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Proceedings Paper

Strain and temperature discrimination by using a birefringence fiber loop and a long period grating in a photonic crystal fiber
Author(s): Chun-Liu Zhao; Jiarong Zhao; Wei Jin; X. Huang; Xinyong Dong
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Paper Abstract

We present a new design for simultaneous strain and temperature discrimination using a high-birefringence fiber loop mirror (HiBi-FLM) concatenated with a temperature insensitive long-period grating (LPG) written in a photonic crystal fiber (PCF). The FLM acts as a sensor head, while the LPG in PCF serves as a filter to convert wavelength variation to optical power change. By measuring the wavelength variation and the power difference of two near peaks in the spectral response of this configuration, strain and temperature discrimination is obtained.

Paper Details

Date Published: 29 October 2009
PDF: 4 pages
Proc. SPIE 7514, Photonics and Optoelectronics Meetings (POEM) 2009: Fiber Optic Communication and Sensors, 751413 (29 October 2009); doi: 10.1117/12.842870
Show Author Affiliations
Chun-Liu Zhao, China Jiliang Univ. (China)
Jiarong Zhao, South China Normal Univ. (China)
Wei Jin, Hong Kong Polytechnic Univ. (Hong Kong, China)
X. Huang, South China Normal Univ. (China)
Xinyong Dong, China Jiliang Univ. (China)


Published in SPIE Proceedings Vol. 7514:
Photonics and Optoelectronics Meetings (POEM) 2009: Fiber Optic Communication and Sensors

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