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A method of manufacturing a convex grating imaging spectrometer

An imaging spectrometer and convex grating technology, applied in the field of optical instruments, can solve the problems of time-consuming, inability to meet industrialized mass production, etc.

Active Publication Date: 2021-03-09
YUSENSE INFORMATION TECH & EQUIP QINGDAO INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This process often requires multiple iterations, and requires the cooperation of experienced grinding technicians, which is very time-consuming and cannot meet the requirements of industrial mass production

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  • A method of manufacturing a convex grating imaging spectrometer
  • A method of manufacturing a convex grating imaging spectrometer
  • A method of manufacturing a convex grating imaging spectrometer

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Embodiment Construction

[0047] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0048] In order to enable those skilled in the art to better understand the solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0049] Please refer to Figure 1 to Figure 9 , figure 1 It is a flowchart of the first embodiment of the present invention; figure 2 It is a flow chart of the second embodiment of the present invention; image 3...

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Abstract

The invention discloses a manufacturing method of a convex grating imaging spectrometer, which uses the spherical apex of the grating and the optical axis of the grating as the processing reference of the convex grating assembly, and the spherical apex of the mirror and the optical axis of the mirror as the processing reference of the mirror assembly. The grating mounting surface and the reflector assembly are processed so that the distance between the optical surface of the reflector and the optical surface of the convex grating and the mounting surface on their respective mounts meets the design requirements, and at the same time the optical surface of the reflector is perpendicular to the optical axis of the reflector . Furthermore, when adjusting the convex grating or reflector, it is only necessary to adjust the 2 translational degrees of freedom parallel to the reflector mounting surface and the angle in the plane, and the adjustment degrees of freedom are reduced from 6 to 3, thus greatly The assembly difficulty of the convex grating imaging spectrometer will be reduced.

Description

technical field [0001] The invention relates to the technical field of optical instruments, in particular to a method for manufacturing a convex grating imaging spectrometer. Background technique [0002] The convex grating imaging spectrometer is a typical solid-state linear array push-broom spectrometer. The optical system structure is developed on the basis of the concentric three-mirror imaging optical system. , by setting an appropriate off-axis amount, it has the advantages of small spectral line bending and chromatic distortion, no astigmatism, simple structure, and no moving parts. It is used in military reconnaissance, resource exploration, natural disaster monitoring, environmental pollution assessment, medical diagnosis, etc. It has broad application prospects in many fields. [0003] Existing convex grating imaging spectrometers are usually assembled by interferometry, which combines the basic principle of double-beam interference with the basic characteristics ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01J3/28G01J3/02
CPCG01J3/2823G01J3/0275G01J3/0202G01J3/0208G01J3/021G01J3/18G01J3/0291G01J3/0289G01J3/0297
Inventor 张军强杨斌李先峰辛久元
Owner YUSENSE INFORMATION TECH & EQUIP QINGDAO INC