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Title: Curvature sensor based on an LPG written in an air-clad thin-core fiber
Authors: Wu, C
Feng, ZW
Liu, ZY 
Sun, LP
Li, J
Guan, BO
Tam, HY 
Keywords: Fiber-optic sensors
Microstructured optical fibers
Long-period gratings
Curvature sensing
Issue Date: 2016
Publisher: Institute of Electrical and Electronics Engineers
Source: 15th International Conference on Optical Communications and Networks (ICOCN), Hangzhou, People's Republic of China, Sep 24-27, 2016 How to cite?
Abstract: In this paper, we report a curvature sensor based on an LPG written in an air-clad thin-core fiber (AC-TCF). The achieved curvature sensitivity is -0.226 nm/m(-1) with a good linearity with R-2 value of 0.991. Unlike conventional LPGs, this AC-TCF LPG is insensitive to the variation of surrounding refractive index, due to the existence of the one ring of large air-holes in the cross section of the AC-TCF.
ISBN: 978-1-5090-3491-8
ISSN: 2330-7986
Appears in Collections:Conference Paper

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