激光准直系统中的杂散光分析与抑制

宋延嵩; 安岩; 李欣航; 董科研; 姜会林

doi:10.3788/CO.20160906.0663

Volume 9 Issue 6

Nov. 2016

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Chinese Optics > 2016 > 9(6): 663-670.

SONG Yan-song, AN Yan, LI Xin-hang, DONG Ke-yan, JIANG Hui-lin. Analyzing and suppressing of stray light in laser collimating system[J]. Chinese Optics, 2016, 9(6): 663-670. doi: 10.3788/CO.20160906.0663

Citation:

SONG Yan-song, AN Yan, LI Xin-hang, DONG Ke-yan, JIANG Hui-lin. Analyzing and suppressing of stray light in laser collimating system[J]. Chinese Optics, 2016, 9(6): 663-670. doi: 10.3788/CO.20160906.0663

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Analyzing and suppressing of stray light in laser collimating system

doi: 10.3788/CO.20160906.0663

Institute of Space Photoelectric Technology, Changchun University of Science and Technology, Changchun 130022, China

Funds:

Supported by Young Science Foundation of CUST No.XQNJJ-2013-12

The 13th Five-Year Plan Project of Jilin provincial Science and Technology Research No.2016368

More Information

Corresponding author: E-mail:anyan_7@126.com
Received Date: 11 May 2016
Rev Recd Date: 13 Jul 2016
Publish Date: 01 Dec 2016

Abstract

Abstract

As for the negative influence of false signals and signal saturations caused by stray light in different optical systems, collimating system as an important subsystem is analyzed by combining the imaging illumination analysis and the extinction rings method, and the main causes of stray light are found out. Furthermore, three different structures of extinction rings are designed to eliminate the stray light. The optimal extinction rings structure is selected by a simulation experiment. Simulation results show that the largest degree of inhibition in the edge reaches 0.38% and the average degree of inhibition is 5.68×10^-4%. The structure is actually manufactured and is tested by designed experiments. The result shows that stray light inhibition can be effectively realized in collimating system with optimal structure of the extinction ring. Therefore, this method has a reference value in other stray light suppression system.
- stray light suppression,
- imaging illumination analysis,
- extinction ring,
- collimating system

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References(19)

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