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Proceedings Paper

Characteristics of hydrogen gas sensor based on a wavelength division multiplexing fiber coupler
Author(s): Kwan Seob Park; Joo Beom Eom; Min-Su Park; Young Ho Kim; Seong Jun Park; Jae-Hyeong Jang; Byeong Ha Lee
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Paper Abstract

A fiber optic sensor based on the wavelength division multiplexer coated with a palladium (Pd) thin film is designed for hydrogen gas detection. The sensing mechanism of this sensor is measuring the wavelength shift that is induced by the evanescent field interaction with the refractive index change of Pd film when it absorbs hydrogen.

Paper Details

Date Published: 18 May 2011
PDF: 4 pages
Proc. SPIE 7753, 21st International Conference on Optical Fiber Sensors, 775362 (18 May 2011); doi: 10.1117/12.885182
Show Author Affiliations
Kwan Seob Park, Gwangju Institute of Science and Technology (Korea, Republic of)
Joo Beom Eom, Gwangju Institute of Science and Technology (Korea, Republic of)
Min-Su Park, Gwangju Institute of Science and Technology (Korea, Republic of)
Young Ho Kim, Gwangju Institute of Science and Technology (Korea, Republic of)
Seong Jun Park, Gwangju Institute of Science and Technology (Korea, Republic of)
Jae-Hyeong Jang, Gwangju Institute of Science and Technology (Korea, Republic of)
Byeong Ha Lee, Gwangju Institute of Science and Technology (Korea, Republic of)


Published in SPIE Proceedings Vol. 7753:
21st International Conference on Optical Fiber Sensors
Jacques Albert; Wojtek J. Bock, Editor(s)

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