Study on single-element monochromatic light depolarizer

Fuyun Xu; Mingqin Zhang; Wenlu Chen; Lianyen Wang; Ruyao Wei; Qingpu Wang

doi:10.1117/12.219517

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15 September 1995 Study on single-element monochromatic light depolarizer

Fuyun Xu, Mingqin Zhang, Wenlu Chen, Lianyen Wang, Ruyao Wei, Qingpu Wang

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Proceedings Volume 2540, Current Developments in Optical Design and Engineering V; (1995) https://doi.org/10.1117/12.219517
Event: SPIE's 1995 International Symposium on Optical Science, Engineering, and Instrumentation, 1995, San Diego, CA, United States

Abstract

Nearly all light sources are partially polarized, photomultiplier tube, photocell detector, and grating all have a polarization sensitive effect. When we use natural light to do some study, the light from the light source must be depolarized. In order to reduce the polarization sensitive effect of the detector, we need a fixed depolarizer in front of the detector. Since Lyot times, there has been considerable attention paid to the study of the polychromatic light depolarizer, but there are only a very limited number of ways to depolarize monochromatic light. In this article we introduce single element structure monochromatic light depolarizers made by using birefringent crystal. They include a single wedge depolarizer, a single element double wedge depolarizer, a right angle prism depolarizer, and a plano-convex lens depolarizer. We study their structure character, working principle, and use specification in detail and also point out some errors in the calcite right angle depolarizer.

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Fuyun Xu, Mingqin Zhang, Wenlu Chen, Lianyen Wang, Ruyao Wei, and Qingpu Wang "Study on single-element monochromatic light depolarizer", Proc. SPIE 2540, Current Developments in Optical Design and Engineering V, (15 September 1995); https://doi.org/10.1117/12.219517

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