CN112230367A - Accurate light beam converging device, light beam regulating and controlling method and sparse aperture imaging system - Google Patents
Accurate light beam converging device, light beam regulating and controlling method and sparse aperture imaging system Download PDFInfo
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- CN112230367A CN112230367A CN202011050557.8A CN202011050557A CN112230367A CN 112230367 A CN112230367 A CN 112230367A CN 202011050557 A CN202011050557 A CN 202011050557A CN 112230367 A CN112230367 A CN 112230367A
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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
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
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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
- G02B7/1822—Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors for mirrors comprising means for aligning the optical axis
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Abstract
The invention discloses a light beam accurate convergence device, a light beam regulation and control method and a sparse aperture imaging system, wherein the light beam accurate convergence device comprises a pyramid reflector, a plurality of plane reflectors arranged around the pyramid reflector, a base plate A and a base plate B which are oppositely arranged, each group of reflecting surfaces of the pyramid reflector are respectively parallel to the mirror surfaces of one group of plane reflectors, the base plate A and the base plate B are connected through a plurality of connecting pieces, and the connecting pieces comprise connecting columns arranged around the pyramid reflector and a plurality of connecting seats arranged around the peripheries of the plane reflectors; a group of pyramid reflectors are arranged on the opposite surface of the base plate A, each group of plane reflectors are connected with the opposite surface of the base plate A through a group of brackets, light through holes with the number equal to that of the plane reflectors are further arranged on the base plate A in a surrounding mode around the pyramid reflectors, and the axis of each group of light through holes penetrates through one group of plane reflectors; the light beam accurate convergence device is high in structural strength and accurate in convergence effect.
Description
Technical Field
The invention relates to the technical field of sparse aperture imaging, in particular to a light beam accurate convergence device, a light beam regulation and control method and a sparse aperture imaging system.
Background
The sparse aperture imaging technology utilizes a plurality of sub-telescopes which are arranged together in a certain mode to form a large-aperture optical imaging system so as to improve the imaging resolution; light rays in a plurality of sub telescopes in the sparse aperture imaging system need to be converged and synthesized through structures such as a light beam converging device, so that a clear interference image appears in the visual field of an observer.
Aiming at the convergence of a plurality of sub-telescopes, a group of plane reflectors are required to be arranged on an emergent light path of each group of sub-telescopes to converge light beams on a pyramid reflector at the center, in a traditional light beam converging device, the plane reflectors and the corner reflectors are independently installed respectively, and the light beam converging device is easy to deform under the action of external force, so that the plane reflectors and the corner reflectors are not arranged on one light path due to mutual dislocation, the converging effect of the converging device is influenced, and the imaging quality of the whole sparse aperture imaging system is further influenced.
Content of application
The invention aims to overcome the defects of the background art and provides a light beam accurate convergence device, a light beam regulation and control method and a sparse aperture imaging system with the light beam accurate convergence device.
The embodiment of the invention is realized by the following technical scheme:
accurate convergence device of light beam, including pyramid speculum and a plurality of plane reflection mirrors that encircle the pyramid speculum and set up, every group plane reflection of pyramid speculum respectively with a set of plane reflection mirror's mirror surface parallel, its characterized in that: the reflecting mirror is characterized by also comprising a bottom plate A and a bottom plate B which are oppositely arranged, wherein the bottom plate A and the bottom plate B are connected through a plurality of connecting pieces, and the connecting pieces comprise connecting columns arranged around the pyramid reflecting mirrors and a plurality of connecting seats arranged around the peripheries of the plane reflecting mirrors;
the device comprises a base plate A, a group of pyramid reflectors, a group of supports, a group of light through holes, a group of pyramid reflectors, a group of light through holes and a group of plane reflectors, wherein the pyramid reflectors are arranged on the opposite surface of the base plate A, each group of plane reflectors are connected with the opposite surface of the base plate A through the group of supports, the light through holes are arranged on the base plate A in a manner of surrounding the pyramid reflectors, the number of the light through holes is equal to that of the plane reflectors, the axis of each group of light through holes penetrates through the group of plane reflectors, and therefore.
In some preferred embodiments, the pyramid reflector is connected to the base plate a by a set of three-axis fine-tuning stages, the reflector being mounted on the table of the three-axis fine-tuning stages.
In some preferred embodiments, each set of the supports is provided with a set of micro-displacement platforms, and the plane mirror is arranged on the micro-displacement platforms.
In some preferred embodiments, the three-axis fine tuning platform and the pyramid reflector are connected through a mounting table; in the cone reflector, each group of edges and corners on one surface in contact with the table surface of the mounting table is provided with a group of pressing blocks so as to press the edges and corners on the table surface of the mounting table, and the pressing blocks are provided with pressing grooves matched with the edges and corners.
In some preferred embodiments, the first ends of the plurality of brackets are vertically installed on the opposite surface of the bottom plate a, the second ends of the brackets are bent towards the direction of the pyramid reflector to form a bent portion, and the micro displacement platform is disposed on the bent portion.
In some preferred embodiments, a flexible cushion layer is further arranged between the pyramid reflector and the mounting table.
In some preferred embodiments, the stent is invar.
In some preferred embodiments, the micro-displacement platform is a piezoelectric ceramic micro-displacement actuator.
The light beam regulating method of the light beam precise converging device comprises the following steps:
s1, mounting the pyramid reflectors on a bottom plate A, arranging brackets with the number equal to that of the plane reflectors around the pyramid reflectors, and mounting each group of reflectors on one group of brackets;
s2, adjusting the mounting position of each group of plane reflectors to enable the included angle between the axis of each group of light through holes and the line surface of the plane reflector surface through which the axis passes to be an angle;
s3, adjusting the position of the pyramid reflector to enable the incident light beams which are parallel to the axis of the light through holes and enter each group of light through holes to be sequentially reflected by the plane reflector and the pyramid reflector and then to be emitted in parallel to the incident light beams.
The light beam precise converging device is arranged in the sparse aperture imaging system.
The technical scheme of the embodiment of the invention at least has the following advantages and beneficial effects:
1. pyramid speculum and a plurality of plane speculum all set up between bottom plate A and bottom plate B, link to each other through a plurality of connecting pieces before bottom plate A and the bottom plate B simultaneously, a plurality of connecting pieces include the spliced pole that encircles the setting of pyramid speculum and encircle a plurality of connecting seats that a plurality of plane speculums periphery set up, pyramid speculum and plane speculum all receive the support of connecting piece all around, and bearing structure distributes evenly between bottom plate A and the bottom plate B, and reasonable in design is difficult for taking place to warp when receiving external effect, stable in structure.
2. The pyramid reflecting mirror and the plane reflecting mirrors are arranged on the bottom plate A, and compared with the mode that the pyramid reflecting mirror and the plane reflecting mirrors are installed independently, when the convergence device slightly deforms, the surface of the bottom plate A is extruded, the pyramid reflecting mirror and the plane reflecting mirrors can simultaneously displace, relative dislocation is reduced, and the precision of the light beam convergence device is improved.
Drawings
FIG. 1 is a schematic diagram of a sparse aperture imaging system according to the present invention;
fig. 2 is a first schematic structural diagram of a precise light beam converging device according to the present invention;
fig. 3 is a schematic structural diagram of a precise light beam converging device according to the present invention;
fig. 4 is a schematic structural diagram of a light beam precise converging device provided by the present invention;
fig. 5 is a schematic structural diagram of a precise light beam converging device according to a fourth embodiment of the present invention;
FIG. 6 is an enlarged view of part A of FIG. 3;
1-rotating shaft component, 10-inner ring, 11-outer ring, 12-gear, 120-driving device, 13-filtering mechanism, 130-filtering element A, 131-filtering element B, 132-filtering element C, 2-supporting device, 20-base plate A, 200-light-passing hole, 21-base plate B, 22-connecting piece, 3-sub telescope, 4-pyramid reflector, 40-three-axis fine adjustment platform, 41-mounting platform, 410-pressing block, 411-pressing groove, 5-plane reflector, 50-bracket, 51-micro displacement platform and a-light beam.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate an orientation or positional relationship based on the orientation or positional relationship shown in the drawings or the orientation or positional relationship which is usually placed when the product of this application is used, the description is merely for convenience and simplicity of description, and it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1
As shown in fig. 1 to 6, a light beam precise converging device includes a pyramid reflector 4 and a plurality of plane reflectors 5 arranged around the pyramid reflector 4, wherein each group of reflective surfaces of the pyramid reflector 4 is parallel to the mirror surface of one group of plane reflectors 5; the number of the plane reflectors 5 should be equal to the number of the sub-telescopes 3 in the sparse aperture imaging system, so three, four or five groups of plane reflectors 5 can be arranged according to the difference of the number of the sub-telescopes 3, in this embodiment, taking the sparse aperture imaging system including 3 groups of sub-telescopes 3 as an example, the pyramid reflector 4 has three groups of reflecting surfaces, and the three groups of reflecting surfaces are parallel to one group of plane reflectors 5.
The light beam accurate convergence device comprises a group of supporting and supporting devices 2 for mounting the pyramid reflector 4 and three groups of plane reflectors 5, wherein the supporting devices 2 comprise a bottom plate A20 and a bottom plate B21 which are oppositely arranged, the bottom plate A20 and the bottom plate B21 are connected through a plurality of connecting pieces 22, and the three groups of plane reflectors 5 and the pyramid reflector 4 are positioned in front of the bottom plate A20 and the bottom plate B21.
The bottom plate A20 and the bottom plate B21 are both disc-shaped, a group of three-axis fine tuning platforms 40, specifically XY theta three-axis fine tuning precision platforms, are arranged at the centers of the opposite faces of the bottom plate 20, and the pyramid reflector 4 is mounted on the table top of the three-axis fine tuning platforms 40, so that the pyramid reflector 4 can be adjusted in a horizontal or longitudinal displacement in a plane parallel to the bottom plate A20 and can rotate for a certain angle around an optical axis perpendicular to the bottom plate A20; each group of supports 50 is provided with a group of micro-displacement platforms 51, each micro-displacement platform 51 is a piezoelectric ceramic micro-displacement actuator, each plane reflector 5 is arranged on the micro-displacement platform 51, and the three-dimensional coordinates and the rotation angle of the reflecting surface of each group of plane reflectors 5 can be adjusted.
In some preferred embodiments, the three-axis fine-tuning platform 40 and the pyramid reflector 4 are connected by a mounting table 41; in the cone-shaped reflecting mirror 4, each group of corners on the surface contacting with the table surface of the mounting table 41 is provided with a group of pressing blocks 410 for pressing the corners on the table surface of the mounting table 41, the pressing blocks 410 are provided with pressing grooves 411 matched with the corners, in addition, a flexible cushion layer is further arranged between the cone-shaped reflecting mirror 4 and the mounting table 41, and the flexible cushion layer is used for preventing the position deviation or deformation of the cone-shaped reflecting mirror 4 due to overlarge stress.
In some preferred embodiments, the first ends of the three sets of brackets 50 are vertically mounted on the opposite surface of the bottom plate a20, the second ends of the brackets 50 are bent toward the pyramid reflector 4 to form a bent portion, and the micro displacement platform 51 is disposed on the bent portion.
The three groups of plane reflectors 5 are respectively connected with the opposite face of the bottom plate a20 through a group of brackets 50, the three groups of brackets 50 are uniformly arranged around the optical axis of the pyramid reflector 4, light through holes 200 with the same number as the plane reflectors 5 are further arranged on the bottom plate a20 around the pyramid reflector 4, the axis of each group of light through holes 200 respectively penetrates through one group of plane reflectors 5, a group of incident light beams a are emitted into each group of light through holes 200 along the axis direction of the light through holes 200, and the three groups of incident light beams a are emitted in parallel to the incident light beams a after passing through the light through holes 200 and being reflected by the plane reflectors 5 and the pyramid reflector 4 in sequence.
The support 50 is the invar steel material, a plurality of connecting pieces 22 include the three group's spliced poles that encircle pyramid speculum 4 and set up and encircle the three group's connecting seats that a plurality of plane reflectors 5 periphery set up, spliced pole and connecting seat play the effect of inside and outside support for two sets of bottom plates support stress point and distribute evenly, reinforcing strutting arrangement 2's structural strength.
The circular area between the three groups of plane mirrors 5 and the pyramid mirror 4 is further provided with an optical conversion module 3, the optical conversion module in this embodiment includes 3 groups of filtering mechanisms 13, each group of filtering mechanisms 13 has a head end and a tail end, and three groups of filtering elements are sequentially arranged between the head end and the tail end in the group of filtering mechanisms 13, that is, the optical conversion module includes a filtering element a130, a filtering element B131 and a filtering element C132 which are sequentially arranged in a counterclockwise direction as shown in fig. 3, with one end where the filtering element a130 is located as a head section of each group of filtering mechanisms 13, and one end where the filtering element C132 is located as a tail end of the group of filtering mechanisms 13, then the three groups of filtering mechanisms 13 are connected end to end, and 9 groups of filtering elements in the three groups of filtering mechanisms 13 are arranged in a circumferential array around one point on the rotation axis.
The three groups of filter mechanisms 13 are positioned between the bottom plate A20 and the bottom plate B21, the rotating shaft assembly 1 is rotatably arranged on the opposite surface of the bottom plate A20, and the rotating axis of the rotating shaft assembly 1 is perpendicular to the plate surface of the bottom plate A20.
In at least three sets of filter elements in each set of filter mechanism 13, a polarizer is disposed in the first set of filter elements, a spectrum plate is disposed in the second set of filter elements, and a polarizer and a spectrum plate are stacked in the third set of filter elements (note that the first, second, and third sets of filter elements respectively correspond to one of a filter element a130, a filter element B131, and a filter element C132, and the first set of filter elements should not be equal to the filter element a130, the second set of filter elements should be equal to the filter element B131, and the third set of filter elements should be equal to the filter element C132).
The bottom plate A20 is provided with light through holes 200 with the same number as the light filtering mechanisms 13, and the three groups of light through holes 200 are uniformly arranged around the rotation axis of the rotation shaft assembly 1; in the radial direction of the rotating shaft assembly 1, the distance from any group of filter elements to the rotating shaft assembly 1 is equal to the distance from any group of light passing holes 200 to the rotating shaft assembly 1, so that the plurality of filter mechanisms 13 rotate around the rotating shaft assembly 1 for a circle, and each group of filter elements can pass through the positions below the plurality of light passing holes 200, namely: during the rotation, the light rays entering the optical conversion module along the light-passing hole 200 can all irradiate on all the filter elements in the three sets of filter mechanisms 13.
In addition, the bottom plate a20 is further provided with sub-telescope mounting positions equal to the number of the light-passing holes 200, in this embodiment, three sets of sub-telescope mounting positions are respectively arranged on one set of the light-passing holes 200; after the sub-telescopes 3 are installed, light rays in the sub-telescopes 3 in the installation positions of each group of sub-telescopes can be transmitted to the filtering mechanisms 13 along the light through holes 200, the light rays passing through the three groups of light through holes 200 can be respectively irradiated to filtering elements in one group of filtering mechanisms 13, and meanwhile, in the three groups of irradiated filtering mechanisms 13, the types of the irradiated filtering elements in each group of filtering mechanisms 13 are the same.
In this embodiment, the rotating shaft assembly 1 includes an inner ring 10 and an outer ring 11, the outer ring 11 is sleeved on the inner ring 10, the inner ring 10 is rotatably connected with the outer ring 11, the outer ring 11 is fixed on an opposite surface of the bottom plate a20, the outer ring 11 is used for mounting and constraining the inner ring 10, a lower end surface of the inner ring 10 protrudes out of a lower end surface of the outer ring 11, all the filter elements in the plurality of filter mechanisms 13 are all arranged on the lower end surface of the inner ring 10, and are arranged in a circumferential array around an axis of the inner ring 10.
In this embodiment, the bottom plate a20 is further rotatably connected to a set of gears 12, the inner circumferential surface of the inner ring 10 is provided with teeth, the teeth are engaged with the gears 12, and the bottom plate a20 is further provided with a driving device 120 for driving the gears 12 to rotate, so as to drive the inner ring 10 to rotate, and further drive the conversion of the modules in the optical conversion module.
A light beam regulation and control method of a light beam accurate convergence device comprises the following steps:
s1, mounting the pyramid reflectors 4 on the bottom plate a20 according to the above embodiment, arranging the brackets 50 with the same number as the planar reflectors 5 around the pyramid reflectors 4, and mounting each group of reflectors 5 on one group of brackets 50;
s2, adjusting the mounting position of each group of plane reflectors 5 to enable the included angle between the axis of each group of light through holes 200 and the line surface of the plane reflector 5 mirror surface through which the axis passes to be 45 degrees;
s3, adjusting the position of the pyramid reflector 4 to enable incident light beams which are parallel to the axis of the light through holes 200 and enter each group of light through holes 200 to be reflected by the plane reflector 5 and the pyramid reflector 4 in sequence and then to be emitted in parallel to the incident light beams, wherein an included angle of 45 degrees is formed between each group of reflecting surfaces of the pyramid reflector 4 and the bottom plate A20.
Example 2
As shown in fig. 1, a sparse aperture imaging system is provided with the precise light beam converging device in embodiment 1.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. Accurate convergence device of light beam, including pyramid speculum (4) and a plurality of plane reflection mirror (5) that encircle pyramid speculum (4) and set up, every group plane of reflection of pyramid speculum (4) respectively with the mirror surface parallel of a set of plane reflection mirror (5), its characterized in that: the reflecting mirror is characterized by further comprising a bottom plate A (20) and a bottom plate B (21) which are oppositely arranged, wherein the bottom plate A (20) and the bottom plate B (21) are connected through a plurality of connecting pieces (22), and the connecting pieces (22) comprise connecting columns arranged around the pyramid reflecting mirrors (4) and a plurality of connecting seats arranged around the peripheries of the plane reflecting mirrors (5);
the anti-reflection type LED lamp is characterized in that a group of pyramid reflectors (4) are arranged on the opposite surface of the base plate A (20), each group of plane reflectors (5) is connected with the opposite surface of the base plate A (20) through a group of supports (50), light through holes (200) with the same number as the plane reflectors (5) are formed in the base plate A (20) in a surrounding mode around the pyramid reflectors (4), the axis of each group of light through holes (200) penetrates through one group of plane reflectors (5), and therefore incident light beams passing through the light through holes (200) are reflected by the plane reflectors (5) and the pyramid reflectors (4) successively and then emitted in parallel to the incident light beams.
2. The apparatus for precisely converging light beams according to claim 1, wherein: the pyramid reflector (4) is connected with the bottom plate A (20) through a group of three-axis fine-tuning platforms (40), and the reflector (4) is installed on the table surface of the three-axis fine-tuning platform (40).
3. The apparatus for precisely converging light beams according to claim 1, wherein: and each group of supports (50) is provided with a group of micro-displacement platforms (51), and the plane reflector (5) is arranged on each micro-displacement platform (51).
4. The apparatus for precisely converging light beams according to claim 2, wherein: the three-axis fine adjustment platform (40) is connected with the pyramid reflector (4) through a mounting table (41); in the cone reflecting mirror (4), each group of edges and corners on one surface contacted with the table surface of the mounting table (41) is provided with a group of pressing blocks (410) so as to press the edges and corners on the table surface of the mounting table (41), and the pressing blocks (410) are provided with pressing grooves (411) matched with the edges and corners.
5. The apparatus for precisely converging light beams according to claim 3, wherein: the first ends of the plurality of supports (50) are vertically arranged on the opposite surface of the bottom plate A (20), the second ends of the supports (50) are bent towards the pyramid reflector (4) to form a bent part, and the micro-displacement platform (51) is arranged on the bent part.
6. The apparatus for precisely converging light beams according to claim 4, wherein: a flexible cushion layer is further arranged between the pyramid reflecting mirror (4) and the mounting table (41).
7. The apparatus for precisely converging light beams according to claim 1, wherein: the support (50) is made of invar steel.
8. The apparatus for precisely converging light beams according to claim 3, wherein: the micro-displacement platform (51) is a piezoelectric ceramic micro-displacement actuator.
9. The light beam control method of the light beam precise convergence device according to claim 1, comprising the steps of:
s1, mounting the pyramid reflectors (4) on a bottom plate A (20), arranging brackets (50) with the number equal to that of the plane reflectors (5) around the pyramid reflectors (4), and mounting each group of reflectors (5) on one group of brackets (50);
s2, adjusting the mounting position of each group of plane reflectors (5) to enable the included angle between the axis of each group of light through holes (200) and the line surface of the plane reflector (5) through which the axis passes to be 45 degrees;
s3, adjusting the position of the pyramid reflector (4) to enable incident light beams which are parallel to the axis of the light through holes (200) and enter each group of light through holes (200) to be sequentially reflected by the plane reflector (5) and the pyramid reflector (4) and then to be emitted in parallel to the incident light beams.
10. A sparse aperture imaging system, characterized by: the light beam precise converging device of any one of claims 1 to 6 is arranged in the sparse aperture imaging system.
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| CN202011050557.8A CN112230367A (en) | 2020-09-29 | 2020-09-29 | Accurate light beam converging device, light beam regulating and controlling method and sparse aperture imaging system |
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| CN202011050557.8A CN112230367A (en) | 2020-09-29 | 2020-09-29 | Accurate light beam converging device, light beam regulating and controlling method and sparse aperture imaging system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112764235A (en) * | 2021-01-21 | 2021-05-07 | 湖北航天技术研究院总体设计所 | Array light beam emitting and imaging device |
| CN113534427A (en) * | 2021-07-14 | 2021-10-22 | 西安粼粼光电科技有限公司 | Optical early warning tracking platform based on quick reflector array and working method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106444056A (en) * | 2016-12-09 | 2017-02-22 | 中国科学院光电技术研究所 | Sparse optical synthetic aperture imaging device based on three apertures and light beam combination correction method thereof |
| CN109739026A (en) * | 2019-03-22 | 2019-05-10 | 中国人民解放军国防科技大学 | Multi-beam combiner |
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2020
- 2020-09-29 CN CN202011050557.8A patent/CN112230367A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106444056A (en) * | 2016-12-09 | 2017-02-22 | 中国科学院光电技术研究所 | Sparse optical synthetic aperture imaging device based on three apertures and light beam combination correction method thereof |
| CN109739026A (en) * | 2019-03-22 | 2019-05-10 | 中国人民解放军国防科技大学 | Multi-beam combiner |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112764235A (en) * | 2021-01-21 | 2021-05-07 | 湖北航天技术研究院总体设计所 | Array light beam emitting and imaging device |
| CN113534427A (en) * | 2021-07-14 | 2021-10-22 | 西安粼粼光电科技有限公司 | Optical early warning tracking platform based on quick reflector array and working method |
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Application publication date: 20210115 |