The use of polarization modulation and amplitude-sensitive optical heterodyne interferometry for linear birefringence parameters measurement

Hsiu Fong Chang, Chien Chou*, Hui Kang Teng, Hsieh Ting Wu, Hon Fai Yau

*此作品的通信作者

研究成果: 期刊稿件文章同行評審

6 引文 斯高帕斯(Scopus)

摘要

A novel common-path polarization modulation and amplitude-sensitive optical heterodyne polarimeter is setup in order to characterize a phase retardation plate (PRP) in real time. The phase retardation ΔΦ and fast-axis angle β of the linear birefringence parameters (LBP) of a PRP are measured simultaneously. Meanwhile, the dynamic ranges of 0° < ΔΦ < 180° and 0° < β < 180° are demonstrated experimentally. In order to measure LBP in real time, a polarization modulation is introduced by continuously rotating the tested PRP such that ΔΦ and β are able to be obtained in terms of the ratio of the amplitudes of S polarization and the ratio of P polarization of the heterodyne signals, respectively. Consequently, this novel method, which combines optical heterodyne interferometry with a polarization modulation technique, not only improves the detection sensitivity, but also provides a real time capability to measure LBP. In addition, the error in the LBP measurement is derived and analyzed.

原文英語
頁(從 - 到)420-426
頁數7
期刊Optics Communications
260
發行號2
DOIs
出版狀態已出版 - 15 04 2006
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