CN109343026A - A kind of laser television all-in-one machine optical system based on binary face - Google Patents
A kind of laser television all-in-one machine optical system based on binary face Download PDFInfo
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- CN109343026A CN109343026A CN201811209393.1A CN201811209393A CN109343026A CN 109343026 A CN109343026 A CN 109343026A CN 201811209393 A CN201811209393 A CN 201811209393A CN 109343026 A CN109343026 A CN 109343026A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
- G01S7/481—Constructional features, e.g. arrangements of optical elements
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- Computer Networks & Wireless Communication (AREA)
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- Mechanical Light Control Or Optical Switches (AREA)
- Microscoopes, Condenser (AREA)
Abstract
The laser television all-in-one machine optical system based on binary face that the present invention relates to a kind of, preceding fixed group lens before the first of paths direction setting by successively fixing before lens and second fixed lens group at fixing the binary face that there is lens at least one side to be arranged along paths direction before described first；The present invention improves the integrated design of system using the mentality of designing of laser television one, mitigates system weight using the structural plane shape in binary face, is divided twice using beam divider to light, to improve the high functional density of optical system.Wherein the laser of different wave length is detected respectively in such a way that optical filtering switches, realizes the versatility of laser system.Compared with similar products, in the present invention, the mentality of designing of laser television one improves the integrated design of system；The rational design in binary face alleviates system bulk weight；The application of beam divider light splitting improves the high functional density of optical system；The versatility of the multiband design realization system of laser system.
Description
Technical field
The present invention relates to optoelectronic device technical field more particularly to a kind of laser television all-in-one machine optics based on binary face
System.
Background technique
Laser ranging technique and television imaging technology are widely used in TV guidance, photoelectronic reconnaissance, observe target
When with tracking, the code acquisition of rapid flight object nearby should be met, also to meet low speed or midium speed long-distance flight
Object is tracked；Also accurate ranging is carried out to tracking target within the same time simultaneously, confirm the physical location of target, people
Requirement is improved to the high functional density of optical system and integrated design now.
In order to guarantee in the operations such as TV guidance and photoelectronic reconnaissance, in a certain range to the target of different distance
It realizes high definition imaging and accurate ranging, proposes a kind of laser television all-in-one machine optics that can be applied in the action such as photoelectronic reconnaissance
System.
Summary of the invention
The purpose of the invention is to overcome defect in the prior art, a kind of laser television one based on binary face is provided
Body machine optical system improves high functional density and the integrated design of optical system.
The present invention is achieved through the following technical solutions:
A kind of laser television all-in-one machine optical system based on binary face, comprising: the transmitting for Laser emission to be gone out
Organize afterwards lens, for receives the laser after organizing collimated after transmitting and again group lens before the transmitting that is collimated, be used for
Receive preceding fixed group lens that diffusing reflection returns, for the beam divider group of light splitting, for swashing after the light splitting of beam divider group
Light carries out rear group of lens of residual aberration compensation, for the first optical filtering for carrying out ranging from the laser after rear group of lens compensation
Group, the light for reflecting beam divider group carry out the secondary prism group turned back, are used to become the light that prism group is turned back
Zoom group lens again, are used for compensation group the compensation group lens for compensating to the light after zoom group lens zoom
Rear fixed group lens that light residual aberration after lens compensation compensates and for by the light in rear fixed group lens at
As the second optical filtering microscope group in CCD target surface；
Group lens set gradually along paths direction and form Laser emission system before organizing lens and transmitting after the transmitting
System fixes group lens, beam divider group, rear group lens and the first optical filtering microscope group is set gradually along paths direction and group before described
At laser receiver system, the laser transmitting system and laser receiver system form laser ranging system；
Fixed group lens before described, beam divider group, prism group, zoom group lens, compensation group lens, rear fixed group lens and
Second optical filtering microscope group sets gradually along paths direction and forms continuous vari-focus television system；
Wherein, before the preceding fixed group lens are by successively fixing lens and second before the first of paths direction setting
Fixed lens group is at fixing lens before described first has the binary face that is arranged along paths direction of at least one side.
The present invention, which further improves, to be, first face in lens along paths direction is fixed before described first and is
Binary face.
The present invention, which further improves, to be, the laser includes solid 1064nm fundamental frequency lasers and solid 1550nm
Fundamental frequency lasers, and solid 1064nm fundamental frequency lasers or solid 1550nm fundamental frequency lasers output continuous laser or pulse swash
Light.
The present invention, which further improves, to be, the first optical filtering microscope group includes two pieces of optical filterings, to cutting by optical filtering
It changes and 1064nm laser and 1550nm laser is detected.
The present invention further improvement lies in that, the beam divider group use semi-transparent semi-reflecting plated film mode.
Compared with prior art, the beneficial effects of the present invention are:
The present invention improves the integrated design of system using the mentality of designing of laser television one, using the structure in binary face
Face shape mitigates system weight, is divided twice using beam divider to light, to improve the high functional density of optical system.
Wherein the laser of different wave length is detected respectively in such a way that optical filtering switches, realizes the versatility of laser system.With
Similar product is compared, and in the present invention, the mentality of designing of laser television one improves the integrated design of system；Binary face it is reasonable
Design alleviates system bulk weight；The application of beam divider light splitting improves the high functional density of optical system；Laser system
The versatility of multiband design realization system.After this product is equipped with construction package, image-forming assembly and circuit control, it can be fitted to each
Kind airborne, vehicle-mounted photoelectric tracking and reconnaissance equipment.
Detailed description of the invention
Fig. 1 is schematic diagram of optical system in one embodiment of the invention；
Fig. 2 is traditional continuous zoom TV and laser ranging schematic diagram of optical system.
Appended drawing reference is as follows:
1, lens are organized before transmitting, 2, organize lens after transmitting, 3, preceding fixed group lens, 4, beam divider group, 5, organize lens afterwards, 6,
First optical filtering microscope group, 7, prism group, 8, zoom group lens, 9, compensation group lens, 10, rear fixed group lens, the 11, second optical filtering
Group.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
As shown in Figure 1, a kind of laser television all-in-one machine optical system based on binary face, comprising: be used for Laser emission
Lens 2 are organized after the transmitting gone out, for receiving the laser after organizing the collimation of lens 2 after transmitting and again before the transmitting that is collimated
Group lens 1, for receiving preceding fixed group lens 3 that diffusing reflection returns, for the beam divider group 4 of light splitting, for by analysing light
Microscope group 4 be divided after laser carry out residual aberration compensation rear group of lens 5, for from the rear group of compensated laser of lens 5 into
First optical filtering microscope group 6 of row ranging, the light for reflecting beam divider group 4 carry out the secondary prism group 7 turned back, are used for rib
The light that microscope group 7 is turned back carries out the zoom group lens 8 of zoom, for what is compensated to the light after 8 zoom of zoom group lens
Compensation group lens 9, the rear fixed group lens 10 for being compensated to the compensated light residual aberration of compensation group lens 9 and use
In by the image formation by rays in rear fixed group lens 10 CCD target surface the second optical filtering microscope group 11；
Group lens 1 set gradually along paths direction and form Laser emission before organizing lens 2 and transmitting after the transmitting
System, fixed group lens 3, beam divider group 4, rear group lens 5 and the first optical filtering microscope group 6 are successively set along paths direction before described
Laser receiver system is set and forms, the laser transmitting system and laser receiver system form laser ranging system；
Fixed group lens 3, beam divider group 4, prism group 7, zoom group lens 8, compensation group lens 9, afterwards fixed group before described
Lens 10 and the second optical filtering microscope group 11 set gradually along paths direction and form continuous vari-focus television system；
Wherein, the preceding fixed group lens 3 are by successively fixing lens and second before the first of paths direction setting
Preceding fixed lens group is at fixing lens before described first has the binary face that is arranged along paths direction of at least one side.
In the above-mentioned technical solutions, rear fixed group lens 10 can be used to realize the focusing function of continuous vari-focus television system
Can, guarantee optical axis stable precision in focussing process, while guaranteeing television system imaging clearly in high and low temperature environment experiment.Generally
The focus adjusting mechanism of continuous zoom TV on fixed group lens 3, since preceding fixed group 3 bore of lens is big, weight weight, is adjusted before being all placed on
The shaking that can cause optical axis during burnt, influences the optical axis stable precision of system.
When it is implemented, it is binary face that first face in lens along paths direction is fixed before described first, it is other
Face be all common face shape, the glass of common face shape is easier to process, and binary optical elements are a kind of diffraction lights of phase-type
Element is learned, it designs diffraction position phase profile using the analysis to optical wave-front using the diffraction effect of light as basic functional principle.
The method of production binary optical elements mainly has the etching method in microelectronic technique at present, and high-precision diamond lathe process control is cut
Cut method etc..The number of lenses of fixed group lens 3 before being reduced using the face shape in binary face, while alleviating the body of whole system
Product weight.
More specifically, the structure type of fixed group is three pieces of lens before general, and the structure type in binary face is used, before being
Fixed group reduces by one piece of lens, alleviates system weight.The dispersion of diffraction element is unrelated with material, and abbe number is negative, benefit
With this property, preceding fixed first face for organizing first piece of positive lens in lens 3 is carved with binary optical elements, is for correcting
System color difference guarantees to mitigate system weight while optical system imaging quality.And traditional continuous zoom optical system is preceding solid
Surely group lens 3 can only use positive and negative lenses to combine achromatism, thus binary optical elements are in lens achromatism and reduction
There is clear advantage on the weight and volume of element.
When it is implemented, the laser includes solid 1064nm fundamental frequency lasers and solid 1550nm fundamental frequency lasers,
And solid 1064nm fundamental frequency lasers or solid 1550nm fundamental frequency lasers export continuous laser or pulse laser.
More specifically, the zoom group lens 8 include two glued parts, the compensation group lens 9 include along paths
The simple lens and a glued part that direction is set gradually, fixed group lens 10 include two glued parts and two lists after described
Lens are arranged along paths direction according to the sequence alternate of glued part, simple lens.
In the above-mentioned technical solutions, the effect of prism group 7 be light that beam divider group 4 reflects is carried out it is secondary turn back, allow anti-
It penetrates light and enters zoom group lens 8, compensation group lens 9, rear fixed group lens 10, optical filtering microscope group 11, final image formation by rays exists
CCD target surface.Zoom group lens 8 and compensation group lens 9 realize continuous zoom, the residual aberrations of 10 pairs of fronts of rear fixed group lens into
Row compensation, while the focusing function of television system is realized by fixing group lens 10 after movement, guarantee television system in height
Imaging clearly in temperature experiment.
When it is implemented, the first optical filtering microscope group 6 includes two pieces of optical filterings, used in laser ranging system design
Wave band has 1064nm and two kinds of 1550nm, and two kinds of laser of 1064nm laser and 1550nm can be used in laser ranging, realizes
The versatility of system, while laser can carry out ranging all the way, laser can be used to irradiate all the way, provide guide for emitting substance.
There are two pieces of optical filterings in first optical filtering microscope group 6,1064nm laser and 1550nm are swashed respectively in such a way that optical filtering switches
Light is detected, and realizes the function of laser ranging；Guarantee that the image point position of two laser is consistent during system design,
Parallax will not be brought in optical filtering handoff procedure.The single band that traditional laser ranging all uses, mechanism form is relatively simple, leads to
It is poor with property.
When it is implemented, the semi-transparent semi-reflecting plated film mode of the use of beam divider group 4, effect is by oneself of target and background
The laser that right light and diffusing reflection are returned is divided, and a part of diffusing reflection laser enters 1064nm and 1550nm detector, real
Existing laser ranging；A part of available light, in continuous zoom TV CCD target surface, realizes the mesh to different distance by prism imaging
Mark monitoring；Traditional light splitting form is all using prismatic decomposition, and the shortcomings that prismatic decomposition is that volume weight is big, due to 1064nm and
The energy ratio of 1550nm laser is larger to be easy to damage film layer；So requiring the glue-line of cemented prism harsher.And use analysis
Light microscopic group 4 is used to be divided that system weight can be mitigated, while can be with resisting laser damage.
More specifically, the effect of beam divider group 4 is the laser progress of available light and diffusing reflection back by target and background
Light splitting, group lens 5, the first optical filtering microscope group 6 are imaged on laser detector a part of diffusing reflection laser warp later, realize Laser Measuring
Away from；A part of available light, in continuous zoom TV CCD target surface, realizes the target monitoring to different distance by prism imaging.
Beam divider group 4 is divided light using semi-transparent semi-reflecting plated film side twice, to improve the high functional density of optical system；Afterwards
Group lens 5 compensate the residual aberration of 1064nm and 1550nm laser, guarantee the image quality of two kinds of laser；Pass through optical filtering
The mode of mirror switching respectively detects the laser of 1064nm laser and 1550nm, realizes the versatility of laser ranging system.
Laser television all-in-one machine can in a certain range to the realization of goal picture control of different distance and accurate ranging,
To improve the high functional density of camera lens, while mitigating the volume weight of system.Tradition single zoom TV and laser at present
Ranging camera lens is mainly used in various airborne, vehicle-mounted photoelectric trackings and reconnaissance equipment, and zoom television cameras are used to realize to mesh
Mark search, observation and tracking；Laser ranging camera lens is used to the accurate ranging of target.Zoom electricity is given in photoelectric tracking and reconnaissance equipment
Space depending on reserving with laser ranging camera lens is limited, multi-functional requirement, and requires volume weight harsh.And use laser television
Ranging, search, observation and tracking to target may be implemented in all-in-one machine, improves the high functional density of camera lens, while mitigating
It takes advantage in system bulk weight.
On the basis of above-mentioned implementation process, the image quality figure of obtained laser television all-in-one machine, continuous vari-focus TV and swash
The image quality of ligh-ranging system reaches diffraction limit, and image quality is excellent.Single continuous vari-focus TV and laser with tradition
Range-measurement system (such as Fig. 2 shows) takes advantage in mitigating system bulk weight compared to laser television all-in-one machine.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (5)
1. a kind of laser television all-in-one machine optical system based on binary face characterized by comprising for going out Laser emission
Lens (2), the transmitting for receiving the laser after organizing lens (2) collimation after transmitting and being collimated again are organized after the transmitting gone
Preceding group of lens (1), for receive preceding fixed group lens (3) that diffusing reflection returns, for light splitting beam divider group (4), for pair
Laser after beam divider group (4) light splitting carries out rear group of lens (5) of residual aberration compensation, for from rear group of lens (5)
Compensated laser carries out the first optical filtering microscope group (6) of ranging, for the light that beam divider group (4) are reflected to be carried out secondary turn back
Prism group (7), the light for turning back to prism group (7) carry out the zoom group lens (8) of zoom, for zoom group lens
(8) light after zoom compensates compensation group lens (9), for the compensated light residue picture of compensation group lens (9)
Rear fixed group lens (10) that difference compensates and for will after image formation by rays in fixed group lens (10) the of CCD target surface
Two optical filtering microscope groups (11)；
Group lens (1) sets gradually along paths direction and forms Laser emission before organizing lens (2) and transmitting after the transmitting
System fixed group lens (3) before described, beam divider group (4), organizes lens (5) and the first optical filtering microscope group (6) along paths side afterwards
To setting gradually and forming laser receiver system, the laser transmitting system and laser receiver system form laser ranging system；
Fixed group lens (3) before described, beam divider group (4), prism group (7), zoom group lens (8), compensation group lens (9), after
Fixed group lens (10) and the second optical filtering microscope group (11) set gradually along paths direction and form continuous vari-focus television system；
Wherein, before preceding fixed group lens (3) is by successively fixing lens and second before the first of paths direction setting
Fixed lens group is at fixing lens before described first has the binary face that is arranged along paths direction of at least one side.
2. a kind of laser television all-in-one machine optical system based on binary face according to claim 1, it is characterised in that: institute
It is binary face that first face in lens along paths direction is fixed before stating first.
3. a kind of laser television all-in-one machine optical system based on binary face according to claim 1, it is characterised in that: institute
Stating laser includes solid 1064nm fundamental frequency lasers and solid 1550nm fundamental frequency lasers, and solid 1064nm fundamental frequency lasers
Or solid 1550nm fundamental frequency lasers export continuous laser or pulse laser.
4. a kind of laser television all-in-one machine optical system based on binary face according to claim 3, it is characterised in that: the
One optical filtering microscope group (6) includes two pieces of optical filterings, is carried out to the switching by optical filtering to 1064nm laser and 1550nm laser
Detection.
5. a kind of laser television all-in-one machine optical system based on binary face according to claim 1, it is characterised in that: institute
It states beam divider group (4) and uses semi-transparent semi-reflecting plated film mode.
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| CN112393692A (en) * | 2019-08-14 | 2021-02-23 | Oppo广东移动通信有限公司 | Laser projection module, image acquisition module, depth camera and electronic equipment |
| CN110849475A (en) * | 2019-12-20 | 2020-02-28 | 孝感华中精密仪器有限公司 | High-power optical fiber laser synthesis and sampling device based on reflection type optical system |
| CN111766703A (en) * | 2020-07-14 | 2020-10-13 | 孝感华中精密仪器有限公司 | Modeling method of optical system of video camera and recorder all-in-one machine based on image space scanning |
| CN111787203A (en) * | 2020-07-14 | 2020-10-16 | 孝感华中精密仪器有限公司 | Camera and video all-in-one machine based on image space scanning |
| CN111787203B (en) * | 2020-07-14 | 2021-08-06 | 孝感华中精密仪器有限公司 | Camera and video all-in-one machine based on image space scanning |
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