Design and optimization of high-speed swing mirror with three reflectors on airborne whiskbroom scanning spectrometer

doi:10.3788/OPE.20182611.2675

CIOMP OpenIR

	Design and optimization of high-speed swing mirror with three reflectors on airborne whiskbroom scanning spectrometer
	Li, Yi; Liu, Wei; Tan, Ya-Xiong; Zhang, Xiao-Hui; Yan, Chang-Xiang
	2018
发表期刊	Guangxue Jingmi Gongcheng/Optics and Precision Engineering
ISSN	1004924X
卷号	26 期号:11 页码:2675-2683
摘要	Aiming at fulfilling the requirement of 25 Hz high scanning frequency of the airborne whiskbroom scanning spectrometer, a swing mirror with three reflectors is designed. Firstly, by revealing the relationship between the reflection area and the deviation of the rotation axis and comparing performance of several swing mirrors with the different numbers of reflectors. The arrangement of three reflectors around the rotation axis of swing mirror was adopted. Thus rotating at a speed of 600 r/min the mirror was able to achieve 1 800 scans within a single minute. At the same time, the swing mirror used uniform rotation to reduce the difficulty in controlling and improve the stability of the sweep-scanning system. Through topology optimization and integrated optimization, the weight of the swing mirror was reduced to 5.28 kg and the lightweight ratio was 58%. Finally, calculated by the finite element simulation, the RMS of the reflector was better than /20 in 1 g gravity and centrifugal force at 600 r/min rotate speed environment and the fundamental frequency is 1 199 Hz. This verifies that the swing mirror is of high mechanical stability. It can satisfy the higher scanning frequency requirement of airborne whiskbroom scanning spectrometer. 2018, Science Press. All right reserved.
关键词	Mirrors Mechanical stability Reflection Scanning Spectrometers Speed
DOI	10.3788/OPE.20182611.2675
收录类别	EI
引用统计
文献类型	期刊论文
条目标识符	http://ir.ciomp.ac.cn/handle/181722/60610
专题	中国科学院长春光学精密机械与物理研究所
推荐引用方式 GB/T 7714	Li, Yi,Liu, Wei,Tan, Ya-Xiong,et al. Design and optimization of high-speed swing mirror with three reflectors on airborne whiskbroom scanning spectrometer[J]. Guangxue Jingmi Gongcheng/Optics and Precision Engineering,2018,26(11):2675-2683.
APA	Li, Yi,Liu, Wei,Tan, Ya-Xiong,Zhang, Xiao-Hui,&Yan, Chang-Xiang.(2018).Design and optimization of high-speed swing mirror with three reflectors on airborne whiskbroom scanning spectrometer.Guangxue Jingmi Gongcheng/Optics and Precision Engineering,26(11),2675-2683.
MLA	Li, Yi,et al."Design and optimization of high-speed swing mirror with three reflectors on airborne whiskbroom scanning spectrometer".Guangxue Jingmi Gongcheng/Optics and Precision Engineering 26.11(2018):2675-2683.

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