Dynamic range enhancement of the roll angle displacement measurement with birefringence using a polarization camera

Ju Yi Lee, Wei Yi Sung, Ching Tse Hsu

研究成果: 雜誌貢獻期刊論文同行評審

3 引文 斯高帕斯(Scopus)

摘要

A roll angle displacement measurement technique with high resolution for large-range measurement is presented. The proposed technique is based on the birefringence effect and phase detection of polarization interferometry with a polarization camera. The phase difference variation between the s- and p-polarized light induced by a rolling birefringent crystal can be obtained by a polarization camera. The roll angle displacement of the birefringent crystal can be determined fromthe detected phase difference variation. Several experimentswere performed to evaluate the feasibility and performance of the proposed technique. The experimental results demonstrate that the resolution of the system can reach 0.003° with a 10° measurement range. The nonlinear and periodic errors of the system are also analyzed.

原文???core.languages.en_GB???
頁(從 - 到)9110-9116
頁數7
期刊Applied Optics
60
發行號29
DOIs
出版狀態已出版 - 10 10月 2021

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