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Proceedings Paper

Fabrication of long period fiber gratings based on embedded-core hollow optical fiber
Author(s): Chunying Guan; Xing Zhong; Xiaozhong Tian; Shuqiang Li; Libo Yuan
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Paper Abstract

We propose and experimentally demonstrate a novel long period fiber grating (LPFG) in an embedded-core hollow optical fiber (ECHOF). Without the structural deformation of the air hole and the fiber core, the high-quality LPFG can be fabricated within a few scanning cycles by a high-frequency CO2 laser with a low energy density of 0.896J/mm2. The ECHOF LPFG reveals a high temperature sensitivity of 50.2 pm/°C and a low strain sensitivity of 0.4 pm/με. Due to the good performance and easy fabrication, the ECHOF LPFG will be important to develop novel in-fiber devices.

Paper Details

Date Published: 2 June 2014
PDF: 4 pages
Proc. SPIE 9157, 23rd International Conference on Optical Fibre Sensors, 91572L (2 June 2014); doi: 10.1117/12.2059040
Show Author Affiliations
Chunying Guan, Harbin Engineering Univ. (China)
Xing Zhong, Harbin Engineering Univ. (China)
Xiaozhong Tian, PetroChina Co. (China)
Harbin Engineering Univ. (China)
Shuqiang Li, Harbin Engineering Univ. (China)
Libo Yuan, Harbin Engineering Univ. (China)

Published in SPIE Proceedings Vol. 9157:
23rd International Conference on Optical Fibre Sensors
José M. López-Higuera; Julian D. C. Jones; Manuel López-Amo; José Luis Santos, Editor(s)

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