Interferometric verification for the polarization imaging spectrometer |
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Authors: | Tingkui Mu Wenyi Ren Lin Zhang Xiaohua Jian |
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Affiliation: | MOE Key Laboratory for Nonequilibrium Synthesis and Modulation of Condensed Matter , School of Science, Xi’an Jiaotong University , Xi’an 710049, China |
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Abstract: | The optical throughput is usually attenuated by the use of two linear polarizers in a polarization imaging spectrometer. To avoid such attenuation, in some special cases to be determined, one may remove a polarizer. Theoretical formulae for different cases are derived by using the matrix representation of the polarizers, Savart plate, and random unpolarized electromagnetic beam. The theoretical and experimental results comply with the Fresnel–Arago polarization interference laws. The normal case, without removing a polarizer, adapted itself to general applications, and the abnormal case, with the fore polarizer removed, was only adapted to polarized scenes. |
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Keywords: | polarization imaging spectrometer Fresnel–Arago interference law throughput Savart plate |
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