Described direct guiding alignment includes following operating procedure:

Described light path alignment feedback information receiver module 330, for obtaining from the light path alignment feedback information of the second communication ends, described light path alignment feedback information includes at least one information following:

Described light path alignment feedback information receiver module 330 uses radio interface 331 receiving light path alignment feedback information；

Preferably, light path alignment feedback information receiver module 330 and hot spot/beam irradiation area positional information receiver module 340 share radio-frequency channel and Anneta module；

Embodiment 4, a kind of wireless light beam reflected alignment receives device citing

Shown in Figure 4, the wireless light beam reflected alignment that the present invention provides receives the embodiment of device 400, including:

Beam reception module 410, light path alignment information acquisition module 420, light path alignment information sending module 430；Alternatively, including hot spot/beam irradiation area position sensing module 460, hot spot/beam irradiation area positional information sending module 440；Wherein,

Described beam reception module 410, detects light beam, including photoelectric detector in light-receiving passage for receiving the first laser beam 311 or the first light path through the first reflector 350 or the first reflector 350 with the reflection of the second reflector 450；

Described light path alignment information acquisition module 420, for obtaining the first laser beam and the second communication ends light-receiving interchannel alignment information, specifically, for obtaining the reception interchannel light path alignment information of the first laser beam 311 and beam reception module 410, including the first laser beam 311 angle of incidence judge module, the first laser beam spot location identification module and at least one in the drop point site judge module of imaging surface of the first laser beam 311；

Described light path alignment information sending module 430, for sending light path alignment feedback information to the first communication ends, including the first radio sendaisle parts and antenna element；Described first radio sendaisle parts and antenna element send radio signal or air interface signals 331；

Described hot spot/beam irradiation area position sensing module 460, is monitored, including photodetector and/or photoelectric imaging sensor on the second reflection side or the facula position in the second communication side for described first laser beam or the first light path detect light beam；Described first light path detection light beam is the laser beam expanded or non-laser light beam；Wherein, described photodetector is laid in the adjacent area of the Antenna aperture of the optics reception passage of the second communication ends, arranging at least one photodetector, this photodetector carries out location estimation and light path alignment guidance for hot spot/beam irradiation area that the first laser beam or the first light path detect light beam；In described photoelectric imaging sensor is laid in the optics reception passage of the second communication ends or outside optics reception passage, this photoelectric imaging sensor carries out location estimation and light path alignment guidance for the first laser beam or the first light path detect light beam in the second hot spot/beam irradiation area reflecting side or the second communication side.

Described hot spot/beam irradiation area positional information sending module 440, for sending hot spot/beam irradiation area positional information to the first communication ends, including the second radio sendaisle parts and antenna element；Described second radio sendaisle parts and antenna element send radio signal or air interface signals 341；

Wherein,

The device that the present embodiment is given, the first laser beam 311a with primary optic axis direction is monitored by described hot spot/beam irradiation area position sensing module 460 at the facula position of the second communication ends, and uses hot spot/beam irradiation area positional information sending module 440 to send the facula position information of the first laser beam 311a with primary optic axis direction to the first communication ends；First communication device receives the facula position information of the first laser beam 311a by hot spot/beam irradiation area positional information receiver module 330, and using this information that the optical axis sensing of the first laser video 311a is adjusted, the optics feeding them into beam reception module 410 receives passage.

The device that the present embodiment is given, it is additionally included in the optical indicia module (diagram of the optical indicia not provided in the present embodiment) that the second communication ends is arranged, this module includes that shape and yardstick are known optical indicia, this optical indicia is passive or active cell, carries out location estimation and light path alignment guidance for the first laser beam or the first light path detect the hot spot/beam irradiation area of light beam.

Embodiment 5, a kind of wireless light beam reflected alignment system is illustrated

See shown in Fig. 3 and Fig. 4, the wireless light beam reflected alignment system embodiment that the present invention provides, including:

Wireless light beam reflected alignment discharger 300 and wireless light beam reflected alignment receive device 400, also include one or more reflector module 350/350;

Described reflector module 350/350 includes reflective surface element；

First laser beam 311 is sent to wireless light beam reflected alignment reception device 400 by described wireless light beam reflected alignment discharger 300 by reflector module 350；

Preferably, it is known optical indicia that described reflector module 350/350 comprises at least one yardstick, and described optical indicia is used for determining position and/or the angle of reflective surface element reflecting surface.

The wireless light beam reflected alignment method that the embodiment of the present invention provides, can be realized by software instruction and/or hardware circuit in whole or in part；The wireless light beam reflected alignment device that the embodiment of the present invention provides can use electronic technology, photoelectric technology and electromechanical servo technology to realize in whole or in part.

The above, the simply preferred embodiment of the present invention, not it is used for limiting protection scope of the present invention.

Claims

1. a wireless light beam reflected alignment launching technique, comprises the steps:

The most the method for claim 1, wherein

Described direct guiding alignment includes following operating procedure:

The most the method for claim 1, wherein

4. a wireless light beam reflected alignment method of reseptance, comprises the steps:

Wherein,

Described first reflector has any one reflective surface in plane, cambered surface and sphere；

5. method as claimed in claim 4, is additionally included in the method for at least one that the second communication ends arranges in optical indicia, photodetector and photoelectric imaging sensor, wherein,

The described method arranging optical indicia, comprises the steps:

The described method arranging photodetector, comprises the steps:

6. a wireless light beam reflected alignment discharger, including:

7. device as claimed in claim 6, wherein,

Described incident angle and/or incidence point adjusting module, be used for performing at least one operation following:

Adjust the first laser beam in an open-loop manner in the incident angle of the first reflector reflecting surface and/or the operation of incidence point, specifically include following steps:

Hot spot/beam irradiation area positional information receiver module is used to obtain the emergent light of the first laser beam through the first reflector reflection relative to the second reflector or relative to the drop point relative position information of the second communication ends；Use described drop point relative position information, adjust the first laser beam in the incident angle of the first reflector reflecting surface and/or incidence point position, make the emergent light of the first laser beam of the first reflector reflection shift to the first neighborhood of the second reflector and/or the second communication ends；Or

Hot spot/beam irradiation area positional information receiver module is used to obtain the first light path detection light beam at the second reflection side and/or the irradiation area positional information of the second communication side, use this irradiation area positional information to adjust the optical axis of the first light path detection light beam in the incident angle of the first reflector reflecting surface and/or incidence point position, make the irradiation area of the first light path detection light beam of the first reflector reflection cover the reception passage Antenna aperture of the second reflector and/or the second communication ends；In the first light path detects the space angle that has of light beam, adjust the first laser beam in the incident angle of the first reflector reflecting surface and/or incidence point position, make the first laser beam be pointed into the reception passage Antenna aperture of the second reflector and/or the second communication ends in the way of scanning；

Make to enter through the emergent light of the first laser beam of the first reflector reflection the operation of light-receiving passage of the second communication ends, specifically include following steps:

Hot spot/beam irradiation area positional information receiver module is used to obtain the emergent light drop point relative position information relative to the second reflector of the first laser beam, or, hot spot/beam irradiation area positional information receiver module is used to obtain the emergent light drop point relative position information relative to the second communication ends of the first laser beam, adjust first laser beam incident angle to the first reflector and/or the control parameter value of incidence point position, make the drop point site of the emergent light of the first laser beam enter the first neighborhood of the second reflector and/or the second communication ends；Described first neighborhood includes the region that the distance of the optical indicia in the reception antenna aperture centre point with the second reflector reflecting surface central point/the second communication ends or the second reflector/the second communication ends is constituted less than the point of neighborhood distance threshold；

Described direct guiding alignment includes following operating procedure:

Obtain the optical indicia positional information at the second reflector, use this optical indicia positional information determine the first laser beam/the first light path detection light beam to the incident angle of the second reflector and/or incidence point position, or use this optical indicia positional information to determine adjustment amount that the optical axis to the first laser beam/the first light path detection light beam points to and/or adjustment direction；

Described light path alignment feedback information receiver module, for obtaining from the light path alignment feedback information of the second communication ends, described light path alignment feedback information includes at least one information following:

8. wireless light beam reflected alignment receives a device, including:

Described hot spot/beam irradiation area position sensing module, is monitored, including photodetector and/or photoelectric imaging sensor on the second reflection side or the facula position in the second communication side for described first laser beam or the first light path detect light beam；Described first light path detection light beam is the laser beam expanded or non-laser light beam；Wherein, described photodetector is laid in the adjacent area of the Antenna aperture of the optics reception passage of the second communication ends, arranging at least one photodetector, this photodetector carries out location estimation and light path alignment guidance for hot spot/beam irradiation area that the first laser beam or the first light path detect light beam；In described photoelectric imaging sensor is laid in the optics reception passage of the second communication ends or outside optics reception passage, this photoelectric imaging sensor carries out location estimation and light path alignment guidance for the first laser beam or the first light path detect light beam in the second hot spot/beam irradiation area reflecting side or the second communication side；

Wherein,

9. require the device described in 8 according to profit, it is additionally included in the optical indicia module that the second communication ends is arranged, this module includes that shape and yardstick are known optical indicia, this optical indicia is passive or active cell, carries out location estimation and light path alignment guidance for the first laser beam or the first light path detect the hot spot/beam irradiation area of light beam.

10. a wireless light beam reflected alignment system, receives device based on the wireless light beam reflected alignment described in the wireless light beam reflected alignment discharger and 8 described in claim 6, also includes one or more reflector module;

Described reflector module includes reflective surface element；