Improved quasi-monochromatic depolarizer

Senlu Xu; Hao Chi; Jun Gao

doi:10.1117/12.256129

31 October 1996 Improved quasi-monochromatic depolarizer

Senlu Xu, Hao Chi, Jun Gao

Author Affiliations +

Proceedings Volume 2830, Optical Spectroscopic Techniques and Instrumentation for Atmospheric and Space Research II; (1996) https://doi.org/10.1117/12.256129
Event: SPIE's 1996 International Symposium on Optical Science, Engineering, and Instrumentation, 1996, Denver, CO, United States

Abstract

A novel depolarizer composed of two quartz sedges is presented. The depolarization mechanism of this depolarizer lies in the double effects of integration over both frequency and space domain. The conditions of the depolarizer for effect depolarization are concluded: (1) the slope of retardance should be large enough; (2) retardance of the depolarizer should be large enough; (3) the angle between optical axes of two crystals should be 45 degrees. Furthermore, the image characteristics of the depolarizer is analyzed and image tripling is demonstrated. The experiment results show that our theoretical analysis is responsible. This depolarizer can be applied in many fields such as astronomy, remote sensor and spectroscopy.

Citation Download Citation

Senlu Xu, Hao Chi, and Jun Gao "Improved quasi-monochromatic depolarizer", Proc. SPIE 2830, Optical Spectroscopic Techniques and Instrumentation for Atmospheric and Space Research II, (31 October 1996); https://doi.org/10.1117/12.256129

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