CN105676409B - The adjusting method and regulating system of space optical camera principal reflection mirror and main frame - Google Patents
The adjusting method and regulating system of space optical camera principal reflection mirror and main frame Download PDFInfo
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- CN105676409B CN105676409B CN201610098399.0A CN201610098399A CN105676409B CN 105676409 B CN105676409 B CN 105676409B CN 201610098399 A CN201610098399 A CN 201610098399A CN 105676409 B CN105676409 B CN 105676409B
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- reflection mirror
- main frame
- principal reflection
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- interferometer
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/18—Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors
- G02B7/182—Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors for mirrors
Abstract
This application discloses a kind of space optical camera principal reflection mirror and the adjusting method and regulating system of main frame, wherein, the method specific steps include：Spherical wave is sent first with interferometer, in main frame Surface Creation alignment mark after the spherical wave illumination to the reference area of CGH compensators, the third adjustment frame is adjusted according to the position relationship of the alignment mark and the predeterminable area of the main frame and realizes precisely aligning for the main frame and CGH compensators；Then the form and the first detection data of the first interference fringe formed using the spherical wave adjust the first adjustment frame, realize precisely aligning for the interferometer and CGH compensators；The form and the second detection data of the second interference fringe finally formed using the spherical wave adjust the 4th adjustment frame, realize precisely aligning for the principal reflection mirror and CGH compensators, the error between system optics coordinate system and structure coordinate system is eliminated, improves the image quality of space optical camera.
Description
Technical field
The present invention relates to space optical remote field, more specifically to a kind of space optical camera principal reflection mirror with
The adjusting method and regulating system of main frame.
Background technology
Principal reflection mirror component is the primary optics of space optical camera, as shown in Figure 1,11 component of the principal reflection mirror
The principal reflection mirror 11 being connect including principal reflection mirror bottom plate 12 and with principal reflection mirror bottom plate 12；11 component of principal reflection mirror and institute
The main frame 13 for stating space optical camera is fixedly connected.
In the preparation process of the principal reflection mirror 11, since the texture material for preparing the principal reflection mirror 11 is hard, because
The principle of this generally use minute surface removal amount minimum is processed the principal reflection mirror 11, and without the principal reflection mirror 11 and
The mechanical references of its supporting mechanism (main frame 13) are processed, so as to cause institute after the completion of 11 process and assemble of principal reflection mirror
Principal reflection mirror 11 is stated not precisely align with the main frame 13, both the optical coordinate system of the space optical camera system and its
Structure coordinate system not fully overlaps, and there are certain errors.It, can be by described in the application process of the space optical camera
In error propagation to Optical remote satellite between optical coordinate system and structure coordinate system, so as to cause the space optical camera
Transmission function and terrestrial positioning precision reduce so that the space optical camera image quality decline.
Therefore, there is an urgent need for a kind of space optical camera principal reflection mirror 11 and the adjusting method of main frame 13, to eliminate the sky
Between error between optical camera optical coordinate system and structure coordinate system.
Invention content
In order to solve the above technical problems, a kind of adjusting the present invention provides space optical camera principal reflection mirror and main frame
Method and regulating system are processing to solve principal reflection mirror and are assembling the system optics coordinate system and structure coordinate that occur after the completion
There are problems that error between system.
In order to solve the above technical problems, an embodiment of the present invention provides following technical solutions：
The adjusting method of a kind of space optical camera principal reflection mirror and main frame, the principal reflection mirror connect with speculum bottom plate
It connects, as the principal reflection mirror component of the space optical camera, the adjusting method of space optical camera principal reflection mirror and main frame
Regulating system based on space optical camera principal reflection mirror and main frame, in the system, interferometer and the first adjustment frame into
Row is fixed, and computed hologram CGH compensators are fixed with second adjustment frame, and main frame is fixed with third adjustment frame, institute
State principal reflection mirror component and the 4th adjustment frame be fixed after be set on the third adjustment frame, the interferometer emits spherical surface
Wave side is set to towards the main frame, the CGH compensators between the interferometer and main frame；The method includes：
By the interferometer and the first adjustment frame, CGH compensators and second adjustment frame, main frame and third adjustment frame according to
Theoretical distance and height carry out coarse adjustment, to ensure the first adjustment frame, second adjustment frame, third adjustment frame and the 4th adjustment frame
Adjusting range meet accurate adjustment requirement；
Spherical wave is sent using interferometer, in main frame table after the reference area of the spherical wave illumination to CGH compensators
Face generates alignment mark, and the third tune is adjusted according to the position relationship of the alignment mark and the predeterminable area of the main frame
Whole frame realizes precisely aligning for the main frame and CGH compensators；
The spherical wave that interferometer is sent is returned after the reflection of the alignment area of the CGH compensators in the interferometer
Portion forms the first interference fringe, and the interferometer obtains the first detection data to first interference fringe analysis, according to described
The form of first interference fringe and the first detection data adjust the first adjustment frame, realize the interferometer and CGH compensators
Precisely align；
The spherical wave that interferometer is sent is through the principal reflection mirror area illumination on the CGH compensators to the principal reflection mirror
It is returned after upper and the second interference fringe is formed inside the interferometer, the interferometer obtains second interference fringe analysis the
Two detection datas adjust the 4th adjustment frame according to the form of second interference fringe and the second detection data, realize institute
State precisely aligning for principal reflection mirror and CGH compensators.
Preferably, after according to the form of second interference fringe and the second detection data adjusting the 4th adjustment frame
It further includes：
The distance between the main frame and the principal reflection mirror bottom plate each point are measured, is processed and led using the measurement data
The principal reflection mirror adjusting pad is set between the main frame and the principal reflection mirror bottom plate by reflector alignment pad, and will
The principal reflection mirror component, principal reflection mirror adjusting pad and main frame are fixed.
Preferably, the distance between the main frame and the principal reflection mirror bottom plate each point are measured, utilizes the measurement number
Include according to processing principal reflection mirror adjusting pad：
The distance between main frame and each tie point of principal reflection mirror bottom plate are measured as measurement data by the use of feeler gauge, by described in
Measurement data substitutes into structural theory model and calculates the distance between main frame and principal reflection mirror bottom plate and angular relationship, and with this
On the basis of carry out principal reflection mirror adjusting pad processing.
Preferably, spherical wave is sent using interferometer, in master after the reference area of the spherical wave illumination to CGH compensators
Frame table face generation alignment mark includes：
Spherical wave is sent using interferometer, is existed respectively after 4 sub- reference areas of the spherical wave illumination to CGH compensators
Inside 4 sub- predeterminable areas of main frame or periphery generates a crosshair；
The sub- predeterminable area surface, which has, portrays uniform grid lines.
Preferably, respectively in 4 sons of main frame after the spherical wave illumination to 4 sub- reference areas of CGH compensators
Inside predeterminable area or periphery generates a crosshair and includes：
According to the CGH compensators and the relative position relation of 4 sub- predeterminable areas, to the CGH compensators base
Light path corresponding to quasi- region carries out ray tracing and passes through numerical computations obtaining light path in the reference area needed for each point
Knots modification, the equal point of light path knots modification forms position phase contour in same diffraction region, and 4 sons on the main frame are pre-
If inside region or periphery surface respectively generates a crosshair.
Preferably, the interferometer obtains the first detection data to first interference fringe analysis and includes：
The interferometer analyzes first interference fringe, obtain first interference fringe spherical aberration, can it is poor,
Defocus and astigmatism data.
Preferably, the first adjustment frame is adjusted according to the form of first interference fringe and the first detection data, it is real
The existing interferometer and CGH compensators precisely align including：
It adjusts the first adjustment frame and observes the metamorphosis of first interference fringe, and after obtaining metamorphosis
The spherical aberration of first interference fringe, can poor, defocus and astigmatism data, until the spherical aberration of first interference fringe, understand poor, defocus and
Astigmatism is respectively less than preset value, realizes precisely aligning for the interferometer and CGH compensators.
Preferably, the interferometer obtains the second detection data to second interference fringe analysis and includes：
The interferometer analyzes second interference fringe, obtain second interference fringe spherical aberration, can it is poor,
Defocus and astigmatism data.
Preferably, the 4th adjustment frame is adjusted according to the form of second interference fringe and the second detection data, it is real
The existing principal reflection mirror and CGH compensators precisely align including：
It adjusts the 4th adjustment frame and observes the metamorphosis of second interference fringe, and after obtaining metamorphosis
The spherical aberration of second interference fringe, can poor, defocus and astigmatism data, until the spherical aberration of second interference fringe, understand poor, defocus and
Astigmatism is respectively less than preset value, realizes precisely aligning for the principal reflection mirror and CGH compensators.
The regulating system of a kind of space optical camera principal reflection mirror and main frame, the principal reflection mirror connect with speculum bottom plate
It connects, as the principal reflection mirror component of the space optical camera, the system comprises：
The first adjustment frame；
The interferometer being set on the first adjustment frame；
It is set to the second adjustment frame in the interferometer transmitting spherical wave direction；
The CGH compensators being set on the second adjustment frame；
It is set to the third adjustment frame that the CGH compensators deviate from the interferometer side；
The main frame being fixedly connected with the third adjustment frame；
The 4th adjustment frame being set on the third adjustment frame, the 4th adjustment frame are used to set the principal reflection mirror
Component.
It can be seen from the above technical proposal that an embodiment of the present invention provides a kind of space optical camera principal reflection mirror and masters
The adjusting method and regulating system of frame, wherein, the method realizes the space optics phase using interferometer and CGH compensators
Owner's speculum and main frame precisely align, and specific steps include：Spherical wave, the spherical wave are sent first with interferometer
It is irradiated to after the reference area of CGH compensators in main frame Surface Creation alignment mark, according to the alignment mark and the master
The position relationship adjusting third adjustment frame realization main frame of the predeterminable area of frame is accurate right with CGH compensators
It is accurate；Then the form and the first detection data of the first interference fringe formed using the spherical wave adjust the first adjustment
Frame realizes precisely aligning for the interferometer and CGH compensators；The second interference fringe finally formed using the spherical wave
Form and the second detection data adjust the 4th adjustment frame, realize precisely aligning for the principal reflection mirror and CGH compensators.Through
It crosses after above-mentioned steps adjusting, since the principal reflection mirror and main frame realize with CGH compensators precisely align respectively,
The principal reflection mirror with the main frame is also achieved and is precisely aligned indirectly, so as to eliminate the space optical camera optics
Error between coordinate system and structure coordinate system improves the image quality of the space optical camera.
Description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention, for those of ordinary skill in the art, without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is the structure diagram of space optical camera principal reflection mirror component and main frame；
Fig. 2 is the adjusting side of a kind of space optical camera principal reflection mirror that one embodiment of the application provides and main frame
The flow diagram of method；
Fig. 3 is the form schematic diagram of a kind of crosshair that one embodiment of the application provides；
Fig. 4 is the schematic diagram of a kind of sub- predeterminable area for portraying grid lines that one embodiment of the application provides；
Fig. 5 is the tune of a kind of space optical camera principal reflection mirror that the preferred embodiment of the application provides and main frame
The flow diagram of section method；
Fig. 6 is the adjusting system of a kind of space optical camera principal reflection mirror that one embodiment of the application provides and main frame
The structure diagram of system.
Specific embodiment
As described in background, when principal reflection mirror by processing be assembled into space optical camera after, the master
Speculum is not precisely aligned with the main frame, both the optical coordinate system of the space optical camera and its structure coordinate system it
Between there are error, and then the image quality of space optical camera is caused to decline.
In view of this, the embodiment of the present application provides the adjusting side of a kind of space optical camera principal reflection mirror and main frame
Method, the principal reflection mirror are connect with speculum bottom plate, as the principal reflection mirror component of the space optical camera, space optics phase
Regulating system of the adjusting method of owner's speculum and main frame based on space optical camera principal reflection mirror and main frame, described
In system, interferometer is fixed with the first adjustment frame, and computed hologram CGH compensators are fixed with second adjustment frame, main
Frame is fixed with third adjustment frame, and the principal reflection mirror component and the 4th adjustment frame are set to the third after being fixed
On adjustment frame, the interferometer emits spherical wave side towards the main frame, and the CGH compensators are set to the interferometer
Between main frame；As shown in Fig. 2, the method includes：
S101：The interferometer and the first adjustment frame, CGH compensators and second adjustment frame, main frame and third are adjusted
Frame carries out coarse adjustment according to theoretical distance and height, to ensure the first adjustment frame, second adjustment frame, third adjustment frame and the 4th
The adjusting range of adjustment frame meets accurate adjustment requirement；
S102：Spherical wave is sent using interferometer, in main frame after the reference area of the spherical wave illumination to CGH compensators
Frame Surface Creation alignment mark adjusts described the according to the position relationship of the alignment mark and the predeterminable area of the main frame
Three adjustment frames realize precisely aligning for the main frame and CGH compensators；
S103：The spherical wave that interferometer is sent returns described dry after the reflection of the alignment area of the CGH compensators
The first interference fringe is formed inside interferometer, the interferometer obtains the first detection data, root to first interference fringe analysis
The first adjustment frame is adjusted according to the form of first interference fringe and the first detection data, realizes the interferometer and CGH
Compensator precisely aligns；
S104：The spherical wave that interferometer is sent is through the principal reflection mirror area illumination on the CGH compensators to the master
It is returned after on speculum and the second interference fringe is formed inside the interferometer, the interferometer is to second interference fringe analysis
The second detection data is obtained, the 4th adjustment frame is adjusted according to the form of second interference fringe and the second detection data,
Realize precisely aligning for the principal reflection mirror and CGH compensators.
It can be seen from the above technical proposal that the embodiment of the present application provides a kind of space optical camera principal reflection mirror and master
The adjusting method of frame realizes the essence of the space optical camera principal reflection mirror and main frame using interferometer and CGH compensators
Really alignment, makes the principal reflection mirror and main frame be realized respectively with CGH compensators and precisely aligns, therefore institute based on above-mentioned steps
It states principal reflection mirror and is also achieved indirectly with the main frame and precisely aligned, sat so as to eliminate the space optical camera optics
Error between mark system and structure coordinate system improves the image quality of the space optical camera.
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work
Embodiment shall fall within the protection scope of the present invention.
The embodiment of the present application provides the adjusting method of a kind of space optical camera principal reflection mirror and main frame, and the master is anti-
It penetrates mirror to connect with speculum bottom plate, as the principal reflection mirror component of the space optical camera, space optical camera principal reflection mirror
With regulating system of the adjusting method based on space optical camera principal reflection mirror and main frame of main frame, in the system, do
Interferometer is fixed with the first adjustment frame, and computed hologram CGH compensators are fixed with second adjustment frame, main frame and third
Adjustment frame is fixed, and the principal reflection mirror component and the 4th adjustment frame are set to after being fixed on the third adjustment frame,
The interferometer emits spherical wave side towards the main frame, and the CGH compensators are set to the interferometer and main frame
Between.The flow chart of specific method is as shown in Figure 2.
Wherein, S101：By the interferometer and the first adjustment frame, CGH compensators and second adjustment frame, main frame and third
Adjustment frame according to theoretical distance and height carry out coarse adjustment, with ensure the first adjustment frame, second adjustment frame, third adjustment frame and
The adjusting range of 4th adjustment frame meets accurate adjustment requirement.
It should be noted that in one embodiment of the application, the first adjustment frame and third adjustment frame are three-dimensional
Adjustment frame, the second adjustment frame and the 4th adjustment frame are six-dimensional adjusting support.In another embodiment of the application, described
One adjustment frame, second adjustment frame, third adjustment frame and the 4th adjustment frame are six-dimensional adjusting support.The application does not limit this
It is fixed, specifically depending on actual conditions.
It should also be noted that, in the present embodiment, by adjusting the first adjustment frame, second adjustment frame and third tune
Whole frame realize the interferometer and the first adjustment frame, CGH compensators and second adjustment frame, main frame and third adjustment frame these three
The coarse adjustment of assembly, to ensure the adjustment amount in next fine tuning step in the first adjustment frame, second adjustment frame,
In the adjusting range of three adjustment frames and the 4th adjustment frame.Since the flow to the progress coarse adjustment of above three assembly and method have been
As it is known to those skilled in the art that this will not be repeated here by the application.
S102：Spherical wave is sent using interferometer, in main frame after the reference area of the spherical wave illumination to CGH compensators
Frame Surface Creation alignment mark adjusts described the according to the position relationship of the alignment mark and the predeterminable area of the main frame
Three adjustment frames realize precisely aligning for the main frame and CGH compensators.
On the basis of above-described embodiment, in one embodiment of the application, spherical wave is sent using interferometer, it is described
Include after spherical wave illumination to the reference area of CGH compensators in main frame Surface Creation alignment mark：
Spherical wave is sent using interferometer, is existed respectively after 4 sub- reference areas of the spherical wave illumination to CGH compensators
Inside 4 sub- predeterminable areas of main frame or periphery generates a crosshair；
The sub- predeterminable area surface, which has, portrays uniform grid lines.
It should be noted that in one embodiment of the application, when the crosshair positioned at described from predeterminable area
It realizes and precisely aligns during center, between main frame described in surface and CGH compensators.Portray the net on the sub- predeterminable area surface
Ruling is convenient for finding out the center whether crosshair is located at the sub- predeterminable area.
On the basis of above-described embodiment, in another embodiment of the application, the spherical wave illumination to CGH compensates
One crosshair of rear perimeter edge generation includes inside 4 sub- predeterminable areas of main frame respectively after 4 sub- reference areas of device：
According to the CGH compensators and the relative position relation of 4 sub- predeterminable areas, to the CGH compensators base
Light path corresponding to quasi- region carries out ray tracing and passes through numerical computations obtaining light path in the reference area needed for each point
Knots modification, the equal point of light path knots modification forms position phase contour in same diffraction region, and 4 sons on the main frame are pre-
If inside region or periphery surface respectively generates a crosshair.
It should be noted that the present embodiment provides only a kind of possible side in the main frame Surface Creation crosshair
Method, the application to generating the crosshair used by specific method do not limit, specifically depending on actual conditions.The application
One embodiment provide the possibility form of crosshair a kind of, as shown in Figure 3；The application another embodiment provides for one
Kind portrays the possibility form in the grid lines on the sub- predeterminable area surface, as shown in Figure 4.The application is big to the crosshair
The size or form of the grid of small, thickness and the formation grid lines do not limit, specifically depending on actual conditions.
It should also be noted that, in the present embodiment, after 4 crosshairs are formed on the main frame surface, pass through
It adjusts the third adjustment frame and changes the crosshair in the position on the main frame surface, when 4 crosshairs distinguish position
When at the centerline of the sub- predeterminable area grid lines of main frame 4, main frame described in surface and the essence of CGH compensators realization
Really alignment.
S103：The spherical wave that interferometer is sent returns described dry after the reflection of the alignment area of the CGH compensators
The first interference fringe is formed inside interferometer, the interferometer obtains the first detection data, root to first interference fringe analysis
The first adjustment frame is adjusted according to the form of first interference fringe and the first detection data, realizes the interferometer and CGH
Compensator precisely aligns.
On the basis of above-described embodiment, in another embodiment of the application, the interferometer is dry to described first
The first detection data of fringe analysis acquisition is related to include：
The interferometer analyzes first interference fringe, obtain first interference fringe spherical aberration, can it is poor,
Defocus and astigmatism data.
It should be noted that one embodiment of the application provide a kind of form according to first interference fringe and
First detection data adjusts the first adjustment frame, realizes the method precisely aligned of the interferometer and CGH compensators, packet
It includes：
It adjusts the first adjustment frame and observes the metamorphosis of first interference fringe, and after obtaining metamorphosis
The spherical aberration of first interference fringe, can poor, defocus and astigmatism data, until the spherical aberration of first interference fringe, understand poor, defocus and
Astigmatism is respectively less than preset value, realizes precisely aligning for the interferometer and CGH compensators.
It should be noted that in one embodiment of the application, the value range of the preset value is 0 μm -0.1 μm,
Including endpoint value.But the application does not limit the specific value of the preset value, as long as the preset value is close or equal to 0
μm, specifically depending on actual conditions.
S104：The spherical wave that interferometer is sent is through the principal reflection mirror area illumination on the CGH compensators to the master
It is returned after on speculum and the second interference fringe is formed inside the interferometer, the interferometer is to second interference fringe analysis
The second detection data is obtained, the 4th adjustment frame is adjusted according to the form of second interference fringe and the second detection data,
Realize precisely aligning for the principal reflection mirror and CGH compensators.
It should be noted that after step S104 is completed, due to the principal reflection mirror and main frame respectively with CGH compensators
It realizes and precisely aligns, therefore the principal reflection mirror with the main frame is also achieved and precisely aligned indirectly, so as to eliminate
Error between the optical coordinate system of the space optical camera and structure coordinate system, improve the space optical camera into
Image quality amount.
It is completed it should also be noted that, only used one cubing of CGH compensators during above-mentioned entire adjusting
The principal reflection mirror is aligned with the high-precision of main frame, the error that no cubing is replaced and brought, therefore the space optics phase
The degree of regulation of the adjusting method of owner's speculum and main frame is high, and with splendid engineering exploitativeness.
On the basis of above-described embodiment, in the further embodiment of the application, the interferometer is dry to described second
The second detection data of fringe analysis acquisition is related to include：
The interferometer analyzes second interference fringe, obtain second interference fringe spherical aberration, can it is poor,
Defocus and astigmatism data.
It should be noted that one embodiment of the application provide a kind of form according to second interference fringe and
Second detection data adjusts the 4th adjustment frame, realizes the method precisely aligned of the principal reflection mirror and CGH compensators, packet
It includes：
It adjusts the 4th adjustment frame and observes the metamorphosis of second interference fringe, and after obtaining metamorphosis
The spherical aberration of second interference fringe, can poor, defocus and astigmatism data, until the spherical aberration of second interference fringe, understand poor, defocus and
Astigmatism is respectively less than preset value, realizes precisely aligning for the principal reflection mirror and CGH compensators
Likewise, in one embodiment of the application, the value range of the preset value is 0 μm -0.1 μm, including end
Point value.But the application does not limit the specific value of the preset value, as long as the preset value is close or equal to 0 μm i.e.
Can, specifically depending on actual conditions.
On the basis of above-described embodiment, in the preferred embodiment of the application, as shown in figure 5, with reference to Fig. 2 shows
Method flow diagram, the 4th adjustment frame is adjusted according to the form of second interference fringe and the second detection data in S104
It further includes later：
S105：The distance between the main frame and the principal reflection mirror bottom plate each point are measured, utilizes the measurement data
Process principal reflection mirror adjusting pad, by the principal reflection mirror adjusting pad be set to the main frame and the principal reflection mirror bottom plate it
Between, and the principal reflection mirror component, principal reflection mirror adjusting pad and main frame are fixed.
On the basis of above-described embodiment, in the preferred embodiment of the application, by the principal reflection mirror component, master
Reflector alignment pad and main frame be fixed including：
The principal reflection mirror component, principal reflection mirror adjusting pad and main frame are fixed using bolt.
It should be noted that the purpose of step S105 is the opposite position between the fixed principal reflection mirror component and main frame
Relationship is put, avoids the space optical camera relative position relation of its principal reflection mirror and principal reflection mirror bottom plate in use
It changes, so that occurring error again between the optical coordinate system of the space optical camera and structure coordinate system.
It should also be noted that, the present embodiment provides only a kind of fix between the principal reflection mirror component and main frame
The feasible method of relative position relation, but relative position of the application to fixation between the principal reflection mirror component and main frame
Specific method does not limit used by relationship, specifically depending on actual conditions.
On the basis of above-described embodiment, in another preferred embodiment of the application, the main frame and institute are measured
The distance between principal reflection mirror bottom plate each point is stated, is included using measurement data processing principal reflection mirror adjusting pad：
The distance between main frame and each tie point of principal reflection mirror bottom plate are measured as measurement data by the use of feeler gauge, by described in
Measurement data substitutes into structural theory mode computation and goes out the distance between main frame and principal reflection mirror bottom plate and angular relationship, and with this
On the basis of carry out principal reflection mirror adjusting pad processing.
It should be noted that the application is used to measuring the distance between main frame and each tie point of principal reflection mirror bottom plate
The type of high-acruracy survey tool do not limit, specifically depending on actual conditions.
It should also be noted that, the principal reflection mirror adjusting pad being processed using the method that the present embodiment is provided can be very
The good gap agreed between the main frame and principal reflection mirror bottom plate, and bolt or other fixed forms are utilized by the main frame
Frame and principal reflection mirror component can ensure relative position relation between the main frame and principal reflection mirror not after being fixed
It can be changed easily.
Correspondingly, the embodiment of the present application additionally provides the adjusting system of a kind of space optical camera principal reflection mirror and main frame
System, as shown in fig. 6, the principal reflection mirror 71 is connect with speculum bottom plate 72, the principal reflection mirror as the space optical camera
Component 7, the system comprises：
The first adjustment frame 2；
The interferometer 1 being set on the first adjustment frame 2；
It is set to the second adjustment frame 4 that the interferometer 1 emits spherical wave direction；
The CGH compensators 3 being set on the second adjustment frame 4；
It is set to the third adjustment frame 6 that the CGH compensators 3 deviate from 1 side of interferometer；
The main frame 5 being fixedly connected with the third adjustment frame 6；
The 4th adjustment frame 8 being set on the third adjustment frame 6, the 4th adjustment frame 8 are used to set the master anti-
Penetrate mirror assembly 7.
In conclusion a kind of adjusting an embodiment of the present invention provides space optical camera principal reflection mirror 71 and main frame 5
Method and regulating system, wherein, the method realizes the space optical camera principal reflection using interferometer 1 and CGH compensators 3
Mirror 71 is precisely aligned with main frame 5, and specific steps include：Spherical wave, the spherical wave illumination are sent first with interferometer 1
In 5 Surface Creation alignment mark of main frame after to the reference area of CGH compensators 3, according to the alignment mark and the main frame
The position relationship of the predeterminable area of frame 5 adjusts the third adjustment frame 6 and realizes the accurate right of the main frame 5 and CGH compensators 3
It is accurate；Then the form and the first detection data of the first interference fringe formed using the spherical wave adjust the first adjustment frame
2, realize precisely aligning for the interferometer 1 and CGH compensators 3；The second interference fringe finally formed using the spherical wave
Form and the second detection data adjust the 4th adjustment frame 8, realize the accurate of the principal reflection mirror 71 and CGH compensators 3
Alignment.After being adjusted by above-mentioned steps, since the principal reflection mirror 71 and main frame 5 realize essence with CGH compensators 3 respectively
Really alignment, therefore the principal reflection mirror 71 with the main frame 5 is also achieved and is precisely aligned indirectly, so as to eliminate the sky
Between error between optical camera optical coordinate system and structure coordinate system, improve the image quality of the space optical camera.
Each embodiment is described by the way of progressive in this specification, the highlights of each of the examples are with other
The difference of embodiment, just to refer each other for identical similar portion between each embodiment.
The foregoing description of the disclosed embodiments enables professional and technical personnel in the field to realize or use the present invention.
A variety of modifications of these embodiments will be apparent for those skilled in the art, it is as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, it is of the invention
The embodiments shown herein is not intended to be limited to, and is to fit to and the principles and novel features disclosed herein phase one
The most wide range caused.
Claims (9)
1. the adjusting method of a kind of space optical camera principal reflection mirror and main frame, the principal reflection mirror connects with speculum bottom plate
It connects, the principal reflection mirror component as the space optical camera, which is characterized in that space optical camera principal reflection mirror and main frame
Regulating system of the adjusting method based on space optical camera principal reflection mirror and main frame, in the system, interferometer and
One adjustment frame is fixed, and computed hologram CGH compensators are fixed with second adjustment frame, main frame and third adjustment frame into
Row fixation, the principal reflection mirror component and the 4th adjustment frame are set to after being fixed on the third adjustment frame, the interference
Instrument emits spherical wave side towards the main frame, and the CGH compensators are set between the interferometer and main frame；It is described
Method includes：
By the interferometer and the first adjustment frame, CGH compensators and second adjustment frame, main frame and third adjustment frame according to theory
Distance and height carry out coarse adjustment, to ensure the first adjustment frame, second adjustment frame, third adjustment frame and the tune of the 4th adjustment frame
Whole range meets accurate adjustment requirement；
Spherical wave is sent using interferometer, is given birth to after the reference area of the spherical wave illumination to CGH compensators on main frame surface
Into alignment mark, the third is adjusted according to the position relationship of the alignment mark and the predeterminable area of the main frame and is adjusted
Frame realizes precisely aligning for the main frame and CGH compensators；
The spherical wave that interferometer is sent returns to shape inside the interferometer after the reflection of the alignment area of the CGH compensators
Into the first interference fringe, the interferometer obtains the first detection data to first interference fringe analysis, according to described first
The form of interference fringe and the first detection data adjust the first adjustment frame, realize the essence of the interferometer and CGH compensators
Really alignment；
The spherical wave that interferometer is sent is through after in the principal reflection mirror area illumination to the principal reflection mirror on the CGH compensators
It returns and the second interference fringe is formed inside the interferometer, the interferometer obtains second interference fringe analysis the second inspection
Measured data adjusts the 4th adjustment frame according to the form of second interference fringe and the second detection data, realizes the master
Speculum and CGH compensators precisely align；
The distance between the main frame and the principal reflection mirror bottom plate each point are measured, principal reflection is processed using the measurement data
The principal reflection mirror adjusting pad is set between the main frame and the principal reflection mirror bottom plate by mirror adjusting pad, and by described in
Principal reflection mirror component, principal reflection mirror adjusting pad and main frame are fixed.
2. the adjusting method of space optical camera principal reflection mirror according to claim 1 and main frame, which is characterized in that survey
The distance between the main frame and the principal reflection mirror bottom plate each point are measured, is adjusted using measurement data processing principal reflection mirror
Pad includes：
The distance between main frame and each tie point of principal reflection mirror bottom plate are measured as measurement data by the use of feeler gauge, by the measurement
Data substitute into structural theory model and calculate the distance between main frame and principal reflection mirror bottom plate and angular relationship, and as base
Standard carries out the processing of principal reflection mirror adjusting pad.
3. the adjusting method of space optical camera principal reflection mirror according to claim 1 and main frame, which is characterized in that profit
Spherical wave is sent with interferometer, is aligned after the reference area of the spherical wave illumination to CGH compensators in main frame Surface Creation
Label includes：
Spherical wave is sent using interferometer, respectively in main frame after 4 sub- reference areas of the spherical wave illumination to CGH compensators
Inside 4 sub- predeterminable areas of frame or periphery generates a crosshair；
The sub- predeterminable area surface, which has, portrays uniform grid lines.
4. the adjusting method of space optical camera principal reflection mirror according to claim 3 and main frame, which is characterized in that institute
It states after spherical wave illumination to 4 sub- reference areas of CGH compensators respectively inside 4 sub- predeterminable areas of main frame or periphery
One crosshair of generation includes：
According to the CGH compensators and the relative position relation of 4 sub- predeterminable areas, to the CGH compensators reference region
Light path corresponding to domain carries out ray tracing and passes through the light path that numerical computations are obtained in the reference area needed for each point changing
It measures, the equal point of light path knots modification forms position phase contour, 4 sub- preset areas on the main frame in same diffraction region
Inside domain or periphery surface respectively generates a crosshair.
5. the adjusting method of space optical camera principal reflection mirror according to claim 1 and main frame, which is characterized in that institute
Interferometer is stated to include the first detection data of first interference fringe analysis acquisition：
The interferometer analyzes first interference fringe, obtains spherical aberration, the poor, defocus of meeting of first interference fringe
With astigmatism data.
6. the adjusting method of space optical camera principal reflection mirror according to claim 5 and main frame, which is characterized in that root
The first adjustment frame is adjusted according to the form of first interference fringe and the first detection data, realizes the interferometer and CGH
Compensator precisely align including：
Adjust the first adjustment frame and observe the metamorphosis of first interference fringe, and obtain after metamorphosis first
Spherical aberration, the poor, defocus of meeting and the astigmatism data of interference fringe, until the spherical aberration of first interference fringe, the poor, defocus of meeting and astigmatism
Respectively less than preset value realizes precisely aligning for the interferometer and CGH compensators.
7. the adjusting method of space optical camera principal reflection mirror according to claim 1 and main frame, which is characterized in that institute
Interferometer is stated to include the second detection data of second interference fringe analysis acquisition：
The interferometer analyzes second interference fringe, obtains spherical aberration, the poor, defocus of meeting of second interference fringe
With astigmatism data.
8. the adjusting method of space optical camera principal reflection mirror according to claim 7 and main frame, which is characterized in that root
Adjust the 4th adjustment frame according to the form of second interference fringe and the second detection data, realize the principal reflection mirror and
CGH compensators precisely align including：
Adjust the 4th adjustment frame and observe the metamorphosis of second interference fringe, and obtain after metamorphosis second
Spherical aberration, the poor, defocus of meeting and the astigmatism data of interference fringe, until the spherical aberration of second interference fringe, the poor, defocus of meeting and astigmatism
Respectively less than preset value realizes precisely aligning for the principal reflection mirror and CGH compensators.
9. the regulating system of a kind of space optical camera principal reflection mirror and main frame, the principal reflection mirror connects with speculum bottom plate
It connects, the principal reflection mirror component as the space optical camera, which is characterized in that the system comprises：
The first adjustment frame；
The interferometer being set on the first adjustment frame；
It is set to the second adjustment frame in the interferometer transmitting spherical wave direction；
The CGH compensators being set on the second adjustment frame；
It is set to the third adjustment frame that the CGH compensators deviate from the interferometer side；
The main frame being fixedly connected with the third adjustment frame；
The 4th adjustment frame being set on the third adjustment frame, the 4th adjustment frame are used to set the principal reflection microscope group
Part.
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| CN107907307A (en) * | 2017-11-09 | 2018-04-13 | 成都精密光学工程研究中心 | A kind of measuring device and method of wedge-shaped lens transmission wavefront |
| CN109324421A (en) * | 2018-12-06 | 2019-02-12 | 中国航空工业集团公司洛阳电光设备研究所 | A kind of debugging device and Method of Adjustment of off-axis formula optical system light path |
| CN113820104A (en) * | 2021-09-18 | 2021-12-21 | 中国科学院长春光学精密机械与物理研究所 | Method for adjusting interference inspection light path of meniscus lens |
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