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Proceedings Paper

Cellulose nanoporous foam filled multi-layered split ring THz sensor
Author(s): Han-Hsiang Chen; Yen-Tse Cheng; Chi-leung Tsui; Yu-hsin Chiang; Chu-yun Kao; Wei-Chih Wang
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Paper Abstract

This paper describes a double-layered foam filled THz split ring resonator gas sensor. The study of resonant shifts and damping (inverse of Q-factor) of a foam filled metamaterial is conducted for the concentration measurement of acetone gas. A nanoporous cellulose foam is used for its good adsorption of gas molecules. Different dielectric inserts and multilayer metamaterials are being investigated. Results from experiment and simulation generated from the CST Studio Suite 3D EM analysis are presented. In addition, porosity of the foam optimized by fine tuning the fabrication procedure to improve the measurement is also discussed.

Paper Details

Date Published: 27 March 2019
PDF: 7 pages
Proc. SPIE 10969, Nano-, Bio-, Info-Tech Sensors and 3D Systems III, 109690S (27 March 2019); doi: 10.1117/12.2516005
Show Author Affiliations
Han-Hsiang Chen, National Tsing Hua Univ. (Taiwan)
Yen-Tse Cheng, National Tsing Hua Univ. (Taiwan)
Chi-leung Tsui, Univ. of Washington (United States)
Yu-hsin Chiang, National Tsing Hua Univ. (Taiwan)
Chu-yun Kao, National Tsing Hua Univ. (Taiwan)
Wei-Chih Wang, National Tsinghua Univ. (Taiwan)
Univ. of Washington (United States)


Published in SPIE Proceedings Vol. 10969:
Nano-, Bio-, Info-Tech Sensors and 3D Systems III
Jaehwan Kim, Editor(s)

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