8 February 2018 Recent advances in liquid-crystal THz filters
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Liquid crystal polymer (LCP) films are rolled into hollow cylinders. The hollow cylinders are measured by a terahertz spectrometer. Experimental results reveal that the transmittance spectra of the hollow cylinders have peaks at specific frequencies due to Fabry-Pérot resonance, and the frequencies of the peaks can be tuned by changing the thicknesses and rolled layers of the LCP films. Therefore, the rolled LCP films can be used to develop terahertz filters.
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Chia-Yi Huang, Chia-Yi Huang, Wei-Yuan Chen, Wei-Yuan Chen, Jing-Ya Chiu, Jing-Ya Chiu, Hsiao-Shan Chang, Hsiao-Shan Chang, Jia-Kai Liu, Jia-Kai Liu, Han-Wei Hsieh, Han-Wei Hsieh, Wei-Yun Chen, Wei-Yun Chen, Yi-Hsin Lin, Yi-Hsin Lin, } "Recent advances in liquid-crystal THz filters", Proc. SPIE 10555, Emerging Liquid Crystal Technologies XIII, 105550S (8 February 2018); doi: 10.1117/12.2288859; https://doi.org/10.1117/12.2288859

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