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Analysis of the transmittance of modified Savart polariscope in the static large field of view polarization interference imaging spectrometer

Du Juan Zhang Chun-Min Sun Yao Zhao Bao-Chang

Analysis of the transmittance of modified Savart polariscope in the static large field of view polarization interference imaging spectrometer

Du Juan, Zhang Chun-Min, Sun Yao, Zhao Bao-Chang
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Publishing process
  • Received Date:  27 January 2008
  • Accepted Date:  24 March 2008
  • Published Online:  05 May 2008

Analysis of the transmittance of modified Savart polariscope in the static large field of view polarization interference imaging spectrometer

  • 1. (1)西安交通大学理学院,西安 710049; (2)中国科学院西安光学精密机械研究所空间光学研究室,西安 710119

Abstract: The principle of beam splitting of modified Savart polariscope in the static large field of view polarization interference imaging spectrometer(SLPIIS) is described. The reflection and refraction in every uniaxial of modified Savart polariscope are analyzed, with the incident plane coincident or perpendicular to the principle section of the left plate,based on the electromagnetic boundary conditions. Formulas for the transmittance of the modified Savart polariscope are given as functions of wavelength of the incident light,angle and thickness of the half-wave plate,which are analyzed through computer simulation with different half-wave plates. It is proved that the modified Savart polariscope has the advantages of having both large field of view and high flux,and can be used as high performance lateral shearing beam splitter in SLPIIS. This theoretical study will provide guidance for the experimental study of new polarization interference imaging spectrometer.

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