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Serial-connected load carrying type rapid reflector structure

A mirror, carrying technology, applied in installation, optics, instruments, etc., can solve problems such as gaps and affect the pointing accuracy of fast mirrors, and achieve the effect of reducing gaps, reducing size, and overall compact structure

Inactive Publication Date: 2016-09-07
INST OF OPTICS & ELECTRONICS - CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, since the flexible bearing structure of the fast mirror cannot always be in full contact with the mirror holder, there will be a gap between the flexible bearing structure and the mirror holder, especially when the mirror holder moves, this gap is inevitable
The existence of this gap affects the pointing accuracy of the fast mirror

Method used

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  • Serial-connected load carrying type rapid reflector structure
  • Serial-connected load carrying type rapid reflector structure
  • Serial-connected load carrying type rapid reflector structure

Examples

Experimental program
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Embodiment Construction

[0017] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0018] Such as Figure 1~3 As shown, the series load-bearing fast reflector of the present invention mainly includes: reflector 1, reflector frame 2, lug 3, first voice coil motor 4a, second voice coil motor 4b, third voice coil motor 4c, the first Four-voice coil motor 4d, flexible thin plate 5, central fixed column 6, flexible outer ring 7, ball 8, spherical seat 9, compression spring 10, spring seat 11, gasket 12, first position sensitive sensor 13a, second position sensitive The sensor 13b, the third position-sensitive sensor 13c, the fourth position-sensitive sensor 13d, and the installation base 14. Wherein, the flexible supporting part includes flexible thin plate 5, central fixed column 6, flexible outer ring 7, tail hole (20), flexible thin plate can; The flexible support structure and the rigid support structure are connected by balls 8, and joint...

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Abstract

The invention provides a serial-connected load carrying type rapid reflector structure. A flexible support is taken as a structure directly contacted with a reflector frame to constraint the free degree of a rapid reflector. A ball is arranged in the tail hole at the bottom end of the center fixing column of the flexible support, a rigid support formed by a ball seat and a compression spring adjusts the gap between the flexible support structure and the reflector frame, and the gap between the reflector during the motion and the reflector frame can be reduced, so that the rough adjustment of the deflection position of the reflector is realized. A position sensitive device receives the position signal of the reflector and feeds the signal back to a control system, a voice coil motor receives the instruction signal from the control system, so that the fine adjustment of the position of the reflector can be realized. The reflector frame is directly pushed by four voice coil motors that are staggered with the position sensitive device, so that the whole structure is compact.

Description

technical field [0001] The invention belongs to the technical field of optical-mechanical structure design, and in particular relates to a fast reflective mirror structure, in particular to a fast reflective mirror in which a flexible element and a rigid element are carried in series in a support structure. Background technique [0002] Fast mirrors are devices that can precisely control beam deflection. Due to their advantages such as fast response speed, high operating bandwidth, and high pointing accuracy, they are widely used in astronomical telescopes, adaptive optics, and free-space optical communications. Research hotspots at home and abroad. [0003] The bearing forms of fast mirrors mainly include rigid bearing and flexible bearing. Compared with the rigid load-bearing fast mirror, the flexible load-bearing fast mirror uses the deformation of the flexible unit itself to constrain the degrees of freedom of the fast mirror, and has the characteristics of no friction ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02B7/198G02B7/182
CPCG02B7/1821G02B7/198
Inventor 艾志伟谭毅吴琼雁任戈
Owner INST OF OPTICS & ELECTRONICS - CHINESE ACAD OF SCI
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