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Proceedings Paper

Long-period fiber gratings for low-cost sensing
Author(s): Yun-Jiang Rao
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Paper Abstract

In this paper, we presents a comprehensive overview of novel long-period fiber gratings (LPFGs) fabricated by using the high-frequency CO2 laser pulses technique for low-cost sensing. These LPFGs have not only better fabrication flexibility, better high temperature capability, much lower cost than those fabricated by the UV exposure method due to the use of relatively inexpensive CO2 lasers and standard telecommunication fibers, but also a number of unique bend, transverse load and torsion characteristics due to the asymmetrical refractive index distribution on the cross-section of the fiber induced by high-frequency CO2 laser pulses, offering greater potential for multi-parameter measurement.

Paper Details

Date Published: 23 May 2005
PDF: 4 pages
Proc. SPIE 5855, 17th International Conference on Optical Fibre Sensors, (23 May 2005); doi: 10.1117/12.623284
Show Author Affiliations
Yun-Jiang Rao, Univ. of Electronic Science and Technology of China (China)
Chongqing Univ. (China)

Published in SPIE Proceedings Vol. 5855:
17th International Conference on Optical Fibre Sensors
Marc Voet; Reinhardt Willsch; Wolfgang Ecke; Julian Jones; Brian Culshaw, Editor(s)

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