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Proceedings Paper

Temperature and strain response of Michelson interferometer with asymmetric two-core photonic crystal fiber
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Paper Abstract

We fabricated asymmetric two-core photonic crystal fiber (AS-TC-PCF) and observed the temperature and strain responses of the Michelson interferometer based on it. The asymmetric two cores induce optical path length difference and produce polarization-dependent interference fringes. The temperature and strain sensitivities of the AS-TC-PCF were measured using the interference fringe shift. With increasing temperature, the interference fringes shifted to longer wavelengths, and the temperature sensitivities were measured to be 5.06 pm/°C and 11.05 pm/°C, respectively, for different polarizations. However, with increasing strain, the interference fringes shifted to shorter wavelengths, and the strain sensitivities were measured to be -0.50 pm/με and -1.87 pm/με, respectively.

Paper Details

Date Published: 7 November 2012
PDF: 4 pages
Proc. SPIE 8421, OFS2012 22nd International Conference on Optical Fiber Sensors, 84217D (7 November 2012); doi: 10.1117/12.975198
Show Author Affiliations
Jihee Han, Gwangju Institute of Science and Technology (Korea, Republic of)
Bongkyun Kim, Gwangju Institute of Science and Technology (Korea, Republic of)
Khurram Naeem, Gwangju Institute of Science and Technology (Korea, Republic of)
Youngjoo Chung, Gwangju Institute of Science and Technology (Korea, Republic of)


Published in SPIE Proceedings Vol. 8421:
OFS2012 22nd International Conference on Optical Fiber Sensors
Yanbiao Liao; Wei Jin; David D. Sampson; Ryozo Yamauchi; Youngjoo Chung; Kentaro Nakamura; Yunjiang Rao, Editor(s)

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