CN209640601U - Aerostatics laser relay mirror system and its simulator - Google Patents
Aerostatics laser relay mirror system and its simulator Download PDFInfo
- Publication number
- CN209640601U CN209640601U CN201920598954.5U CN201920598954U CN209640601U CN 209640601 U CN209640601 U CN 209640601U CN 201920598954 U CN201920598954 U CN 201920598954U CN 209640601 U CN209640601 U CN 209640601U
- Authority
- CN
- China
- Prior art keywords
- mirror
- laser
- module
- emulation
- totally reflected
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Optical Communication System (AREA)
Abstract
It includes laser, adaptive optics module, relay lens module and object module that the utility model, which provides a kind of aerostatics laser relay mirror system and its simulator, system,.The atmospheric turbulence simulation device that can be simulated uplink atmospheric turbulance space and simulate downlink atmospheric turbulance space is added in its simulator.The utility model has adaptive optics module, can carry out beam cleanup and correction atmospheric turbulance aberration under varying strength atmospheric turbulance；And beacon laser device is placed at object module, can provide the aberration information of uplink and downlink atmospheric turbulance to adaptive optics module.Its simulator has atmospheric turbulance and adaptive optics module, can carry out beam cleanup under varying strength atmospheric turbulance and correct the analog simulation of atmospheric turbulance aberration.
Description
Technical field
The utility model belongs to aerostatics laser relay mirror system simulation technical field, and in particular to a kind of aerostatics laser
Relay mirror system and its simulator.
Background technique
Aerostatics laser relay mirror system is to receive ground by the relay lens being placed on the aerostatics at certain height above sea level
The laser beam that light source is transmited to it redirects on focus emission to object module after receiving the relayed mirror module control of light beam, from
And the remote transmission of laser energy is completed, so aerostatics laser relay mirror system has the advantages that avoiding obstacles first.
Since adaptive optics module can correct aberration caused by atmospheric turbulance, so being configured with the aerostatics of adaptive optics module
Laser relay mirror system, which typically is provided with, reduces the advantages of atmosphere transmits influence and improve the efficiency of transmission of laser on laser.
The emulation of existing aerostatics laser relay mirror system generally has pure mathematics, physical model emulation and all-real object emulation
Two methods.Pure mathematics, physical model simulation study, cannot be close to actual motions normally due to certain models are inaccurate
As a result, even differing huge with actual the results of running sometimes.And experimental study is carried out using material object, it is at high cost and
R&D cycle is long.
United States Naval Postgraduate School has built laboratory three-axis satellite relay lens Beam Control simulation experiment platform, carries out
Research [the David M.Meissner.A three degree of freedom of relay mirror system flying platform Beam Control
test bed for nanosatellite and cubest attitudedynamics,determination and
control[D].Naval Postgraduate School,December 2009:1-76].This simulation experiment platform includes
Light source module, the three-axis satellite simulator of relay lens, object module and control processing module composition.But this relay lens light beam
Simulation experiment platform is controlled first without modules such as atmospheric turbulance and adaptive optics, can not carry out the side such as beam cleanup and control
The analog simulation in face.
Therefore, it is badly in need of now a kind of with atmospheric turbulance and the emulation of the aerostatics laser relay mirror system of adaptive optics module
Device solves above-mentioned problems of the prior art.
Utility model content
For existing aerostatics laser relay mirror system and the deficiency of emulation technology, the purpose of this utility model is that mentioning
For a kind of aerostatics laser relay mirror system and its simulator.
For the technical purpose for realizing the utility model, using following technical scheme:
A kind of aerostatics laser relay mirror system, including laser, adaptive optics module, relay lens module and target
Module；Laser and adaptive optics module are placed on ground, and relay lens module is placed on aerostatics；Laser is launched
Laser beam, through adaptive optics module realize laser beam purification and correction atmospheric turbulance aberration after pass through uplink road
The relay lens module on uplink atmospheric turbulance space propagation to aerostatics on diameter, the relayed mirror module focus emission of laser beam
Pass through the downlink atmospheric turbulance spatial on downlink transmission path to object module after out.Laser beam is defined from laser
It is uplink transmission path to relay lens module；Relay lens module to object module is downlink transmission path.
The object module is equipped with beacon laser device, rapid for providing uplink and downlink atmosphere to adaptive optics module
The aberration information of stream.Wherein the wavelength of beacon beam light beam caused by beacon laser device is less than laser beam produced by laser
Wavelength.Adaptive optics module includes tilting mirror, wave-front corrector, 1# spectroscope, laser Wavefront sensor, beacon beam wavefront biography
Sensor and wavefront controller.The beacon beam that beacon laser device in object module is launched is arrived through downlink atmospheric turbulance space propagation
Relay lens module is divided by 1# of the uplink atmospheric turbulance space propagation into adaptive optics module again after reaching relay lens module
Light microscopic, beacon optical wavefront sensor receive the beacon beam transmitted from 1# spectroscope；The laser beam of laser transmitting successively passes through certainly
Tilting mirror, wave-front corrector in adaptive optics module are transmitted to 1# spectroscope, and wherein most laser beam is through 1# spectroscope
By uplink atmospheric turbulance space propagation to relay lens module after reflecting, pass through downlink atmospheric turbulance after relayed mirror module
Space propagation is to object module.The fraction laser beam transmitted through spectroscope is received by laser Wavefront sensor, wavefront
Controller obtains total wavefront distortion after laser Wavefront sensor is added with the wave front data that beacon optical wavefront sensor obtains,
Obtaining corresponding phase control signal according to direct slope method, (direct slope method can refer to application number CN201210364084.8's
Utility model patent, title are as follows: a kind of confocal scanning imaging system and its aberration control method), phase controlling signal is applied
It is added on wave-front corrector, generates and the wavefront controller distortion that total wavefront distortion is calculated is opposite.
Relay lens module includes that 1# is totally reflected recessed hyperbolic mirror, 1# is totally reflected convex hyperbolic mirror, 1# fully-reflected plane mirror, 2#
Fully-reflected plane mirror, 2# are totally reflected convex hyperbolic mirror and 2# is totally reflected recessed hyperbolic mirror.In relay lens module, the biography of beacon beam
The propagation optical path for broadcasting optical path and laser transmitting laser beam is total to optical path.Wherein adaptive optics module transfer is to relay lens module
Laser beam propagation optical path be successively recessed hyperbolic mirror is totally reflected by 1#, 1# is totally reflected convex hyperbolic mirror, 1# total reflection
Plane mirror, 2# fully-reflected plane mirror, 2# are totally reflected convex hyperbolic mirror and 2# is totally reflected recessed hyperbolic mirror.Beacon in object module
The propagation optical path sequence that laser is transmitted to the beacon beam of relay lens module is: light beam successively passes through 2# and is totally reflected recessed hyperboloid
It is complete that mirror, 2# are totally reflected convex hyperbolic mirror, 2# fully-reflected plane mirror, 1# fully-reflected plane mirror, the convex hyperbolic mirror of 1# total reflection and 1#
Reflective concave hyperbolic mirror.Specifically, the Laser beam propagation of adaptive optics module transfer to relay lens module is extremely all-trans by 1#
It penetrates recessed hyperbolic mirror and 1# is totally reflected the off-axis telescopic system progress shrink beam of convex hyperbolic mirror composition.Laser beam after shrink beam
Successively after the fully-reflected plane mirror total reflection that the inclination of 45 degree of two sides is oppositely arranged, it is incident to and convex hyperbolic mirror is totally reflected by 2#
It is exported after being totally reflected the off-axis telescopic system of recessed hyperbolic mirror composition with 2#, the laser beam of output passes through downlink atmospheric turbulance
On space propagation to object module.
The beacon beam that beacon laser device is transmitted to relay lens module in object module, which is transmitted to, is totally reflected convex hyperboloid by 2#
The off-axis telescopic system that mirror and 2# are totally reflected recessed hyperbolic mirror composition carries out shrink beam.Beacon beam after shrink beam is successively by two sides
45 degree tilt be oppositely arranged fully-reflected plane mirror total reflection after, be incident to by 1# be totally reflected recessed hyperbolic mirror and 1# total reflection it is convex
It is exported after the off-axis telescopic system of hyperbolic mirror composition, the beacon beam of output is by uplink atmospheric turbulance space propagation to adaptive
Answer optical module.
The utility model provides a kind of simulator of above-mentioned aerostatics laser relay mirror system, comprising:
Emulation laser, generates laser beam；
Emulation adaptive optics module realizes the function of laser beam purification and correction atmospheric turbulance aberration；
Atmospheric turbulence simulation device generates atmospheric turbulance, simulates uplink atmospheric turbulance space and simulation downlink atmosphere is rapid
Fluid space；
Emulation relay lens module, simulates the relay lens module on aerostatics, realizes laser beam relay transmission；
Emulation object module is made of speckle analysis instrument and beacon laser device, it can be achieved that relay transmission is to object module
Locate the measurement of laser power and the generation of beacon beam.Wherein the wavelength of beacon beam is less than the wave of laser beam produced by laser
It is long.
Atmospheric turbulence simulation device includes uplink atmospheric turbulance generator and downlink atmospheric turbulance generator.Uplink atmosphere is rapid
Flow-generator generates laser beam from the emulation uplink road of adaptive optics module transfer to emulation relay lens module
Simulation uplink atmospheric turbulance space on diameter；Downlink atmospheric turbulance generator generates laser beam from emulation relay lens module
It is transferred to the simulation downlink atmospheric turbulance space on the downlink transmission path of emulation object module.Uplink atmospheric turbulance generator
Many with the adoptable product structure of downlink atmospheric turbulance generator, it is on 07 27th, 2011 that publication date, which such as can be used, public
The number of opening is utility model patent " hot-wind turbulence simulation device " Lai Shixian of CN102135467A.Uplink in the utility model
Atmospheric turbulance generator and downlink atmospheric turbulance generator are all made of device realization, and generation can measure and adjust atmospheric turbulance
The atmospheric turbulance of intensity.
The structure of adaptive optics module in emulation adaptive optics module and aerostatics laser relay mirror system is former
It manages identical.
The technical effect of the utility model:
The utility model has adaptive optics module, can under varying strength atmospheric turbulance, carry out beam cleanup and
Correct atmospheric turbulance aberration；And beacon laser device is placed at object module, can to adaptive optics module provide uplink and
The aberration information of downlink atmospheric turbulance.Its simulator has atmospheric turbulance and adaptive optics module, can be in varying strength
Under atmospheric turbulance, carries out beam cleanup and correct the analog simulation of atmospheric turbulance aberration.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model embodiment 1.
Fig. 2 is the light path schematic diagram of adaptive optics module in the utility model embodiment 2.
Fig. 3 is the light path schematic diagram of relay lens module in the utility model embodiment 3.
Fig. 4 is the structural schematic diagram of the utility model embodiment 4.
Fig. 5 is the structural schematic diagram of emulation object module in the utility model embodiment 5.
Figure label:
1, laser；2, adaptive optics module；3, relay lens module；4, object module；5, aerostatics；6, uplink atmosphere
Turbulent space；7, downlink atmospheric turbulance space；
21, tilting mirror；22, wave-front corrector；23,1# spectroscope；24, laser Wavefront sensor；25, beacon beam wavefront passes
Sensor；26, wavefront controller；
31,1# is totally reflected recessed hyperbolic mirror；32,1# is totally reflected convex hyperbolic mirror；33,1# fully-reflected plane mirror；34,2# is complete
Plane of reflection mirror；35,2# is totally reflected convex hyperbolic mirror；46,2# is totally reflected recessed hyperbolic mirror；
1 ', laser is used in emulation；2 ', emulation adaptive optics module；3 ', emulation relay lens module；4 ', emulation is used
Object module；6 ', uplink atmospheric turbulance space is simulated；7 ', downlink atmospheric turbulance space is simulated；
41 ', speckle analysis instrument, 42 ', beacon laser device.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only to explain this
Utility model is not used to limit the utility model.
It referring to Fig.1, is the structural schematic diagram of the utility model embodiment 1, a kind of aerostatics laser relay mirror system, including
Laser 1, adaptive optics module 2, relay lens module 3 and object module 4；Laser 1 and adaptive optics module 2 are put
It sets on ground, relay lens module 3 is placed on aerostatics 5；The laser beam that laser 1 is launched is through adaptive optics module 2
It realizes after being emitted after laser beam purifies and correct atmospheric turbulance aberration through the uplink atmosphere rapids on uplink transmission path
Fluid space 6 is transmitted to the relay lens module 3 on aerostatics 5, under relayed 3 focus emission of mirror module of laser beam passes through after coming out
Downlink atmospheric turbulance space 7 in row transmission path travels to object module 4.Laser beam is defined from laser to relay lens mould
Block is uplink transmission path；Relay lens module to object module is downlink transmission path.
The object module 4 is equipped with beacon laser device.Wherein the wavelength of beacon beam light beam is less than produced by laser and swashs
The wavelength of light light beam.
Fig. 2 is the light path schematic diagram of adaptive optics module in the utility model embodiment 2.Adaptive optics module includes
Tilting mirror 21, wave-front corrector 22,1# spectroscope 23, laser Wavefront sensor 24, beacon optical wavefront sensor 25 and wavefront control
Device 26 processed.The beacon beam that beacon laser device in object module 4 is launched is transferred to relay lens mould through downlink atmospheric turbulance space 7
Block 3 is transmitted to the 1# spectroscope in adaptive optics module 2 by uplink atmospheric turbulance space 6 again after reaching relay lens module 3
23, beacon optical wavefront sensor 25 receives the beacon beam transmitted from 1# spectroscope 23；The laser beam that laser 1 emits is through adaptive
The tilting mirror 21 in optical module 2, wave-front corrector 22 is answered to be transmitted to 1# spectroscope 23, wherein most laser beam is through 1# points
Light microscopic 23 reflects rear uplink atmospheric turbulance space 6 and is transmitted to relay lens module 3, and it is big to pass through downlink after relayed mirror module 3
Gas turbulent space 7 is transferred to object module 4.The fraction laser beam transmitted through spectroscope 23 is by laser Wavefront sensor
24 receive, after wavefront controller 26 is added laser Wavefront sensor 24 with the wave front data that beacon optical wavefront sensor 25 obtains
Total wavefront distortion is obtained, obtaining corresponding phase control signal according to direct slope method, (direct slope method can refer to application number
The utility model patent of CN201210364084.8, title are as follows: a kind of confocal scanning imaging system and its aberration control method),
Phase controlling signal is applied on wave-front corrector 22, generates and total wavefront distortion phase is calculated with wavefront controller 26
Anti- distortion.
Fig. 3 is the relay lens module light path schematic diagram in the utility model embodiment 3, and relay lens module 3 is all-trans including 1#
Penetrate recessed hyperbolic mirror 31,1# is totally reflected convex hyperbolic mirror 32,1# fully-reflected plane mirror 33,2# fully-reflected plane mirror 34,2# and is all-trans
It penetrates convex hyperbolic mirror 35 and 2# is totally reflected recessed hyperbolic mirror 36.In relay lens module 3, the propagation optical path and laser of beacon beam
The propagation optical path of transmitting laser beam is total to optical path.Wherein adaptive optics module 2 is transmitted to the laser beam of relay lens module 3
Propagating optical path sequence is: light beam is totally reflected recessed hyperbolic mirror 31 by 1#, 1# is totally reflected convex hyperbolic mirror 32,1# fully-reflected plane
Mirror 33,2# fully-reflected plane mirror 34,2# are totally reflected convex hyperbolic mirror 35 and 2# is totally reflected recessed hyperbolic mirror 36.In object module 4
The propagation optical path sequence that beacon laser device is transmitted to the beacon beam of relay lens module 3 is: light beam is totally reflected recessed hyperboloid by 2#
Mirror 36,2# are totally reflected convex hyperbolic mirror 35,2# fully-reflected plane mirror 34,1# fully-reflected plane mirror 33,1# and are totally reflected convex hyperboloid
Mirror 32 and 1# are totally reflected recessed hyperbolic mirror 31.Specifically, adaptive optics module 2 is transmitted to the laser beam of relay lens module 3,
It is transmitted to and recessed hyperbolic mirror 31 is totally reflected by 1# and 1# is totally reflected the off-axis telescopic system that convex hyperbolic mirror 32 forms and contracts
Beam.Laser beam after shrink beam successively after the fully-reflected plane mirror total reflection that the inclination of 45 degree of two sides is oppositely arranged, is incident to
By 2# be totally reflected convex hyperbolic mirror 35 and 2# be totally reflected the off-axis telescopic system that recessed hyperbolic mirror 36 forms after export, output
Laser beam is transmitted in object module 4 by downlink atmospheric turbulance space 7.
Beacon laser device is transmitted to the beacon beam of relay lens module 3 in object module 4, is transmitted to and is totally reflected convex hyperbolic by 2#
Face mirror 35 and 2# are totally reflected the off-axis telescopic system that recessed hyperbolic mirror 36 forms and carry out shrink beam.Beacon beam after shrink beam successively passes through
After crossing the fully-reflected plane mirror total reflection that the inclination of 45 degree of two sides is oppositely arranged, it is incident to and recessed hyperbolic mirror 31 and 1# is totally reflected by 1#
It is exported after being totally reflected the off-axis telescopic system that convex hyperbolic mirror 32 forms, the beacon beam of output passes through uplink atmospheric turbulance space
6 are transmitted to adaptive optics module 2.
It is the structural schematic diagram of the utility model embodiment 4 referring to Fig. 4.Embodiment 4 provides a kind of above-mentioned aerostatics laser
The simulator of relay mirror system, comprising:
Emulation laser 1 ', generates laser beam.
Emulation adaptive optics module 2 ' realizes the function of laser beam purification and correction atmospheric turbulance aberration.
Atmospheric turbulence simulation device generates atmospheric turbulance, simulates uplink atmospheric turbulance space 6 ' and simulation downlink atmosphere
Turbulent space 7 '.
Emulation relay lens module 3 ', simulates the relay lens module on aerostatics, realizes laser beam relay transmission.
Emulation object module 4 ', be made of speckle analysis instrument 41 ' and beacon laser device 42 ', it can be achieved that relay transmission extremely
The measurement of laser power and the generation of beacon beam at object module.Wherein the wavelength of beacon beam light beam is less than produced by laser
The wavelength of laser beam.
Atmospheric turbulence simulation device includes uplink atmospheric turbulance generator and downlink atmospheric turbulance generator.Uplink atmosphere is rapid
Flow-generator generates laser beam from the emulation uplink road of adaptive optics module transfer to emulation relay lens module
Simulation uplink atmospheric turbulance space on diameter；Downlink atmospheric turbulance generator generates laser beam from emulation relay lens module
It is transferred to the simulation downlink atmospheric turbulance space on the downlink transmission path of emulation object module.Uplink atmospheric turbulance generator
It is many with the adoptable product structure of downlink atmospheric turbulance generator.It is on 07 27th, 2011 that publication date, which such as can be used, open
Number be CN102135467A utility model patent " hot-wind turbulence simulation device " Lai Shixian.Uplink in the utility model is big
Gas turbulent flow generator and downlink atmospheric turbulance generator are all made of device realization, and generation can measure and to adjust atmospheric turbulance strong
The atmospheric turbulance of degree.
The structure of adaptive optics module 2 in emulation adaptive optics module 2 ' and aerostatics laser relay mirror system
Principle is identical.The light path schematic diagram of emulation adaptive optics module 2 ' is as shown in Figure 2.Emulation is same with adaptive optics module 2 '
Sample includes tilting mirror 21, wave-front corrector 22,1# spectroscope 23, laser Wavefront sensor 24,25 and of beacon optical wavefront sensor
Wavefront controller 26.The beacon beam that beacon laser device 42 of the emulation in object module 4 ' is launched is through simulating downlink atmospheric turbulance
Space 7 ' is transferred to emulation relay lens module 3 ', passes through simulation uplink atmospheric turbulance again after reaching emulation relay lens module 3 '
Space 6 ' is transmitted to the 1# spectroscope 23 in emulation adaptive optics module 2 ', and beacon optical wavefront sensor 25 is received from 1# points
The beacon beam that light microscopic 23 transmits；The laser beam that emulation is emitted with laser 1 ' is successively through in emulation adaptive optics module 2 '
Tilting mirror 21, wave-front corrector 22 be transmitted to 1# spectroscope 23, wherein most laser beam is reflected through 1# spectroscope 23
It is transmitted to emulation relay lens module 3 ' by simulating uplink atmospheric turbulance space 6 ' after coming, after emulation relay lens module 3 '
Emulation object module 4 ' is transferred to by simulating downlink atmospheric turbulance space 7 '.The fraction transmitted through spectroscope 23 swashs
Light light beam is received by laser Wavefront sensor 24, and wavefront controller 26 is laser Wavefront sensor 24 and beacon optical wavefront sensor
25 obtained wave front datas obtain total wavefront distortion after being added, and obtain corresponding phase control signal according to direct slope method
(direct slope method can refer to the utility model patent of application number CN201210364084.8, title are as follows: a kind of cofocus scanning imaging
System and its aberration control method), phase controlling signal is applied on wave-front corrector 22, is generated and wavefront controller 26
The opposite distortion of total wavefront distortion is calculated.
The emulation structural principle phase of relay lens module 3 ' and the relay lens module 3 in aerostatics laser relay mirror system
Together.The light path schematic diagram of emulation relay lens module 3 ' is as shown in Figure 3.Emulation equally includes that 1# is totally reflected with relay lens module 3 '
Recessed hyperbolic mirror 31,1# are totally reflected convex hyperbolic mirror 32,1# fully-reflected plane mirror 33,2# fully-reflected plane mirror 34,2# total reflection
Convex hyperbolic mirror 35 and 2# are totally reflected recessed hyperbolic mirror 36.In emulation in relay lens module 3 ', the propagation optical path of beacon beam with
The propagation optical path of laser transmitting laser beam is total to optical path.Wherein emulation is transmitted to emulation relaying with adaptive optics module 2 '
The propagation optical path sequence of the laser beam of mirror module 3 ' is: light beam is totally reflected recessed hyperbolic mirror 31, convex pair of 1# total reflection by 1#
Curved mirror 32,1# fully-reflected plane mirror 33,2# fully-reflected plane mirror 34,2# are totally reflected convex hyperbolic mirror 35 and 2# total reflection is recessed double
Curved mirror 36.Emulation is transmitted to the propagation light of the beacon beam of emulation relay lens module 3 ' with beacon laser device in object module 4 '
Road sequence is: light beam is totally reflected recessed hyperbolic mirror 36 by 2#, 2# is totally reflected convex hyperbolic mirror 35,2# fully-reflected plane mirror 34,
1# fully-reflected plane mirror 33,1# are totally reflected convex hyperbolic mirror 32 and 1# is totally reflected recessed hyperbolic mirror 31.Specifically, it emulates with adaptive
It answers optical module 2 ' to be transmitted to the laser beam of emulation relay lens module 3 ', is transmitted to and recessed 31 He of hyperbolic mirror is totally reflected by 1#
1# is totally reflected the off-axis telescopic system that convex hyperbolic mirror 32 forms and carries out shrink beam.Laser beam after shrink beam is successively by two sides
After 45 degree tilt the fully-reflected plane mirror total reflection being oppositely arranged, it is incident to and convex hyperbolic mirror 35 and 2# total reflection is totally reflected by 2#
It is exported after the off-axis telescopic system that recessed hyperbolic mirror 36 forms, the laser beam of output passes through simulation downlink atmospheric turbulance space
7 ' are transmitted on the speckle analysis instrument 41 ' in emulation object module 4 ', and speckle analysis instrument 41 ', which is used to measure, is transmitted to emulation use
The space-time characterisation of light beam in object module 4 '.
Emulation is transmitted to emulation with beacon laser device 42 ' in object module 4 ' and is transmitted to the beacon beam of relay lens module 3 '
Convex hyperbolic mirror 35 is totally reflected by 2# and 2# is totally reflected the off-axis telescopic system that recessed hyperbolic mirror 36 forms and carries out shrink beam.Shrink beam
Beacon beam afterwards successively after the fully-reflected plane mirror total reflection that the inclination of 45 degree of two sides is oppositely arranged, is incident to and is totally reflected by 1#
Recessed hyperbolic mirror 31 and 1# are exported after being totally reflected the off-axis telescopic system that convex hyperbolic mirror 32 forms, and the beacon beam of output passes through
Simulation uplink atmospheric turbulance space 6 ' is transmitted to emulation adaptive optics module 2 '.
The emulation mode of above-mentioned aerostatics relay mirror system simulator is as follows:
(1) parameter information of aerostatics laser relay mirror system to be emulated is determined:
The uplink distance z of relay lens module of the laser on from terrestrial transmission to aerostaticsup；Laser is from aerostatics
Relay lens module transfer to object module downlink transfer distance zdown；Laser center wavelength λ；Laser beam quality β；Swash
Light device emits diameter a；The reception diameter D of relay lens module1；The transmitting diameter D of relay lens module2；Wave-front corrector (distorting lens)
Number of unit Nb；Wavefront sensor sub-aperture number Nh；Atmospheric turbulance coherence length in uplink and downlink transmission path.
The parameter information of aerostatics laser relay mirror system to be emulated is as shown in table 1 in the present embodiment:
Table 1
(2) simulation parameter of aerostatics laser relay mirror system simulator corresponding with parameter each in step (1) is determined；
(2.1) laser center wavelength in aerostatics laser relay mirror system simulator, laser beam quality, wave
Preceding corrector number of unit, Wavefront sensor sub-aperture number are and in aerostatics relay mirror system to be emulated in step (1)
Corresponding parameter is identical.
(2.2) transmitting of the laser transmitting diameter in aerostatics relay mirror system to be emulated and relay lens module is determined
Diameter.
Set aerostatics laser relay mirror system simulator uplink distance and downlink transfer distance respectively with step
Suddenly in (1) the uplink distance and downlink transfer distance of aerostatics relay mirror system to be emulated ratio, such as 1/1000.Floating
The laser in laser center wavelength and aerostatics relay mirror system to be emulated in device laser relay mirror system simulator
Central wavelength is identical.Fresnel number is the ratio square with optical maser wavelength and transmission range product of beam diameter, reflects biography
Defeated distance influences the power of light intensity.Thus the laser transmitting that can be calculated in aerostatics laser relay mirror system simulator is straight
The transmitting diameter of diameter, relay lens module, so that the uplink transmission path and downlink of aerostatics laser relay mirror system simulator
Fresnel number is respectively and on the uplink transmission path and downlink transmission path of aerostatics relay mirror system to be emulated in transmission path
Fresnel number is identical.
(2.3) it according to beam Propagation rule, focuses the beam diameter being transmitted on relay lens module reception mirror and uplink passes
The beam quality of defeated distance and laser is directly proportional, is inversely proportional with the transmitting diameter of laser, is calculated in aerostatics laser
After the reception diameter of the relay lens module in mirror system emulation device should be aerostatics relay mirror system to be emulated in step (1)
The 1/10 of the transmitting diameter of its relay lens module.
(2.4) ratio of the atmospheric turbulance coherence length on beam diameter and transmission path, which reflects atmospheric turbulance, influences light
The power of beam.The simulator major parameter provided according to step 2 and 3 calculates uplink, the downlink transfer road for providing simulator
Atmospheric turbulance coherence length on diameter, so that this ratio on simulator and true aerostatics relay mirror system transmission path
It is identical.
(2.5) it is calculated under conditions of atmospheric turbulance is corrected by adaptive optics module completely according to beam Propagation rule
Relay lens module focuses the spot radius for being transmitted to object module；In order to effectively analyze the hot spot in beam Propagation to object module
Characteristic, emulation needs 2 greater than spot radius with the detector target surface radius of speckle analysis instrument in object module in simulator
Times, it needs to be greater than 2.6mm so detector target surface radius is calculated.
Using step (2.1) to (2.5), determining simulation parameter is as shown in table 2:
Table 2
(3) according to the simulation parameter determined in step (2), corresponding aerostatics relay mirror system simulator is constructed, is opened
The atmospheric turbulance environment for opening atmospheric turbulence simulation device simulation varying strength, is emulated.
The foregoing is merely the preferred embodiments of the utility model, are not intended to limit the utility model, for
For those skilled in the art, various modifications and changes may be made to the present invention.All spirit and original in the utility model
Within then, any modification, equivalent replacement, improvement and so on be should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of aerostatics laser relay mirror system, it is characterised in that: including laser, adaptive optics module, relay lens mould
Block and object module；Laser and adaptive optics module are placed on ground, and relay lens module is placed on aerostatics；Swash
The laser beam that light device is launched leads to after adaptive optics module realizes laser beam purification and correction atmospheric turbulance aberration
Cross the relay lens module on the uplink atmospheric turbulance space propagation to aerostatics on uplink transmission path, the relayed mirror of laser beam
Module focus emission passes through the downlink atmospheric turbulance spatial on downlink transmission path to object module after coming out.
2. aerostatics laser relay mirror system according to claim 1, it is characterised in that: the object module is equipped with letter
Laser is marked, for providing the aberration information of uplink and downlink atmospheric turbulance to adaptive optics module；Wherein beacon beam light beam
Wavelength be less than laser produced by laser beam wavelength.
3. aerostatics laser relay mirror system according to claim 2, it is characterised in that: adaptive optics module includes inclining
Oblique mirror, wave-front corrector, 1# spectroscope, laser Wavefront sensor, beacon optical wavefront sensor and wavefront controller；Object module
On the beacon beam launched of beacon laser device through downlink atmospheric turbulance space propagation to relay lens module, reach relay lens module
Afterwards again by 1# spectroscope of the uplink atmospheric turbulance space propagation into adaptive optics module, beacon optical wavefront sensor is received
The beacon beam transmitted from 1# spectroscope；The laser beam of laser transmitting is successively through tilting mirror, the wave in adaptive optics module
Preceding corrector is transmitted to 1# spectroscope, and wherein most laser beam passes through uplink atmospheric turbulance after 1# spectroscope reflects
Space propagation passes through downlink atmospheric turbulance space propagation to object module to relay lens module after relayed mirror module；Through being divided
The fraction laser beam that mirror transmits is received by laser Wavefront sensor, and wavefront controller is laser Wavefront sensor and letter
The wave front data that mark optical wavefront sensor obtains obtains total wavefront distortion after being added, and obtains corresponding phase according to direct slope method
Position control signal, phase controlling signal is applied on wave-front corrector, generates and total wave is calculated with wavefront controller
The opposite distortion of front-distortion.
4. aerostatics laser relay mirror system according to claim 3, it is characterised in that: relay lens module includes that 1# is all-trans
Penetrate recessed hyperbolic mirror, 1# is totally reflected convex hyperbolic mirror, 1# fully-reflected plane mirror, 2# fully-reflected plane mirror, 2# are totally reflected convex hyperbolic
Face mirror and 2# are totally reflected recessed hyperbolic mirror；In relay lens module, the propagation optical path and laser of beacon beam emit laser beam
Propagation optical path be total to optical path；Wherein the propagation optical path of laser beam of adaptive optics module transfer to relay lens module is successively
It is complete that recessed hyperbolic mirror, the convex hyperbolic mirror of 1# total reflection, 1# fully-reflected plane mirror, 2# fully-reflected plane mirror, 2# are totally reflected by 1#
It reflects convex hyperbolic mirror and 2# is totally reflected recessed hyperbolic mirror；Beacon laser device in object module is transmitted to the letter of relay lens module
The propagation optical path sequence for marking light is: light beam is totally reflected recessed hyperbolic mirror by 2#, 2# is totally reflected convex hyperbolic mirror, 2# total reflection is flat
Face mirror, 1# fully-reflected plane mirror, 1# are totally reflected convex hyperbolic mirror and 1# is totally reflected recessed hyperbolic mirror.
5. aerostatics laser relay mirror system according to claim 4, it is characterised in that: adaptive optics module transfer is extremely
The Laser beam propagation of relay lens module to recessed hyperbolic mirror is totally reflected by 1# and 1# be totally reflected convex hyperbolic mirror form it is off-axis
Telescopic system carries out shrink beam；The fully-reflected plane mirror that laser beam after shrink beam is successively oppositely arranged by the inclination of 45 degree of two sides
After total reflection, it is incident to and convex hyperbolic mirror is totally reflected by 2# and after 2# is totally reflected the off-axis telescopic system that recessed hyperbolic mirror forms
The laser beam of output, output passes through on downlink atmospheric turbulance space propagation to object module；
The beacon beam that beacon laser device is transmitted to relay lens module in object module be transmitted to by 2# be totally reflected convex hyperbolic mirror and
The off-axis telescopic system that 2# is totally reflected recessed hyperbolic mirror composition carries out shrink beam；Beacon beam after shrink beam is successively by 45 degree of two sides
After tilting the fully-reflected plane mirror total reflection being oppositely arranged, it is incident to and recessed hyperbolic mirror and the convex hyperbolic of 1# total reflection is totally reflected by 1#
Face microscope group at off-axis telescopic system after export, the beacon beam of output passes through uplink atmospheric turbulance space propagation to adaptive optical
Learn module.
6. the simulator of aerostatics laser relay mirror system as described in claim 1 characterized by comprising
Emulation laser, generates laser beam；
Emulation adaptive optics module realizes the function of laser beam purification and correction atmospheric turbulance aberration；
Atmospheric turbulence simulation device generates atmospheric turbulance, simulates uplink atmospheric turbulance space and simulation downlink atmospheric turbulance is empty
Between；
Emulation relay lens module, simulates the relay lens module on aerostatics, realizes laser beam relay transmission；
Emulation object module, is made of speckle analysis instrument and beacon laser device, it can be achieved that swashing at relay transmission to object module
The measurement of optical power and the generation of beacon beam；Wherein the wavelength of beacon beam light beam is less than the wave of laser beam produced by laser
It is long.
7. simulator according to claim 6, which is characterized in that atmospheric turbulence simulation device includes uplink atmospheric turbulance
Generator and downlink atmospheric turbulance generator, uplink atmospheric turbulance generator generate laser beam from emulation adaptive optics
Simulation uplink atmospheric turbulance space on module transfer to the uplink transmission path of emulation relay lens module；Downlink atmospheric turbulance
Generator generates laser beam from the mould on the downlink transmission path of emulation relay lens module transfer to emulation object module
Quasi- downlink atmospheric turbulance space.
8. simulator according to claim 6, which is characterized in that emulation adaptive optics module include tilting mirror,
Wave-front corrector, 1# spectroscope, laser Wavefront sensor, beacon optical wavefront sensor and wavefront controller；Emulation target mould
The beacon beam that beacon laser device on block is launched, to emulation relay lens module, is arrived through simulation downlink atmospheric turbulance space propagation
Again by simulation uplink atmospheric turbulance space propagation into emulation adaptive optics module after up to emulation relay lens module
1# spectroscope, beacon optical wavefront sensor receive the beacon beam transmitted from 1# spectroscope；The laser light that emulation is emitted with laser
Shu Yici, which is emulated, is transmitted to 1# spectroscope with tilting mirror, the wave-front corrector in adaptive optics module, and wherein most swashs
Light light beam is after 1# spectroscope reflects by simulating uplink atmospheric turbulance space propagation to emulation relay lens module, through imitative
Very with passing through simulation downlink atmospheric turbulance space propagation after relay lens module to emulation object module；It is transmitted through spectroscope
Fraction laser beam received by laser Wavefront sensor, wavefront controller passes laser Wavefront sensor and beacon beam wavefront
The wave front data that sensor obtains obtains total wavefront distortion after being added, and obtains corresponding phase controlling according to direct slope method and believes
Number, phase controlling signal is applied on wave-front corrector, generates and total wavefront distortion phase is calculated with wavefront controller
Anti- distortion.
9. simulator according to claim 8, which is characterized in that emulation relay lens module includes that 1# total reflection is recessed double
Curved mirror, 1# be totally reflected convex hyperbolic mirror, 1# fully-reflected plane mirror, 2# fully-reflected plane mirror, 2# be totally reflected convex hyperbolic mirror and
2# is totally reflected recessed hyperbolic mirror；In emulation in relay lens module, the propagation optical path and laser of beacon beam emit laser beam
Propagation optical path be total to optical path；The wherein biography of the emulation laser beam of adaptive optics module transfer to emulation relay lens module
Broadcasting optical path sequence is: light beam is totally reflected recessed hyperbolic mirror by 1#, 1# is totally reflected convex hyperbolic mirror, 1# fully-reflected plane mirror, 2#
Fully-reflected plane mirror, 2# are totally reflected convex hyperbolic mirror and 2# is totally reflected recessed hyperbolic mirror；Beacon laser in emulation object module
The propagation optical path sequence that device is transmitted to the beacon beam of emulation relay lens module is: light beam by 2# be totally reflected recessed hyperbolic mirror,
2# is totally reflected convex hyperbolic mirror, 2# fully-reflected plane mirror, 1# fully-reflected plane mirror, 1# and is totally reflected convex hyperbolic mirror and 1# total reflection
Recessed hyperbolic mirror.
10. simulator according to claim 9, which is characterized in that emulation adaptive optics module transfer to emulation
With the laser beam of relay lens module, be transmitted to recessed hyperbolic mirror is totally reflected by 1# and 1# is totally reflected that convex hyperbolic mirror forms from
Telescope shaft system carries out shrink beam；The fully-reflected plane that laser beam after shrink beam is successively oppositely arranged by the inclination of 45 degree of two sides
After mirror total reflection, it is incident to and convex hyperbolic mirror is totally reflected by 2# and 2# is totally reflected the off-axis telescopic system that recessed hyperbolic mirror forms
After export, the speckle analysis of the laser beam of output by simulation downlink atmospheric turbulance space propagation into emulation object module
On instrument, speckle analysis instrument is used to measure the space-time characterisation for being transmitted to light beam in emulation object module；
Emulation with beacon laser device in object module is transmitted to emulation and is transmitted to the beacon beam of relay lens module to be totally reflected by 2#
The off-axis telescopic system that convex hyperbolic mirror and 2# are totally reflected recessed hyperbolic mirror composition carries out shrink beam；Beacon beam after shrink beam is successively
After the fully-reflected plane mirror total reflection that the inclination of 45 degree of two sides is oppositely arranged, it is incident to and recessed hyperbolic mirror and 1# is totally reflected by 1#
It is exported after being totally reflected the off-axis telescopic system of convex hyperbolic mirror composition, the beacon beam of output is empty by simulation uplink atmospheric turbulance
Between be transmitted to emulation adaptive optics module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920598954.5U CN209640601U (en) | 2019-04-28 | 2019-04-28 | Aerostatics laser relay mirror system and its simulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920598954.5U CN209640601U (en) | 2019-04-28 | 2019-04-28 | Aerostatics laser relay mirror system and its simulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209640601U true CN209640601U (en) | 2019-11-15 |
Family
ID=68497932
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920598954.5U Active CN209640601U (en) | 2019-04-28 | 2019-04-28 | Aerostatics laser relay mirror system and its simulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209640601U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109960031A (en) * | 2019-04-28 | 2019-07-02 | 湖南谱峰光电有限公司 | Aerostatics laser relay mirror system and its simulator and emulation mode |
-
2019
- 2019-04-28 CN CN201920598954.5U patent/CN209640601U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109960031A (en) * | 2019-04-28 | 2019-07-02 | 湖南谱峰光电有限公司 | Aerostatics laser relay mirror system and its simulator and emulation mode |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Osborn et al. | Adaptive Optics pre-compensated laser uplink to LEO and GEO | |
| CN105530044B (en) | A kind of satellite-ground link laser turbulence transfer simulation and communication performance detection means | |
| CN102169048B (en) | Atmospheric turbulence detection simulator for adaptive optical system | |
| CN107655659B (en) | Laser communication terminal vacuum test system and test method thereof | |
| CN104037606A (en) | Distributed self-adaptive optical system based on optical fiber | |
| AU2012202214B2 (en) | Scintillation generator for simulation of aero-optical and atmospheric turbulence | |
| CN105866969B (en) | A kind of method of the raising laser far field hot spot uniformity based on light ladder | |
| CN209640601U (en) | Aerostatics laser relay mirror system and its simulator | |
| CN104539349A (en) | Multifunctional laser space communication ground test system and static parameter test method | |
| Béchet et al. | Beam shaping for laser-based adaptive optics in astronomy | |
| CN110657960B (en) | Image stabilization precision detection optical path system of large-view-field space astronomical telescope | |
| Wilks et al. | Modeling of adaptive-optics-based free-space communications systems | |
| CN103424750A (en) | Device and method for measuring atmospheric turbulence intensity profile by receiving laser beacon | |
| Thompson et al. | Free-space optical communications utilizing MEMS adaptive optics correction | |
| CN203376261U (en) | Real-time measurement device for off-axis atmosphere turbulence intensity profiles | |
| CN109960031A (en) | Aerostatics laser relay mirror system and its simulator and emulation mode | |
| CN115903547A (en) | Photoelectric countermeasure efficiency evaluation semi-physical simulation system and method | |
| Martinez | Atmospheric Pre-Compensation of Ground-to-Space Communications with Adaptive Optics: Past, Present and Future—A Field Review | |
| CN208335576U (en) | remote Fourier telescope imaging demonstration system | |
| Saathof et al. | Optical feeder link program and first adaptive optics test results | |
| CN104378157B (en) | Optical transmission simulation system based on CNT photodetector and analogy method thereof | |
| CN218156776U (en) | Atmospheric turbulence simulator | |
| Sergeyev et al. | Bootstrap beacon creation for overcoming the effects of beacon anisoplanatism in a laser beam projection system | |
| Belen'kii | Fundamental limitation in adaptive optics: how to eliminate it? A full-aperture tilt measurement technique with a laser guide star | |
| JP2544517B2 (en) | Laser transmission experimental device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: Room 502-24, No.1, No.2, No.3, no.6, Qingshan Road, high tech Development Zone, Changsha City, Hunan Province Patentee after: Hunan Spectrum Peak Photoelectric Co.,Ltd. Address before: 410000 Golden Eagle Cultural Creative Park, No. 6 Qingshan Road, Kaifu District, Changsha City, Hunan Province Patentee before: Hunan Spectrum Peak Photoelectric Co.,Ltd. |