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Proceedings Paper

Cellulose nanoporous foam for improving THz gas sensing
Author(s): Yen-Tse Cheng; Han-Hsiang Chen; Chi-leung Tsui; Wei-Chih Wang
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Paper Abstract

Many polar gas molecules possess distinct transitions in the terahertz frequency range. In this work, we present the design and fabrication of foam based THz gas sensor. This foam structure is auspicious for use as an effective sensing material owing to its high porosity, greatly reduction in its transmission loss in the Terahertz regime. To optimize the efficacy of cellulose in gas detection, we evaluate the properties of these porosities constructed by different fabrication process.

Paper Details

Date Published: 27 March 2019
PDF: 6 pages
Proc. SPIE 10969, Nano-, Bio-, Info-Tech Sensors and 3D Systems III, 109690O (27 March 2019); doi: 10.1117/12.2516004
Show Author Affiliations
Yen-Tse Cheng, National Tsing Hua Univ. (Taiwan)
Han-Hsiang Chen, National Tsing Hua Univ. (Taiwan)
Chi-leung Tsui, Univ. of Washington (United States)
Wei-Chih Wang, National Tsing Hua 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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