CN106768858A - A kind of background continuously adjustabe asterism continuous variable formula star chart generating means - Google Patents
A kind of background continuously adjustabe asterism continuous variable formula star chart generating means Download PDFInfo
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- CN106768858A CN106768858A CN201611114756.4A CN201611114756A CN106768858A CN 106768858 A CN106768858 A CN 106768858A CN 201611114756 A CN201611114756 A CN 201611114756A CN 106768858 A CN106768858 A CN 106768858A
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- lcos
- dazzling screen
- lens barrel
- veiling glare
- diffusion lens
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/30—Collimators
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Optical Elements Other Than Lenses (AREA)
- Telescopes (AREA)
Abstract
The invention discloses a kind of background continuously adjustabe asterism continuous variable formula star chart generating means, spread lens barrel III and constituted by collimating optical system, triangular prism, LCOS I, LCOS II, anti-dazzling screen I, anti-dazzling screen II, attenuator, polarizer, collimated light source, suppression veiling glare diffusion lens barrel I, suppression veiling glare diffusion lens barrel II and suppression veiling glare.LCOS I, LCOS II, anti-dazzling screen I and anti-dazzling screen II are by after the effect of collimating optical system, being collectively forming the star map image of background continuously adjustabe asterism continuous variable.
Description
Technical field
The present invention relates to photoelectric instrument designing technique, more particularly to a kind of background continuously adjustabe asterism continuous variable formula star chart
Generating means.
Background technology
With the development of China's means of optical navigation technique, to the required precision more and more higher of optical imagery sensor, applied field
Close also more and more extensive.Especially in spacecrafts rendezvous test, two spacecrafts are close to and are docked with octuple speed faster than bullet
Unification, such optical imagery sensor for needing precision higher that crosses.And high-precision optical is entering space into image sensor
Before work, it is necessary to carry out complete observation experiment on ground.
Star chart generating means is that optical imagery sensor carries out one of important composition equipment of Laboratory Observation experiment.Star chart
Generating means is different according to star chart occurring principle, is divided into the fixed star chart generating means of the adjustable asterism of background and background fixes asterism
Continuous adjustable star chart generating means.Former star chart generating means is limited by operation principle cannot realize asterism continuously adjustabe,
But because asterism is fixed can prepare asterism by laser writing technology, so that asterism positional precision higher is obtained, better than ± 1 μ
m;Latter star chart generating means overcome caused by first two star chart generating means operation principle asterism cannot continuously adjustabe, lead to
Cross by the use of LCD, LCOS and DMD as star chart display device, the star chart for realizing asterism continuously adjustabe occurs, but by display device
Pixel Dimensions limitation, asterism positional precision is high, better than ± 10 μm, meanwhile, limited by operation principle, can only realize that background is consolidated
Fixed star chart occurs.
Needs are tested, it is necessary to a kind of star chart is filled into the Laboratory Observation of image sensor in order to meet high-precision optical
Put, the characteristics of the asterism positional precision not only with the fixed star chart generating means of the adjustable asterism of background is high, background is adjustable, while
The characteristics of asterism position continuously adjustabe of asterism continuous adjustable star chart generating means being fixed with background.
The content of the invention
Patent of the present invention is directed to the problem of prior art presence, designs a kind of background continuously adjustabe asterism continuous variable formula
Star chart generating means.Asterism continuously adjustabe, background cannot be realized for the fixed star chart generating means of the adjustable asterism of existing background
Fixed asterism continuous adjustable star chart generating means is limited by the Pixel Dimensions of display device, and asterism positional precision is not high to be lacked
Fall into, propose using collimating optical system, triangular prism, LCOS I, LCOS II, anti-dazzling screen I, anti-dazzling screen II, attenuator, polarizer,
Collimated light source, suppression veiling glare diffusion lens barrel I, suppression veiling glare diffusion lens barrel II, suppression veiling glare spread lens barrel III, and building can
Realize the star chart generating means of background continuously adjustabe asterism continuous variable, background continuously adjustabe in the range of 0-0.5Sb, asterism
The continuous variable in the range of -2Mv-+6Mv.
The present invention solves the technical scheme that is used of prior art problem:Design a kind of background continuously adjustabe asterism continuous
Type variable star chart generating means, by the collimating optical system, triangular prism, the LCOS I, the LCOS II, described
Anti-dazzling screen I, the anti-dazzling screen II, the attenuator, the polarizer, the collimated light source, suppression veiling glare diffusion mirror
Cylinder I, the suppression veiling glare diffusion lens barrel II and the suppression veiling glare diffusion lens barrel III are constituted.
The collimating optical system, the triangular prism, the LCOS II, the anti-dazzling screen II and the suppression veiling glare
Diffusion lens barrel II is placed in same light path.Wherein, the triangular prism, the triangle are set behind the collimating optical system
The LCOS II and the anti-dazzling screen II are arranged side by side behind prism, and the LCOS II and the anti-dazzling screen II are respectively positioned on institute
The first position of focal plane of collimating optical system is stated, the suppression veiling glare is set behind the LCOS II and the anti-dazzling screen II
Diffusion lens barrel II, and the suppression veiling glare diffusion lens barrel II encases the LCOS II and the anti-dazzling screen II and with described three
Angle prism is closely connected.
The attenuator, the LCOS I, the anti-dazzling screen I and the suppression veiling glare diffusion lens barrel I are placed in and the standard
On the vertical conjugated optical channels of straight optical system light path.Wherein, the conjugated optical channels vertical with the collimating optical system light path
On, and the attenuator is set behind the collimating optical system, the LCOS I is arranged side by side behind the attenuator
With the anti-dazzling screen I, and the LCOS I and the anti-dazzling screen I are respectively positioned on the vertical conjugate focal planes of the collimating optical system i.e.
The suppression veiling glare diffusion lens barrel I, and the suppression are set behind the second position of focal plane, the LCOS I and the anti-dazzling screen I
The LCOS I and the anti-dazzling screen I are encased and are closely connected with the triangular prism by veiling glare diffusion lens barrel I processed.
The polarizer, the collimated light source and the suppression veiling glare diffusion lens barrel III are placed in and the collimating optics system
System light path is vertically below in light path.Wherein, in the lower section light path vertical with the collimating optical system light path, and in institute
State and set behind collimating optical system the polarizer, the collimated light source, the collimation are set behind the polarizer
The suppression veiling glare diffusion lens barrel III is set behind light source, and the suppression veiling glare spreads lens barrel III by the polarizer
Encased with the collimated light source and be closely connected with the triangular prism.
When using, light beam is sent by after the effect of the polarizer, being formed with polarization state by the collimated light source
Collimated light beam;By the effect of the triangular prism, a part of collimated light beam passes through the triangular prism, then by described
Attenuator, lights the LCOS I and the anti-dazzling screen I;Collimated light beam described in another part is anti-through the hypotenuse of the triangular prism
Penetrate, light the LCOS II and the anti-dazzling screen II;The LCOS I and the anti-dazzling screen I being lit are placed in the collimated light
First focal plane of system, by after the effect of the attenuator, it is ensured that the LCOS I and LCOS II has phase
Same emanated energy;The LCOS II and the anti-dazzling screen II being lit are placed in second Jiao of the collimating optical system
Face;The LCOS I, the anti-dazzling screen I, the LCOS II and the anti-dazzling screen II by the collimating optical system effect
Afterwards, the LCOS I and the LCOS II are collectively forming a width star chart, and the anti-dazzling screen I and the anti-dazzling screen II are collectively forming one
Width background, the star chart and background superposition turn into a width background continuously adjustabe asterism continuous variable star map image.
Wherein, the suppression veiling glare diffusion lens barrel I is used to install the LCOS I, the anti-dazzling screen I and the decay
Piece, it is ensured that after the collimated light source with polarization state enters the suppression veiling glare diffusion lens barrel I, only play illumination described
The effect of LCOS I, other veiling glares are absorbed by the suppression veiling glare diffusion lens barrel I, will not be imaged into light path impact, and isolate
Outside veiling glare;The suppression veiling glare diffusion lens barrel II is used to install the LCOS II and the anti-dazzling screen II, it is ensured that with inclined
After the collimated light source of polarization state enters the suppression veiling glare diffusion lens barrel II, only play a part of the illumination LCOS II,
Other veiling glares are absorbed by the suppression veiling glare diffusion lens barrel II, will not be imaged into the light path impact, and isolate outside miscellaneous
Light;The suppression veiling glare diffusion lens barrel III is used to install the polarizer and the collimated light source, it is ensured that the collimated light source
Veiling glare, the outside veiling glare of isolation will not be sent out with by the collimated light beam of the polarizer.
In sum, a kind of background continuously adjustabe asterism continuous variable formula star chart generating means of the invention is main by collimated light
System, triangular prism, LCOS I, LCOS II, anti-dazzling screen I, anti-dazzling screen II, attenuator, polarizer, collimated light source, suppression are spuious
Light diffusion lens barrel I, suppression veiling glare diffusion lens barrel II and suppression veiling glare diffusion lens barrel III are constituted.A kind of background of the present invention is continuous
Adjustable asterism continuous variable formula star chart generating means is available for high-precision optical to carry out complete observation on ground into image sensor trying
Test, and self structure is simple, debug convenience, assembly can use repeatedly.
Brief description of the drawings
Fig. 1 is a kind of group of background continuously adjustabe asterism continuous variable formula star chart generating means provided in an embodiment of the present invention
Into and structural representation;
Reference:1 --- collimating optical system;2 --- triangular prism;3——LCOSⅠ;4——LCOSⅡ;5 --- hide
Mating plate I;6 --- anti-dazzling screen II;7 --- attenuator;8 --- polarizer;9 --- collimated light source;10 --- suppress veiling glare and expand
Dissipate lens barrel I;11 --- suppress veiling glare diffusion lens barrel II;12 --- suppress veiling glare diffusion lens barrel III.
Specific embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention,
Technical scheme in the embodiment of the present invention is clearly and completely described.It should be noted that in accompanying drawing or specification,
Similar or identical element all uses identical reference.
Fig. 1 is a kind of background continuously adjustabe asterism continuous variable formula star chart generating means provided in an embodiment of the present invention.It is main
Will be by collimating optical system 1, triangular prism 2, LCOS I 3, LCOS II 4, anti-dazzling screen I 5, anti-dazzling screen II 6, attenuator 7, polarizer
8th, collimated light source 9, suppression veiling glare diffusion lens barrel I 10, suppression veiling glare diffusion lens barrel II 11, suppression veiling glare spread lens barrel III
12 compositions, are capable of achieving the star chart generating means of background continuously adjustabe asterism continuous variable, and background continuously may be used in the range of 0-0.5Sb
Adjust, asterism continuous variable in the range of -2Mv-+6Mv.
Collimating optical system 1, triangular prism 2, LCOS II 4, anti-dazzling screen II 6 and suppression veiling glare diffusion lens barrel II 11 are placed in
In same light path.Wherein, triangular prism 2 is set behind collimating optical system 1, LCOS is arranged side by side behind triangular prism 2
II 4 and anti-dazzling screen II 6, and LCOS II 4 and anti-dazzling screen II 6 are respectively positioned on the first position of focal plane of collimating optical system 1, LCOS II 4
Suppress veiling glare diffusion lens barrel II 11 with being set behind anti-dazzling screen II 6, and suppress veiling glare diffusion lens barrel II 11 by LCOS II 4
Encased with anti-dazzling screen II 6 and be closely connected with triangular prism 2.
Attenuator 7, LCOS I 3, anti-dazzling screen I 5 and suppression veiling glare diffusion lens barrel I 10 are placed in and the light path of collimating optical system 1
On vertical conjugated optical channels.Wherein, on the conjugated optical channels vertical with the light path of collimating optical system 1, and in collimating optical system 1
Attenuator 7 is set below, LCOS I 3 and anti-dazzling screen I 5, and LCOS I 3 and the equal position of anti-dazzling screen I 5 are arranged side by side behind attenuator 7
It is the second position of focal plane in the vertical conjugate focal planes of collimating optical system 1, is set behind LCOS I 3 and anti-dazzling screen I 5 and suppress miscellaneous
Astigmatism spreads lens barrel I 10, and suppression veiling glare diffusion lens barrel I 10 encases and tight with triangular prism 2 LCOS I 3 and anti-dazzling screen I 5
Close connection.
Polarizer 8, collimated light source 9 and suppression veiling glare diffusion lens barrel III 12 are placed in vertical with the light path of collimating optical system 1
Lower section light path on.Wherein, with the light path of collimating optical system 1 vertically below light path on, and behind collimating optical system 1
Polarizer 8 is set, collimated light source 9 is set behind polarizer 8, set behind collimated light source 9 and suppress veiling glare diffusion lens barrel
III 12, and suppress veiling glare diffusion lens barrel III 12 polarizer 8 and collimated light source 9 are encased and are closely connected with triangular prism 2.
When using, light beam is sent by after the effect of polarizer 8, forming the collimated light with polarization state by collimated light source 9
Beam;By the effect of triangular prism 2, a part of collimated light beam passes through triangular prism 2, then by attenuator 7, lights the Hes of LCOS I 3
Anti-dazzling screen I 5;Another part collimated light beam reflects through the hypotenuse of triangular prism 2, lights LCOS II 4 and anti-dazzling screen II 6;It is lit
LCOS I 3 and anti-dazzling screen I 5 be placed in the first focal plane of collimating optical system 1, by after the effect of attenuator 7, it is ensured that LCOS I
3 have identical emanated energy with LCOS II 4;The LCOS II 4 and anti-dazzling screen II 6 being lit are placed in the of collimating optical system 1
Two focal planes;LCOS I 3, anti-dazzling screen I 5, LCOS II 4 and anti-dazzling screen II 6 by after the effect of collimating optical system 1, the Hes of LCOS I 3
LCOS II 4 is collectively forming a width star chart, and anti-dazzling screen I 5 and anti-dazzling screen II 6 are collectively forming a width background, and star chart and background are superimposed as
It is a width background continuously adjustabe asterism continuous variable star map image.
Wherein, suppressing veiling glare diffusion lens barrel I 10 is used to install LCOS I 3, anti-dazzling screen I 5 and attenuator 7, it is ensured that with inclined
After the collimated light source 9 of polarization state enters suppression veiling glare diffusion lens barrel I 10, only play a part of to illuminate LCOS I 3, other veiling glare quilts
Suppress veiling glare diffusion lens barrel I 10 to absorb, will not be imaged into light path impact, and isolate outside veiling glare;Suppress veiling glare diffusion
Lens barrel II 11 is used to install LCOS II 4 and anti-dazzling screen II 6, it is ensured that the collimated light source 9 with polarization state enters suppression veiling glare and expands
After dissipating lens barrel II 11, only play a part of to illuminate LCOS II 4, other veiling glares are suppressed veiling glare diffusion lens barrel II 11 and absorb, no
Can be imaged into light path impact, and isolate outside veiling glare;Suppressing veiling glare diffusion lens barrel III 12 is used to install polarizer 8 and collimation
Light source 9, it is ensured that collimated light source 9 and the collimated light beam by polarizer 8 will not send out veiling glare, the outside veiling glare of isolation.
Finally it should be noted that:The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations;Although
The present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those within the art that:It still may be used
Modified with to the technical scheme described in previous embodiment, or equivalent is carried out to which part technical characteristic;And
These modifications are replaced, and do not make the spirit and model of the essence disengaging various embodiments of the present invention technical scheme of appropriate technical solution
Enclose..
Claims (3)
1. a kind of background continuously adjustabe asterism continuous variable formula star chart generating means, it is characterised in that
Including collimating optical system, triangular prism, LCOS I, LCOS II, anti-dazzling screen I, anti-dazzling screen II, attenuator, polarizer, standard
Direct light source, suppression veiling glare diffusion lens barrel I, suppression veiling glare diffusion lens barrel II and suppression veiling glare spread lens barrel III;
The collimating optical system, the triangular prism, the LCOS II, the anti-dazzling screen II and the suppression veiling glare diffusion
Lens barrel II is placed in same light path;
The triangular prism is set behind the collimating optical system, the LCOS is arranged side by side behind the triangular prism
II and the anti-dazzling screen II, and the LCOS II and the anti-dazzling screen II are respectively positioned on the first focal plane position of the collimating optical system
Put, the suppression veiling glare diffusion lens barrel II is set behind the LCOS II and the anti-dazzling screen II, and the suppression is spuious
The LCOS II and the anti-dazzling screen II are encased and are closely connected with the triangular prism by light diffusion lens barrel II;
The attenuator, the LCOS I, the anti-dazzling screen I and the suppression veiling glare diffusion lens barrel I are placed in and the collimated light
Learn on the vertical conjugated optical channels of system light path;
On the conjugated optical channels vertical with the collimating optical system light path, and set behind the collimating optical system
The attenuator, is arranged side by side the LCOS I and the anti-dazzling screen I, and the LCOS I and the screening behind the attenuator
Mating plate I is respectively positioned on vertical conjugate focal planes i.e. second position of focal plane of the collimating optical system, the LCOS I and the anti-dazzling screen
The suppression veiling glare diffusion lens barrel I is set behind I, and the suppression veiling glare diffusion lens barrel I is by the LCOS I and described
Anti-dazzling screen I is encased and is closely connected with the triangular prism;
The polarizer, the collimated light source and the suppression veiling glare diffusion lens barrel III are placed in and the collimating optical system light
Road is vertically below in light path;
In the lower section light path vertical with the collimating optical system light path, and set behind the collimating optical system
The polarizer, sets the collimated light source behind the polarizer, the suppression is set behind the collimated light source miscellaneous
Astigmatism spread lens barrel III, and it is described suppression veiling glare diffusion lens barrel III by the polarizer and the collimated light source encase and with institute
Triangular prism is stated closely to connect.
2. a kind of background continuously adjustabe asterism continuous variable formula star chart generating means according to claim 1, its feature exists
In,
Light beam is sent by after the effect of the polarizer, forming the collimated light beam with polarization state by the collimated light source;Through
The effect of the triangular prism is crossed, a part of collimated light beam passes through the triangular prism, then by the attenuator, lights
The LCOS I and the anti-dazzling screen I;Collimated light beam described in another part reflects through the hypotenuse of the triangular prism, lights described
LCOS II and the anti-dazzling screen II;The LCOS I and the anti-dazzling screen I being lit are placed in the described of the collimating optical system
First focal plane, by after the effect of the attenuator, it is ensured that the LCOS I and LCOS II has identical outgoing energy
Amount;The LCOS II and the anti-dazzling screen II being lit are placed in second focal plane of the collimating optical system;It is described
LCOS I, the anti-dazzling screen I, the LCOS II and the anti-dazzling screen II are described by after the effect of the collimating optical system
LCOS I and the LCOS II are collectively forming a width star chart, and the anti-dazzling screen I and the anti-dazzling screen II are collectively forming a width background,
The star chart and background superposition turn into a width background continuously adjustabe asterism continuous variable star map image.
3. a kind of background continuously adjustabe asterism continuous variable formula star chart generating means according to claim 1, its feature exists
In,
The suppression veiling glare diffusion lens barrel I is used for the installation LCOS I, the anti-dazzling screen I and the attenuator, it is ensured that have
After the collimated light source of polarization state enters the suppression veiling glare diffusion lens barrel I, only play a part of the illumination LCOS I,
Other veiling glares are absorbed by the suppression veiling glare diffusion lens barrel I, will not be imaged into light path impact, and isolate outside veiling glare;
The suppression veiling glare diffusion lens barrel II is used to install the LCOS II and the anti-dazzling screen II, it is ensured that with polarization state
After the collimated light source enters the suppression veiling glare diffusion lens barrel II, only play a part of the illumination LCOS II, other are miscellaneous
Light is absorbed by the suppression veiling glare diffusion lens barrel II, will not be imaged into light path impact, and isolate outside veiling glare;
The suppression veiling glare diffusion lens barrel III is used to install the polarizer and the collimated light source, it is ensured that the collimated light source
Veiling glare, the outside veiling glare of isolation will not be sent out with by the collimated light beam of the polarizer.
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CN201611114756.4A CN106768858B (en) | 2016-12-07 | 2016-12-07 | A kind of continuously adjustable asterism continuous variable formula star chart generating device of background |
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