24 August 2005 Optimize polarization-selective binary gratings
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Abstract
In this paper, we design a subwavelength binary grating working as a diffractive polarizing beamsplitter. The polarizing beamsplitter is then optimized by using a genetic algorithm to increase its extinction ratios up to as high as 238 and 82. We use the rigorous coupled-wave analysis method to calculate the parameters of the beamsplitter during the optimizing process.
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Tien Viet Vu, Nam Kim, Dongwoo Suh, Yeungjoon Sohn, Heesook Chung, Muncheol Paek, and Kwangyong Kang "Optimize polarization-selective binary gratings", Proc. SPIE 5867, Optical Modeling and Performance Predictions II, 586719 (24 August 2005); doi: 10.1117/12.616629; https://doi.org/10.1117/12.616629
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