Optical-phase modulator based on stacked piezoelectric ceramics

Tao Chen; Tianxin Ding; Chebin Wu; Zhengxiang Xu; Feiyan Li; Zhongcheng Liang; Rui Zhao; MeiMei Kong

doi:10.1117/12.2537666

19 November 2019 Optical-phase modulator based on stacked piezoelectric ceramics

Tao Chen, Tianxin Ding, Chebin Wu, Zhengxiang Xu, Feiyan Li, Zhongcheng Liang, Rui Zhao, MeiMei Kong

Proceedings Volume 11186, Advanced Optical Imaging Technologies II; 111861A (2019) https://doi.org/10.1117/12.2537666
Event: SPIE/COS Photonics Asia, 2019, Hangzhou, China

Abstract

The optical integrated aperture imaging system arranges several small aperture optical elements according to a certain regular spatial position, and achieves common phase precision on the same focal plane by adjusting the optical path and matching the phase. It is 0.1λ precision. As a high-precision displacement adjustment device, stacked piezoelectric ceramics can realize displacement deformation in the micrometer direction in the longitudinal direction. In this paper, a piezoelectric ceramic tube is stacked and filled with a transparent liquid medium. A compact optical phase modulator is designed and the output is prepared. Using interferometer to detect phase and combined with optimized image processing technology, an optical phase detection method with an accuracy of 0.1λ is obtained, which provides a feasible reference scheme for optical synthetic aperture common phase adjustment.

Citation Download Citation

Tao Chen, Tianxin Ding, Chebin Wu, Zhengxiang Xu, Feiyan Li, Zhongcheng Liang, Rui Zhao, and MeiMei Kong "Optical-phase modulator based on stacked piezoelectric ceramics", Proc. SPIE 11186, Advanced Optical Imaging Technologies II, 111861A (19 November 2019); https://doi.org/10.1117/12.2537666

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