Contributions of Support Point Number to Mirror Assembly Thermal Sensitivity Control

doi:10.3390/s23041951

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	Contributions of Support Point Number to Mirror Assembly Thermal Sensitivity Control
	H. Li; H. Zhang; Y. Ding; J. Zhang and Y. Cai
	2023
发表期刊	Sensors
ISSN	14248220
卷号	23 期号:4
摘要	Due to the extreme environmental temperature variations, solutions that enable ultra-low thermal sensitivity in a mirror assembly are crucial for high-performance aerial optical imaging sensors (AOIS). Strategies such as the elimination of the coefficient of thermal expansion (CTE) mismatch and the employment of a flexure connection at the interface cannot be simply duplicated for the application involved, demanding specific design constraints. The contributions of support point number to the surface thermal sensitivity reduction and support stiffness improvement have been studied. A synthetic six-point support system that integrates equally spaced multiple ultra-low radial stiffness mirror flexure units and assembly external interface flexure units has been demonstrated on a 260 mm apertured annular mirror that involves significant CTE mismatch and demanding support stiffness constraint. The surface deformation RMS, due to the 35 °C temperature variation, is 16.7 nm. © 2023 by the authors.
DOI	10.3390/s23041951
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收录类别	sci ; ei
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文献类型	期刊论文
条目标识符	http://ir.ciomp.ac.cn/handle/181722/67612
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	H. Li,H. Zhang,Y. Ding,et al. Contributions of Support Point Number to Mirror Assembly Thermal Sensitivity Control[J]. Sensors,2023,23(4).
APA	H. Li,H. Zhang,Y. Ding,&J. Zhang and Y. Cai.(2023).Contributions of Support Point Number to Mirror Assembly Thermal Sensitivity Control.Sensors,23(4).
MLA	H. Li,et al."Contributions of Support Point Number to Mirror Assembly Thermal Sensitivity Control".Sensors 23.4(2023).

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