CN109257095A - The transmission method and device of Communication ray - Google Patents
The transmission method and device of Communication ray Download PDFInfo
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- CN109257095A CN109257095A CN201811276763.3A CN201811276763A CN109257095A CN 109257095 A CN109257095 A CN 109257095A CN 201811276763 A CN201811276763 A CN 201811276763A CN 109257095 A CN109257095 A CN 109257095A
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- laser beam
- polarization
- sent
- lens assembly
- module
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/11—Arrangements specific to free-space transmission, i.e. transmission through air or vacuum
- H04B10/118—Arrangements specific to free-space transmission, i.e. transmission through air or vacuum specially adapted for satellite communication
Abstract
The embodiment of the invention discloses a kind of transmission method of Communication ray and devices, it is related to field of aerospace technology, main purpose is that the field range for solving received laser beam is larger, and received invalid laser beam is more, the problem for causing the communication service provided unstable.Main technical schemes of the invention include: to be filtered by filtration module to the laser beam received, obtain the laser beam of target wave band；The laser beam of the target wave band is collected, and the laser beam after collecting is transmitted to lens assembly, so that the lens assembly adjusts shooting angle of the laser beam from the lens assembly.
Description
Technical field
The present embodiments relate to field of aerospace technology, more particularly to the transmission method and dress of a kind of Communication ray
It sets.
Background technique
Along with the rapid development of aeronautical and space technology, aircraft has become a kind of commonplace vehicles, in order to
The flight experience of passenger is improved, has been allowed in aircraft flight using mobile phone, it is also increasing to the requirement of communication as a result,
Many airlines provide communication service for passenger to promote service quality, attract more passengers at present, such as: it is artificial to defend
The use of star can provide communication service for passenger, to increase the recreation of passenger, eliminate the uninteresting of journey.
Currently, satellite borne equipment provides communication service by receiving transmitting laser.Inventor in the specific implementation process, sends out
The field range that received laser beam now exists in the prior art is larger, and received invalid laser beam is more, causes to provide logical
Telecommunications services are unstable, reduce user experience.
Summary of the invention
In view of this, main purpose is to solve the embodiment of the invention provides a kind of transmission method of Communication ray and device
The field range of certainly received laser beam is larger, and received invalid laser beam is more, causes the communication service provided unstable
Problem.
To solve the above-mentioned problems, the embodiment of the present invention mainly provides the following technical solutions:
In a first aspect, the embodiment of the invention provides a kind of transmission methods of Communication ray, this method comprises:
The laser beam received is filtered by filtration module, obtains the laser beam of target wave band；
The laser beam of the target wave band is collected, and the laser beam after collecting is transmitted to lens assembly, so as to
The lens assembly adjusts shooting angle of the laser beam from the lens assembly.
Optionally, the laser beam to the target wave band collect include:
It is collected based on laser beam of the beam-expanding system to target wave band.
Optionally, the method also includes:
The shooting angle of the laser beam is adjusted according to default swing angle by the lens assembly；
The laser beam adjusted is sent to photoelectric converter, after calculating the adjustment so as to the photoelectric converter
Laser beam coordinate information；
The coordinate information that the photoelectric converter is sent is received, and is incident to according to coordinate information judgement described
Whether the difference between the laser beam and optical axis of photoelectric converter is less than default error threshold；
If it is determined that be more than or equal to the default error threshold, then based on the received the coordinate information continue adjustment from
The shooting angle of the lens assembly shoot laser beam, until between the laser beam and optical axis for being incident to the photoelectric converter
Until difference is less than default error threshold.
Optionally, before the laser beam adjusted is sent to photoelectric converter, the method also includes:
The laser beam adjusted is sent to the first wave plate module, so that the wave plate module will be described adjusted
Circularly polarized laser beam is converted to linearly polarized laser beam；
The linearly polarized laser beam of conversion is sent to polarization spectro module, so that the polarization spectro module penetrates P polarization
Laser beam, and the P polarization laser beam is sent to spectral module, so that the spectral module reflects laser beam adjusted
To the photoelectric converter.
Optionally, before the laser beam after collecting is transmitted to lens assembly, the method also includes:
The laser beam of target wave band is transmitted to the second wave plate module, so that the second wave plate module is by the target wave
The laser beam of section is converted to S-polarization laser beam by circularly polarized laser beam, and the linearly polarized laser beam is sent to described expand
System；
The laser beam transmitted from the beam-expanding system is received by the polarization spectro module, and reflects S-polarization laser beam extremely
The first wave plate module, so that S-polarization laser beam is converted to circularly polarized laser beam by the first wave plate module；
The circularly polarized laser beam is sent to the lens assembly by the first wave plate module.
Optionally, the target wave band is 1064 nanometers；
It is described collect after lasing beam diameter be 4 millimeters.
Second aspect, the embodiment of the present invention also provide a kind of transmitting device of Communication ray, which includes:
Filter element obtains the laser beam of target wave band for being filtered by filtration module to the laser beam received；
Unit is collected, the laser beam of the target wave band for obtaining to the filter element collects；
First transmission unit, for collecting the laser beam after unit collects by described and being transmitted to lens assembly, so as to described
Lens assembly adjusts shooting angle of the laser beam from the lens assembly.
Optionally, described to collect unit, it is also used to collect based on laser beam of the beam-expanding system to target wave band.
Optionally, described device further include:
Adjustment unit, for adjusting the shooting angle of the laser beam according to default swing angle；
First transmission unit, for adjustment unit laser beam adjusted to be sent to photoelectric converter, with toilet
State the coordinate information that photoelectric converter calculates the laser beam adjusted；
Receiving unit, the coordinate information sent for receiving the photoelectric converter；
Judging unit, the coordinate information judgement for being received according to the receiving unit are incident to the photoelectricity and turn
Whether the difference between the laser beam and optical axis of parallel operation is less than default error threshold；
First processing units are used for when the judging unit determines and is more than or equal to the default error threshold, root
Continue to adjust the shooting angle from the lens assembly shoot laser beam according to the received coordinate information, it is described until being incident to
Until difference between the laser beam and optical axis of photoelectric converter is less than default error threshold.
Optionally, described device further include:
Second transmission unit, for the laser beam adjusted to be sent to photoelectric conversion in first transmission unit
Before device, the laser beam adjusted is sent to wave plate module, so that the wave plate module is inclined by the circle adjusted
Vibration laser beam is converted to P polarization laser beam；
Third transmission unit, for the P polarization laser beam of conversion to be sent to polarization spectro module, so as to the polarization point
Optical module penetrates P polarization laser beam, and the P polarization laser beam is sent to spectral module, so that the spectral module will be adjusted
Laser beam after whole reflexes to the photoelectric converter.
Optionally, described device further include:
Second transmission unit, for first transmission unit by the laser beam after collecting be transmitted to lens assembly it
Before, the laser beam of target wave band is transmitted to the second wave plate module, so that the second wave plate module is by the target wave band
Laser beam is converted to S-polarization laser beam by circularly polarized laser beam, and the linearly polarized laser beam is sent to the beam-expanding system；
The second processing unit, for receiving the S-polarization laser transmitted from the beam-expanding system by the polarization spectro module
Beam, and reflect S-polarization laser beam to the first wave plate module, so that the first wave plate module is by the S-polarization laser beam
Be converted to circularly polarized laser beam；
4th transmission unit, for the circularly polarized laser beam to be sent to the lens group by the first wave plate module
Part.
Optionally, the target wave band is 1064 nanometers；
It is described collect after lasing beam diameter be 4 millimeters.
The third aspect, the embodiment of the present invention also provide a kind of electronic equipment, comprising:
At least one processor；
And at least one processor, the bus being connected to the processor；Wherein,
The processor, memory complete mutual communication by the bus；
The processor is used to call the program instruction in the memory, to execute described in any one of first aspect
The transmission method of Communication ray.
Fourth aspect, the embodiment of the present invention also provide a kind of non-transient computer readable storage medium, the non-transient meter
Calculation machine readable storage medium storing program for executing stores computer instruction, and the computer instruction makes the computer execute any one of first aspect
The transmission method of the Communication ray.
By above-mentioned technical proposal, technical solution provided in an embodiment of the present invention is at least had the advantage that
The transmission method and device of Communication ray provided in an embodiment of the present invention, by filtration module to the laser beam received into
Row filtering, obtains the laser beam of target wave band；The laser beam of the target wave band is collected, and by the laser beam after collecting
It is transmitted to lens assembly, so that the lens assembly adjusts shooting angle of the laser beam from the lens assembly.With the prior art
In received laser beam field range it is larger, received invalid laser beam is more, cause provide the unstable phase of communication service
Than invention increases wave band of the filtration module to laser beam to be filtered, and increases outgoing of the lens assembly to laser beam
Angle is adjusted, and is increased and is received effective laser beam, improves the stability of communication service.
Above description is only the general introduction of technical solution of the embodiment of the present invention, in order to better understand the embodiment of the present invention
Technological means, and can be implemented in accordance with the contents of the specification, and in order to allow above and other mesh of the embodiment of the present invention
, feature and advantage can be more clearly understood, the special specific embodiment for lifting the embodiment of the present invention below.
Detailed description of the invention
By reading the following detailed description of the preferred embodiment, various other advantages and benefits are common for this field
Technical staff will become clear.The drawings are only for the purpose of illustrating a preferred embodiment, and is not considered as to the present invention
The limitation of embodiment.And throughout the drawings, the same reference numbers will be used to refer to the same parts.In the accompanying drawings:
Fig. 1 shows a kind of transmission method flow chart of Communication ray provided in an embodiment of the present invention；
Fig. 2 shows the transmission method flow charts of another Communication ray provided in an embodiment of the present invention；
Fig. 3 shows a kind of transmission composition block diagram for Communication ray that embodiment disclosed by the invention provides；
Fig. 4 shows the transmission composition block diagram for another Communication ray that embodiment disclosed by the invention provides；
Fig. 5 shows the block schematic illustration for a kind of electronic equipment that embodiment disclosed by the invention provides.
Specific embodiment
Exemplary embodiments of the present disclosure are described in more detail below with reference to accompanying drawings.Although showing the disclosure in attached drawing
Exemplary embodiment, it being understood, however, that may be realized in various forms the disclosure without should be by embodiments set forth here
It is limited.On the contrary, these embodiments are provided to facilitate a more thoroughly understanding of the present invention, and can be by the scope of the present disclosure
It is fully disclosed to those skilled in the art.
Embodiment disclosed by the invention provides a kind of transmission method of Communication ray, and main purpose is to solve received laser
The field range of beam is larger, and received invalid laser beam is more, the problem for causing the communication service provided unstable.In order to solve
The above problem, embodiment disclosed by the invention provide a kind of transmission method of Communication ray, as shown in Figure 1, which comprises
101, the laser beam received is filtered by filtration module, obtains the laser beam of target wave band.
In practical applications, satellite described in embodiment disclosed by the invention is communications satellite, is mainly used for flying for space
Row carrier provides communication service, exemplary, such as television broadcasting, data transmission, meteorology, tool of the embodiment of the present invention to satellite
Without limitation, the space flight carrier may include but is not limited to the following contents body purposes, such as: aircraft, rocket etc.
Deng.
The wavelength band of laser beam is very big, and in embodiment disclosed by the invention, the transmission of Communication ray is narrow bandwidth, needs
Wave band is filtered to obtain the laser beam of specific band, the target wave band needed for embodiment disclosed by the invention is 1064
Nanometer.
102, the laser beam of the target wave band is collected, and the laser beam after collecting is transmitted to lens assembly,
So that the lens assembly adjusts shooting angle of the laser beam from the lens assembly.
In embodiment disclosed by the invention, need to collect received laser beam to reduce Communication ray laser beam
Diameter, and the laser beam after collecting is sent to lens assembly.
The Communication ray that the receiving module of satellite can only receive specific field of view angle completes signal transmission, the received specific view of institute
It can be configured, but setting value is not easy excessive, can be set to 40 microradians (40 μ in embodiment disclosed by the invention
Rad), the incident angle for only receiving laser beam, which is less than set specific visual field, could provide more stable communication service.Due to
The relative position of space flight carrier and satellite is not fixed or laser beam can have variation in transmitting transmission process, and
Receive default field of view of receiver angle influence, spaceborne lens assembly institute received laser beam largely can exist centainly enter
Firing angle degree, communication optical transmission system is being sent to receiving module after needing to be adjusted laser beam, to be embodied as space flight
Carrier provides stable communication service.The method of the adjustment laser beam exits angle may include but not limit to following manner:
Lens assembly is added, lens assembly can be with the laser beam of reflection receivable, using the laser beam by lens assembly reflection as communication
Light realizes the shooting angle etc. of adjustment laser beam, implementation disclosed by the invention by the real-time swing angle position of lens assembly
Example to change laser beam exits angle method without limitation.
The transmission method of Communication ray provided in an embodiment of the present invention carried out the laser beam received by filtration module
Filter, obtains the laser beam of target wave band；The laser beam of the target wave band is collected, and the laser beam transmission after collecting
To lens assembly, so that the lens assembly adjusts shooting angle of the laser beam from the lens assembly.With connect in the prior art
The field range of the laser beam of receipts is larger, and received invalid laser beam is more, causes the communication service provided is unstable to compare, this
Invention increases filtration module and is filtered to the wave band of laser beam, and increase lens assembly to the shooting angle of laser beam into
Row adjustment, increases and receives effective laser beam, improve the stability of communication service.
As the refinement and extension to above-described embodiment, in embodiment disclosed by the invention, laser beam is being through expanding
Before system expands, it need to be changed polarization state through wave plate module, the laser beam after change polarization state is sent to polarization spectro mould
Block is with reflected P polarized light to beam-expanding system, and the laser beam after beam-expanding system collects is sent to the second wave plate module, so as to second
S-polarization laser beam is converted to circularly polarized light and is sent to lens assembly by wave plate module, and laser beam is sent to light by lens assembly
Electric transducer is realized and is tracked to laser beam essence, and the accurate adjustment to the shooting angle of laser beam is completed.To realize above-mentioned function,
The embodiment of the invention also provides a kind of transmission methods of Communication ray, as shown in Figure 2, which comprises
201, the laser beam received is filtered by filtration module, obtains the laser beam of target wave band.
Explanation in relation to step 201, please refers to the detailed description of step 101, and the embodiment of the present invention is no longer gone to live in the household of one's in-laws on getting married herein
It states.
202, the laser beam of target wave band is transmitted to the second wave plate module, so that the second wave plate module is by the mesh
The laser beam of nominal band is converted to S-polarization laser beam by circularly polarized laser beam, and the linearly polarized laser beam is sent to described
Beam-expanding system.
Communication optical receiver module needs to receive linearly polarized light, to guarantee that the laser beam being finally emitted is P-polarized light, is realizing
During the accurate adjustment of laser beam exits angle, Transmission system can change the polarization of laser beam by multiple wave plate module
State.In embodiment disclosed by the invention, through the filtered laser beam of filter module through wave plate module by laser beam by circular polarization
Laser beam is converted to S-polarization laser beam.
203, it is collected based on laser beam of the beam-expanding system to target wave band.
In practical applications, the laser beam to reception target wave band is needed to be collected through beam-expanding system to reduce communication
The diameter of ray laser beam, in embodiment disclosed by the invention, the diameter of the Communication ray after 5 times of beam-expanding systems collect becomes 4
Millimeter.
204, the laser beam transmitted from the beam-expanding system is received by the polarization spectro module, and reflects S-polarization laser
Beam is to the first wave plate module, so that S-polarization laser beam is converted to circularly polarized laser beam by the first wave plate module.
Polarization spectro module can reflect S polarized light, transmitting P-type polarisation light, and polarization spectro module is anti-by received S polarized light
It is incident upon the first wave plate module, S polarized light is converted to circularly polarized light through the first wave plate module.
205, the circularly polarized laser beam is sent to the lens assembly by the first wave plate module.
206, the shooting angle of the laser beam is adjusted according to default swing angle by the lens assembly.
In embodiment disclosed by the invention, after lens assembly receives laser beam, according to pre-set swing angle
Just successive step is carried out to the shooting angle of laser beam, the setting of swing angle is set according to the field of view of receiver of receiving system
, the field of view of receiver needs to preset, and in practical applications, can be configured in advance, in specific setting, is not easy
What is be arranged is excessive, and such as positive and negative 180 ° (± 180 °), the incident angle of received laser beam at this time is excessive, is not easy to adjust, and generates
Communication ray be mostly invalid light, communication service cannot be provided；Also be not easy to be arranged it is too small, such as 0 °, at this time without field of view angle, connect
The laser beam of receipts is excessively single, then can not be space flight carrier without receiving the laser beam of space flight carrier transmitting completely
Communication service is provided.It is ± 2 ° that field of view of receiver can be preset in embodiment disclosed by the invention.By presetting lens assembly
Swing angle adjusts the angle of emergence of laser beam, and the swing angle being arranged should be greater than field of view of receiver angle, and the present invention disclose
Embodiment in can preset swing angle be ± 5 °.
207, the laser beam adjusted is sent to the first wave plate module, so that the wave plate module is by the adjustment
Circularly polarized laser beam afterwards is converted to linearly polarized laser beam.
In embodiment disclosed by the invention, before spaceborne lens assembly receives the laser beam of space flight carrier transmitting,
The swing angle of lens assembly is tentatively set according to the substantially incident angle of field of view of receiver angle and laser beam, to laser beam
Adjustment may have error, realize essence tracking by the way that laser beam is sent photoelectric converter.
Photoelectric converter needs to receive linearly polarized light, so before laser beam is sent to photoelectric converter, need by
Circularly polarized laser beam adjusted is converted to linearly polarized laser beam by the first wave plate module.
208, the linearly polarized laser beam of conversion is sent to polarization spectro module, so that the polarization spectro module penetrates P
Polarized laser beam, and the P polarization laser beam is sent to spectral module, so that the spectral module is by laser beam adjusted
The photoelectric converter is reflexed to, so that the photoelectric converter calculates the coordinate information of the laser beam adjusted.
In embodiment disclosed by the invention, P-polarized light is transmitted through spectral module, non-normal incidence through polarization spectro module
Laser beam spectral module be transmitted through photoelectric converter, the purpose that laser beam is sent to photoelectric converter is, detect laser
The angle of emergence of beam, to execute the accurate adjustment to lens assembly.In embodiment disclosed by the invention, the photoelectric converter
It can be COMS sensor, in actual application, any one includes COMS sensor function, can be used as photoelectric conversion
Device.Received laser beam is formed luminous point image planes figure by photoelectric converter, according to position corresponding to laser beam in luminous point image planes figure
Received laser beam coordinate information is calculated, the method for calculating laser beam coordinate information may include but be not limited to the following contents:
Mode one: it is calculated corresponding position in luminous point image planes figure according to the corresponding system focal length of photoelectric converter with laser beam；
Mode two: there are coordinate system in luminous point image planes figure, according to coordinate information of the laser beam in luminous point image planes figure scaling meter in proportion
The actual coordinate information of laser beam is calculated, actual coordinate information may include but be not limited to the following contents: the angle of emergence of laser beam
Degree, transmission position etc..
209, lens assembly receives the coordinate information that the photoelectric converter is sent, and is sentenced according to the coordinate information
Break whether the difference between the laser beam and optical axis for being incident upon the photoelectric converter is less than default error threshold.
The swing angle of lens assembly is tentatively set according to the substantially incident angle of field of view of receiver angle and laser beam, by
The shooting angle of the laser beam of lens assembly adjustment may have error, be sat by receiving the laser beam that photoelectric converter is sent
Information is marked, obtains the shooting angle of laser beam, so that lens assembly continues to adjust swing angle according to the shooting angle of laser beam.
2010, if it is determined that being more than or equal to the default error threshold, then the coordinate information continues based on the received
Adjust the shooting angle from the lens assembly shoot laser beam, laser beam and optical axis until being incident to the photoelectric converter
Between difference be less than default error threshold until.
If it is determined that the difference being incident between the laser beam of photoelectric converter and optical axis is more than or equal to the default error
Threshold value, the then coordinate information of the laser beam provided according to photoelectric converter continue the swing angle for adjusting lens assembly, with adjustment
The shooting angle of laser beam, until the difference between the laser beam and optical axis for being incident to the photoelectric converter is less than default error threshold
Until value, that is, the luminous point for being sent to the laser beam of photoelectric converter is entirely located in the centre bit of the corresponding luminous point image planes figure of laser beam
It sets.It should be noted that photoelectric converter needs real-time delivery laser beam during spaceborne lens apparatus continues working
Coordinate information, so that lens assembly carries out swing angle adjustment, to provide stable communication service.
To sum up, laser beam need to be changed polarization state through wave plate module before expanding through beam-expanding system, polarize changing
Laser beam after state is sent to laser of the polarization spectro module with reflected P polarized light to beam-expanding system, after beam-expanding system collects
Beam is sent to the second wave plate module, so that S-polarization laser beam is converted to circularly polarized light by the second wave plate module and is sent to camera lens
Laser beam is sent to photoelectric converter by component, lens assembly, is realized and is tracked to laser beam essence, and the angle of emergence to laser beam is completed
The transmission to Communication ray is realized in the accurate adjustment of degree.
As the realization to method shown in above-mentioned Fig. 1, another embodiment disclosed by the invention additionally provides a kind of Communication ray
Transmitting device.The Installation practice is corresponding with preceding method embodiment, and to be easy to read, present apparatus embodiment is no longer to aforementioned
Detail content in embodiment of the method is repeated one by one, it should be understood that before the device in the present embodiment can correspond to realization
State the full content in embodiment of the method.
Embodiment disclosed by the invention also provides a kind of transmitting device of Communication ray, as shown in Figure 3, comprising:
Filter element 31 obtains the laser of target wave band for being filtered by filtration module to the laser beam received
Beam；
Unit 32 is collected, the laser beam of the target wave band for obtaining to the filter element 31 collects；
First transmission unit 33, for collecting the laser beam after unit 32 collects by described and being transmitted to lens assembly, so as to
The lens assembly adjusts shooting angle of the laser beam from the lens assembly.
The transmitting device of Communication ray provided in an embodiment of the present invention carried out the laser beam received by filtration module
Filter, obtains the laser beam of target wave band；The laser beam of the target wave band is collected, and the laser beam transmission after collecting
To lens assembly, so that the lens assembly adjusts shooting angle of the laser beam from the lens assembly.With connect in the prior art
The field range of the laser beam of receipts is larger, and received invalid laser beam is more, causes the communication service provided is unstable to compare, this
Invention increases filtration module and is filtered to the wave band of laser beam, and increase lens assembly to the shooting angle of laser beam into
Row adjustment, increases and receives effective laser beam, improve the stability of communication service.
Further, as shown in figure 4, described collect unit 32, it is also used to the laser based on beam-expanding system to target wave band
Shu Jinhang is collected.
Further, as shown in figure 4, described device further include:
Adjustment unit 34, for adjusting the shooting angle of the laser beam according to default swing angle；
First sends 35 yuan of list, for the adjustment unit 34 laser beam adjusted to be sent to photoelectric converter, with
Toilet states the coordinate information that photoelectric converter calculates the laser beam adjusted；
Receiving unit 36, the coordinate information sent for receiving the photoelectric converter；
Judging unit 37, the coordinate information judgement for being received according to the receiving unit 36 are incident to the light
Whether the difference between the laser beam and optical axis of electric transducer is less than default error threshold；
First processing units 38, for being more than or equal to the default error threshold when the judging unit 37 determines
When, the coordinate information continues to adjust the shooting angle from the lens assembly shoot laser beam based on the received, until incidence
Until the difference between the laser beam of the photoelectric converter and optical axis is less than default error threshold.
Further, as shown in figure 4, described device further include:
Second transmission unit 39, for the laser beam adjusted to be sent to photoelectricity in first transmission unit 35
Before converter, the laser beam adjusted is sent to wave plate module, so that the wave plate module will be described adjusted
Circularly polarized laser beam is converted to P polarization laser beam；
Third transmission unit 310, for the P polarization laser beam of conversion to be sent to polarization spectro module, so as to described inclined
The spectral module that shakes penetrates P polarization laser beam, and the P polarization laser beam is sent to spectral module, so as to the spectral module
Laser beam adjusted is reflexed into the photoelectric converter.
Further, as shown in figure 4, described device further include:
Second transmission unit 311, for the laser beam after collecting to be transmitted to lens group in first transmission unit 33
Before part, the laser beam of target wave band is transmitted to the second wave plate module, so that the second wave plate module is by the target wave
The laser beam of section is converted to S-polarization laser beam by circularly polarized laser beam, and the linearly polarized laser beam is sent to described expand
System；
The second processing unit 312 swashs for being received by the polarization spectro module from the S-polarization that the beam-expanding system transmits
Light beam, and reflect S-polarization laser beam to the first wave plate module, so that the first wave plate module is by the S-polarization laser
Beam is converted to circularly polarized laser beam；
4th transmission unit 313, for the circularly polarized laser beam to be sent to the mirror by the first wave plate module
Head assembly.
Further, as shown in figure 4, described device further include:
The target wave band is 1064 nanometers；
It is described collect after lasing beam diameter be 4 millimeters.
To sum up, laser beam need to be changed polarization state through wave plate module before expanding through beam-expanding system, polarize changing
Laser beam after state is sent to laser of the polarization spectro module with reflected P polarized light to beam-expanding system, after beam-expanding system collects
Beam is sent to the second wave plate module, so that S-polarization laser beam is converted to circularly polarized light by the second wave plate module and is sent to camera lens
Laser beam is sent to photoelectric converter by component, lens assembly, is realized and is tracked to laser beam essence, and the angle of emergence to laser beam is completed
The transmission to Communication ray is realized in the accurate adjustment of degree.
The transmitting device for the Communication ray introduced by the present embodiment is the Communication ray that can be executed in the embodiment of the present invention
Transmission method device, so the transmission method based on Communication ray described in the embodiment of the present invention, the affiliated skill in this field
Art personnel can understand the specific embodiment and its various change form of the transmitting device of the Communication ray of the present embodiment, so
How to realize that the transmission method of a variety of Communication rays in the embodiment of the present invention is no longer detailed for the transmitting device of the Communication ray at this
It is thin to introduce.As long as those skilled in the art implement device used by the transmission method of Communication ray in the embodiment of the present invention,
Belong to the range to be protected of the application.
The embodiment of the invention provides a kind of electronic equipment, as shown in Figure 5, comprising: at least one processor
(processor)41；And at least one processor (memory) 42, the bus 43 being connect with the processor 41；Wherein,
The processor 41, memory 42 complete mutual communication by the bus 43；
The processor 41 is used to call the program instruction in the memory 42, to execute in above method embodiment
Step.
The present embodiment provides a kind of non-transient computer readable storage medium, the non-transient computer readable storage medium
Computer instruction is stored, the computer instruction makes the computer execute method provided by above-mentioned each method embodiment.
It should be understood by those skilled in the art that, embodiments herein can provide as method, system or computer program
Product.Therefore, complete hardware embodiment, complete software embodiment or reality combining software and hardware aspects can be used in the application
Apply the form of example.Moreover, it wherein includes the computer of computer usable program code that the application, which can be used in one or more,
The computer program implemented in usable storage medium (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.) produces
The form of product.
The application is referring to method, the process of equipment (system) and computer program product according to the embodiment of the present application
Figure and/or block diagram describe.It should be understood that every one stream in flowchart and/or the block diagram can be realized by computer program instructions
The combination of process and/or box in journey and/or box and flowchart and/or the block diagram.It can provide these computer programs
Instruct the processor of general purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices to produce
A raw machine, so that being generated by the instruction that computer or the processor of other programmable data processing devices execute for real
The device for the function of being specified in present one or more flows of the flowchart and/or one or more blocks of the block diagram.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works, so that it includes referring to that instruction stored in the computer readable memory, which generates,
Enable the manufacture of device, the command device realize in one box of one or more flows of the flowchart and/or block diagram or
The function of being specified in multiple boxes.
These computer program instructions also can be loaded onto a computer or other programmable data processing device, so that counting
Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, thus in computer or
The instruction executed on other programmable devices is provided for realizing in one or more flows of the flowchart and/or block diagram one
The step of function of being specified in a box or multiple boxes.
In a typical configuration, calculating equipment includes one or more processors (CPU), input/output interface, net
Network interface and memory.
Memory may include the non-volatile memory in computer-readable medium, random access memory (RAM) and/
Or the forms such as Nonvolatile memory, such as read-only memory (ROM) or flash memory (flash RAM).Memory is computer-readable Jie
The example of matter.
Computer-readable medium includes permanent and non-permanent, removable and non-removable media can be by any method
Or technology come realize information store.Information can be computer readable instructions, data structure, the module of program or other data.
The example of the storage medium of computer includes, but are not limited to phase change memory (PRAM), static random access memory (SRAM), moves
State random access memory (DRAM), other kinds of random access memory (RAM), read-only memory (ROM), electric erasable
Programmable read only memory (EEPROM), flash memory or other memory techniques, read-only disc read only memory (CD-ROM) (CD-ROM),
Digital versatile disc (DVD) or other optical storage, magnetic cassettes, tape magnetic disk storage or other magnetic storage devices
Or any other non-transmission medium, can be used for storage can be accessed by a computing device information.As defined in this article, it calculates
Machine readable medium does not include temporary computer readable media (transitory media), such as the data-signal and carrier wave of modulation.
It should also be noted that, the terms "include", "comprise" or its any other variant are intended to nonexcludability
It include so that the process, method, commodity or the equipment that include a series of elements not only include those elements, but also to wrap
Include other elements that are not explicitly listed, or further include for this process, method, commodity or equipment intrinsic want
Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including element
There is also other identical elements in process, method, commodity or equipment.
It will be understood by those skilled in the art that embodiments herein can provide as method, system or computer program product.
Therefore, complete hardware embodiment, complete software embodiment or embodiment combining software and hardware aspects can be used in the application
Form.It is deposited moreover, the application can be used to can be used in the computer that one or more wherein includes computer usable program code
The shape for the computer program product implemented on storage media (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.)
Formula.
The above is only embodiments herein, are not intended to limit this application.To those skilled in the art,
Various changes and changes are possible in this application.It is all within the spirit and principles of the present application made by any modification, equivalent replacement,
Improve etc., it should be included within the scope of the claims of this application.
Claims (14)
1. a kind of transmission method of Communication ray characterized by comprising
The laser beam received is filtered by filtration module, obtains the laser beam of target wave band；
The laser beam of the target wave band is collected, and the laser beam after collecting is transmitted to lens assembly, so as to described
Lens assembly adjusts shooting angle of the laser beam from the lens assembly.
2. the method according to claim 1, wherein the laser beam to the target wave band carries out collecting packet
It includes:
It is collected based on laser beam of the beam-expanding system to target wave band.
3. the method according to claim 1, wherein the method also includes:
The shooting angle of the laser beam is adjusted according to default swing angle by the lens assembly；
The laser beam adjusted is sent to photoelectric converter, so that photoelectric converter calculating is described adjusted sharp
The coordinate information of light beam；
The coordinate information that the photoelectric converter is sent is received, and the photoelectricity is incident to according to coordinate information judgement
Whether the difference between the laser beam and optical axis of converter is less than default error threshold；
If it is determined that being more than or equal to the default error threshold, then the coordinate information continues to adjust from described based on the received
The shooting angle of lens assembly shoot laser beam, until the difference between the laser beam and optical axis for being incident to the photoelectric converter is small
Until default error threshold.
4. according to the method described in claim 3, it is characterized in that, the laser beam adjusted is sent to photoelectric conversion
Before device, the method also includes:
The laser beam adjusted is sent to the first wave plate module, so that the wave plate module is inclined by the circle adjusted
Vibration laser beam is converted to linearly polarized laser beam；
The linearly polarized laser beam of conversion is sent to polarization spectro module, so that the polarization spectro module penetrates P polarization laser
Beam, and the P polarization laser beam is sent to spectral module, so that laser beam adjusted is reflexed to institute by the spectral module
State photoelectric converter.
5. according to the method described in claim 4, it is characterized in that, by the laser beam after collecting be transmitted to lens assembly it
Before, the method also includes:
The laser beam of target wave band is transmitted to the second wave plate module, so that the second wave plate module is by the target wave band
Laser beam is converted to S-polarization laser beam by circularly polarized laser beam, and the linearly polarized laser beam is sent to the beam-expanding system；
The laser beam that transmits from the beam-expanding system is received by the polarization spectro module, and reflects S-polarization laser beam to described
First wave plate module, so that S-polarization laser beam is converted to circularly polarized laser beam by the first wave plate module；
The circularly polarized laser beam is sent to the lens assembly by the first wave plate module.
6. the method according to any one of claims 1 to 5, which is characterized in that the target wave band is 1064 nanometers；
It is described collect after lasing beam diameter be 4 millimeters.
7. a kind of transmitting device of Communication ray characterized by comprising
Filter element obtains the laser beam of target wave band for being filtered by filtration module to the laser beam received；
Unit is collected, the laser beam of the target wave band for obtaining to the filter element collects；
First transmission unit, for collecting the laser beam after unit collects by described and being transmitted to lens assembly, so as to the camera lens
Component adjusts shooting angle of the laser beam from the lens assembly.
8. device according to claim 7, which is characterized in that it is described to collect unit, it is also used to based on beam-expanding system to mesh
The laser beam of nominal band is collected.
9. device according to claim 7, which is characterized in that described device further include:
Adjustment unit, for adjusting the shooting angle of the laser beam according to default swing angle；
First transmission unit, for adjustment unit laser beam adjusted to be sent to photoelectric converter, so as to the light
Electric transducer calculates the coordinate information of the laser beam adjusted；
Receiving unit, the coordinate information sent for receiving the photoelectric converter；
Judging unit, the coordinate information judgement for being received according to the receiving unit are incident to the photoelectric converter
Laser beam and optical axis between difference whether be less than default error threshold；
First processing units, for when the judging unit determines and is more than or equal to the default error threshold, according to connecing
The coordinate information received continues to adjust the shooting angle from the lens assembly shoot laser beam, until being incident to the photoelectricity
Until difference between the laser beam and optical axis of converter is less than default error threshold.
10. device according to claim 9, which is characterized in that described device further include:
Second transmission unit, for first transmission unit by the laser beam adjusted be sent to photoelectric converter it
Before, the laser beam adjusted is sent to wave plate module, so that the wave plate module swashs the circular polarization adjusted
Light beam is converted to P polarization laser beam；
Third transmission unit, for the P polarization laser beam of conversion to be sent to polarization spectro module, so as to the polarization spectro mould
Block penetrates P polarization laser beam, and the P polarization laser beam is sent to spectral module, after adjusting so as to the spectral module
Laser beam reflex to the photoelectric converter.
11. device according to claim 10, which is characterized in that described device further include:
Second transmission unit, for inciting somebody to action before the laser beam after collecting is transmitted to lens assembly by first transmission unit
The laser beam of target wave band is transmitted to the second wave plate module, so that the second wave plate module is by the laser beam of the target wave band
S-polarization laser beam is converted to by circularly polarized laser beam, and the linearly polarized laser beam is sent to the beam-expanding system；
The second processing unit, for receiving the S-polarization laser beam transmitted from the beam-expanding system by the polarization spectro module, and
S-polarization laser beam is reflected to the first wave plate module, so that the first wave plate module is converted to the S-polarization laser beam
Circularly polarized laser beam；
4th transmission unit, for the circularly polarized laser beam to be sent to the lens assembly by the first wave plate module.
12. device according to any one of claims 7 to 11, which is characterized in that the target wave band is 1064 nanometers；
It is described collect after lasing beam diameter be 4 millimeters.
13. a kind of electronic equipment characterized by comprising
At least one processor；
And at least one processor, the bus being connected to the processor；Wherein,
The processor, memory complete mutual communication by the bus；
The processor is used to call the program instruction in the memory, is required described in any one of 1 to 6 with perform claim
The transmission method of Communication ray.
14. a kind of non-transient computer readable storage medium, which is characterized in that the non-transient computer readable storage medium is deposited
Computer instruction is stored up, the computer instruction makes Communication ray described in any one of described computer perform claim requirement 1 to 6
Transmission method.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811276763.3A CN109257095A (en) | 2018-10-30 | 2018-10-30 | The transmission method and device of Communication ray |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811276763.3A CN109257095A (en) | 2018-10-30 | 2018-10-30 | The transmission method and device of Communication ray |
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| CN109257095A true CN109257095A (en) | 2019-01-22 |
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Application publication date: 20190122 |