Optomechanical analysis of the flexure mounting configuration of large-aperture laser transport mirror

Zheng Zhang; Xusong Quan; Hui Wang; Tianye Liu; Zhao Xiong; Xiaodong Yuan; Yiming Rong

doi:10.1117/1.OE.56.2.025103

21 February 2017 Optomechanical analysis of the flexure mounting configuration of large-aperture laser transport mirror

Zheng Zhang, Xusong Quan, Hui Wang, Tianye Liu, Zhao Xiong, Xiaodong Yuan, Yiming Rong

Author Affiliations +

Funded by: Natural Science Foundation of China, Beijing Natural Science Foundation

Optical Engineering, Vol. 56, Issue 2, 025103 (February 2017). https://doi.org/10.1117/1.OE.56.2.025103

Abstract

Motivated by the demand to minimize the mount-induced wavefront aberration of the large-aperture laser transport mirror, a low-stress flexure mounting configuration is proposed. Specific optomechanical analyses, including theoretical modeling, numerical analysis and field experiment, are presented. The mechanical properties of the flexure support were studied specifically. Besides, the relation between the mounting forces and the root-mean-square of the gradients (GRMS) value of the mirror surface is studied. Then, the appropriate value of the bolt preload is set to 500N, with which the GRMS value is just 5.35 nm/cm. The results indicate that the flexure mounting configuration is indeed a feasible and promising method to solve the mount-induced distortion problem of large-aperture optics.

Citation Download Citation

Zheng Zhang, Xusong Quan, Hui Wang, Tianye Liu, Zhao Xiong, Xiaodong Yuan, and Yiming Rong "Optomechanical analysis of the flexure mounting configuration of large-aperture laser transport mirror," Optical Engineering 56(2), 025103 (21 February 2017). https://doi.org/10.1117/1.OE.56.2.025103

Received: 21 November 2016; Accepted: 2 February 2017; Published: 21 February 2017

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