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Liquid Crystal Based Terahertz Spatial Light Modulator for Imaging Application
Conference paper

Liquid Crystal Based Terahertz Spatial Light Modulator for Imaging Application

Anup Kumar Sahoo, Chun-Ling Yen, Yuan Chun Lu, Ci-Ling Pan, Chan-Shan Yang, Hung Chun Lin, Yi-Hsin Lin and Osamu Wada
International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz, Vol.2018-September, 8509885
10/2018
DOI: https://doi.org/10.1109/IRMMW-THz.2018.8509885

Abstract

Energy Engineering and Power Technology Electrical and Electronic Engineering
We demonstrate a liquid crystal based THz spatial light modulator (SLM). Indium tin oxide or gold finger type patterns were used for transparent (>70 % at 0.08 to 1.2 THz) conductor and self-cross polarizer. The phase shift and amplitude modulation achieved are greater than 90° and 30 % in broadband in THz frequency. This SLM could become a promising candidate for high speed THz imaging application via compress sensing algorithm.

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