11 August 2011 Terahertz wave polarization extract with quartz crystal
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We present a method to extract the polarization of terahertz wave by placing a 4-mm-thick quartz crystal on the terahertz beam. The polarization and electric field amplitude are varied by a terahertz polarizer. The quartz crystal is fixed at 45 degree with respect to the horizontal direction and the terahertz polarization angle can be extracted by the ratio of the two electric field amplitude corresponding to the ordinary and extraordinary waves that transmitted through the quartz crystal. The result shows this method is valid to measure polarization of terahertz wave, and it is more convenient and saving time for only once measure.A
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Chao Deng, Liangliang Zhang, Hua Zhong, Fei Yu, Cunlin Zhang, "Terahertz wave polarization extract with quartz crystal", Proc. SPIE 8195, International Symposium on Photoelectronic Detection and Imaging 2011: Terahertz Wave Technologies and Applications, 81951A (11 August 2011); doi: 10.1117/12.900796; https://doi.org/10.1117/12.900796


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