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Proceedings Paper

Enhancement of temperature sensitivity of a Mach-Zehnder interferometer based on a polymer-overlaid microfiber
Author(s): Min-Seok Yoon; Yoen Jun Kim; Soo Kyung Kim; Young-Geun Han
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Paper Abstract

A simple technique to effectively enhance the temperature sensitivity of the Mach-Zehnder interferometer (MZI) by using a microfiber with low index polymer coating is theoretically and experimentally investigated. We successfully improve the temperature sensitivity of the polymer-overlaid microfiber MZI to be -6.68 nm/°C around a temperature of 25°C, which is 13 times higher than that of the microfiber MZI without polymer coating. A linear temperature sensitivity of 10.44 pm-1/°C was achieved in the spatial frequency domain after Fourier transform.

Paper Details

Date Published: 28 September 2015
PDF: 4 pages
Proc. SPIE 9634, 24th International Conference on Optical Fibre Sensors, 96345J (28 September 2015); doi: 10.1117/12.2192649
Show Author Affiliations
Min-Seok Yoon, Hanyang Univ. (Korea, Republic of)
Yoen Jun Kim, Hanyang Univ. (Korea, Republic of)
Soo Kyung Kim, Hanyang Univ. (Korea, Republic of)
Young-Geun Han, Hanyang Univ. (Korea, Republic of)

Published in SPIE Proceedings Vol. 9634:
24th International Conference on Optical Fibre Sensors
Hypolito José Kalinowski; José Luís Fabris; Wojtek J. Bock, Editor(s)

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