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Conferences > OIC > 2022 > TEA > TEA.8

Femtosecond Laser Induced Surface Treatment of Nanograting for Enhanced Extinction Ratio of Wire-Grid Polarizer in Mid-Wavelength Infrared Range

Hyesu Kim, Seok Young Ji, Sung-Hak Cho, Joo-Yun Jung, and Won Seok Chang

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Abstract

Femtosecond laser induced polishing and annealing was developed to enhance the performance limitations of WGP in Mid-infrared range, fabricated by nanotransfer printing. The extinction ratio of WGP is up to 31 dB, a factor of 3 compared with non-processed WGP.

© 2022 The Author(s)

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