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A design method for off-axis multi-reflection optical system based on space coordinate transfer matrix

A technology for transferring matrix and spatial coordinates, applied in optics, optical components, instruments, etc., can solve the problem of difficult assembly and adjustment of off-axis optical component systems, and achieve the goal of being beneficial to system design, reducing design amount, and improving design and processing. The effect of the error analysis effect

Active Publication Date: 2021-07-13
NORTHEASTERN UNIV LIAONING
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Problems solved by technology

However, the processing of off-axis optical components and system assembly and adjustment are more difficult, and the processing accuracy of components and the method of system assembly and adjustment are the key factors restricting its further development

Method used

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  • A design method for off-axis multi-reflection optical system based on space coordinate transfer matrix
  • A design method for off-axis multi-reflection optical system based on space coordinate transfer matrix
  • A design method for off-axis multi-reflection optical system based on space coordinate transfer matrix

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Embodiment Construction

[0074]The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0075] The flow of an off-axis multi-reflection optical system design method based on the spatial coordinate transfer matrix in this embodiment is as follows figure 1 shown, including the following steps:

[0076] Step 1: In this embodiment, if figure 2 , image 3 As shown, three mirrors M in the off-axis multi-reflection optical system are established 1 , M 2 , M 3 The local coordinate system and reference coordinate system of ;

[0077] 3 mirrors M in the off-axis multi-reflection optical system 1 , M 2 , M 3 The local coordinate system takes the center of each mirror as the origin O 1 , O 2 and O 3 , the reference coordinate system takes the first mirror M ...

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Abstract

The invention discloses an off-axis multi-reflection optical system design method based on a space coordinate transfer matrix, belonging to the technical field of optical design. This method establishes the initial coordinate system and reference coordinate system of each reflector; selects characteristic rays, establishes the input-output relationship between each reflector, and records the intersection point between the characteristic rays and each reflector as a feature point; The method realizes the transmission of light characteristics in the off-axis multi-reflection optical system; finally, the pose of each mirror in the off-axis multi-reflection optical system is obtained by fitting. The invention uses the space coordinate transfer matrix theory to design the optical system, which is beneficial to the integrated design, processing and system assembly and adjustment of the optical system.

Description

technical field [0001] The invention relates to the technical field of optical design, in particular to an off-axis multi-reflection optical system design method based on a spatial coordinate transfer matrix. Background technique [0002] With the advancement of space optical remote sensing and aerospace technologies such as rockets, satellites, and space stations, the design and processing technical indicators of optical systems are getting higher and higher, and high resolution and wide coverage have become increasingly urgent needs. However, the contradictory relationship between high resolution and large field of view limits its development to some extent. The early optical systems all used the refraction system. With the research on optical design theory and reflective system, the catadioptric system and all-reflective system gradually appeared. Then higher resolution and less energy loss became an urgent problem to be solved, thus producing off-axis optical system. ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G02B27/00
CPCG02B27/0012
Inventor 程同蕾陈晓雨赵继李曙光王方
Owner NORTHEASTERN UNIV LIAONING
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