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Optical Engineering

Polarization-dependent transverse-stress sensing based on photonic crystal fiber with gold-coated air-holes
Author(s): Hai Liu; Chenghao Zhu; Yan Wang; Ce Tan; Hongwei Li; Deqiang Cheng
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Paper Abstract

A transverse-stress sensor with polarization filtering function based on a specially designed photonic crystal fiber (PCF) is proposed. Four ultralarge side-holes are introduced into the cladding layer, and two of them are gold-coated to enhance the stress sensitivity. The finite element method is applied to study the polarization-dependent wavelength-selective sensing characteristics at the optical communication wavelength. Results reveal that the sensor can achieve a high sensitivity in either direction that can be divided into an x -direction component and a y -direction component. Combining the advantages of side-hole structure and surface plasmon resonance technology, the proposed sensor is believed to be an excellent candidate for the transverse-stress measurement.

Paper Details

Date Published: 25 May 2017
PDF: 9 pages
Opt. Eng. 56(5) 057112 doi: 10.1117/1.OE.56.5.057112
Published in: Optical Engineering Volume 56, Issue 5
Show Author Affiliations
Hai Liu, China Univ. of Mining and Technology (China)
Chenghao Zhu, China Univ. of Mining and Technology (China)
Yan Wang, China Univ. of Mining and Technology (China)
Ce Tan, China Univ. of Mining and Technology (China)
Hongwei Li, China Univ. of Mining and Technology (China)
Deqiang Cheng, China Univ. of Mining and Technology (China)

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