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Proceedings Paper

Enhanced resolution of long-period grating bend sensor
Author(s): L. Glavind; S. Gao; K. Cook; J. Canning; B. F. Skipper; Y. Luo; G. Peng; M. Kristensen
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Paper Abstract

We present an optical fiber bend sensor with enhanced resolution based on the principle of a Mach-Zehnder interferometer in transmission. The sensor is based on two identical Long-Period Gratings separated by approximately 100 mm in a D-shaped single-mode optical fiber. The sensor provides a narrow resonance bandwidth compared to a typical resonance from a Long-Period Grating. The sensor was recoated with low refractive index polyimide and embedded on a fiber-glass base plate before it was characterized as a bending sensor.

Paper Details

Date Published: 15 October 2013
PDF: 4 pages
Proc. SPIE 8924, Fourth Asia Pacific Optical Sensors Conference, 892437 (15 October 2013); doi: 10.1117/12.2031353
Show Author Affiliations
L. Glavind, Aarhus Univ. (Denmark)
Vestas Wind Systems A/S (Denmark)
S. Gao, The Univ. of Sydney (Australia)
Zhejiang Univ. (China)
K. Cook, The Univ. of Sydney (Australia)
J. Canning, The Univ. of Sydney (Australia)
B. F. Skipper, Aarhus Univ. (Denmark)
Y. Luo, The Univ. of New South Wales (Australia)
G. Peng, The Univ. of New South Wales (Australia)
M. Kristensen, Aarhus Univ. (Denmark)

Published in SPIE Proceedings Vol. 8924:
Fourth Asia Pacific Optical Sensors Conference
Minghong Yang; Dongning Wang; Yun-Jiang Rao, Editor(s)

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