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13 December 2021 A new optical polarizing prism extinction ratio measurement method based on heterodyne-detecting
Zhendong Shi, Hua Ma, Lin Zhang, Jinxi Bai, Yi Yang, Huan Ren, Liqun Chai
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Proceedings Volume 12071, 10th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Advanced Optical Manufacturing and Metrology Technologies; 120710Q (2021) https://doi.org/10.1117/12.2604853
Event: Tenth International Symposium on Advanced Optical Manufacturing and Testing Technologies (AOMATT 2021), 2021, Chengdu, China
Abstract
We present a method for measuring the polarization extinction ratio of a prism with the heterodyne-detecting. The key of this method is converting the intensity difference of more than one million times between vertical and parallel polarized transmitted light to almost equal level, so as to overcome the difficulty of measuring the intensity of both vertical and parallel components in the linear response range of a normal photodetector without attenuation. Using this method, we have realized the measurement of a polarizing Glan-Taylor prism with extinction ratio of 60.4dB.
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Zhendong Shi, Hua Ma, Lin Zhang, Jinxi Bai, Yi Yang, Huan Ren, and Liqun Chai "A new optical polarizing prism extinction ratio measurement method based on heterodyne-detecting", Proc. SPIE 12071, 10th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Advanced Optical Manufacturing and Metrology Technologies, 120710Q (13 December 2021); https://doi.org/10.1117/12.2604853
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KEYWORDS
Polarization
Prisms
Polarizing prisms
Environmental sensing
Optical amplifiers
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