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Proceedings Paper

Sensing characteristics of tapered high-birefringent optical fiber
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Paper Abstract

A high-birefringent fiber (HBF) was tapered as adiabatic in sequence steps by utilizing a CO2 laser and its birefringence was measured in fiber loop mirror (FLM) setup. The birefringence of tapered section and total sensor was obtained to be -8.02×10-2, and 2.46×10-4, respectively. Then, refractive index (RI) sensitivity increased and temperature sensitivity of the tapered Hi-Bi fiber (THBF) decreased. The sensitivity of the proposed FLM interferometer for RI changes in the range from 1.3380 to 1.3470 was measured to be 389.85 nm/RIU. The temperature sensitivity in the range from 50°C to 90 °C was measured to be -1.19nm/°C.

Paper Details

Date Published: 7 November 2012
PDF: 4 pages
Proc. SPIE 8421, OFS2012 22nd International Conference on Optical Fiber Sensors, 84217O (7 November 2012); doi: 10.1117/12.968581
Show Author Affiliations
A. Layeghi, Shahid Beheshti Univ. (Iran, Islamic Republic of)
INESC Porto (Portugal)
M. I. Zibaii, Shahid Beheshti Univ. (Iran, Islamic Republic of)
INESC Porto (Portugal)
J. Sadeghi, Shahid Beheshti Univ. (Iran, Islamic Republic of)
O. Frazao, INESC Porto (Portugal)
P. A. S. Jorge, INESC Porto (Portugal)
H. Latifi, Shahid Beheshti Univ. (Iran, Islamic 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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