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Proceedings Paper

Discrimination of chemical vapor and temperature effects by using a polarization-maintaining photonic crystal fiber interferometer
Author(s): Naram Jun; Hyun-Joo Kim; Sang Bae Lee; Young-Geun Han
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Paper Abstract

A reflection-type interferometer based on a polarization-maintaining photonic crystal fiber (PM-PCF) is investigated for simultaneous measurement of chemical vapor and temperature. The PM-PCF with a length of 2.6 cm is fusion-spliced to standard single-mode fiber and airholes of the PM-PCF are fully collapsed allowing the excitation of different core and cladding modes in the PM-PCF corresponding to two orthogonal polarization modes. Since airholes at the end of the PM-PCF interferometer are left open, a chemical vapor can be infiltrated into the voids. Different sensitivities corresponding to input polarization states are utilized for discrimination between chemical vapor and temperature effects.

Paper Details

Date Published: 17 October 2012
PDF: 4 pages
Proc. SPIE 8421, OFS2012 22nd International Conference on Optical Fiber Sensors, 842110 (17 October 2012); doi: 10.1117/12.966374
Show Author Affiliations
Naram Jun, Hanyang Univ. (Korea, Republic of)
Hyun-Joo Kim, Hanyang Univ. (Korea, Republic of)
Sang Bae Lee, Korea Institute of Science and Technology (Korea, Republic of)
Young-Geun Han, Hanyang Univ. (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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