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Optical and Quantum Electronics

Simultaneous measurement of refractive-index and temperature with high sensitivity by combined use of long-period grating and defect cavity in photonic crystal fibers

  • 01-10-2017
Published in:
Authors
Hai Liu
Qing Wang
Yan Wang
Ce Tan
Chenghao Zhu
Yi Ding
Deqiang Cheng
Published in
Optical and Quantum Electronics | Issue 10/2017

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Abstract

A dual-parameter sensor for measuring refractive-index and temperature is designed based on a magnetic fluids infiltrated photonic crystal fiber. By inserting a defective cavity in the cladding layer and inscribing a long-period grating on the fiber core, the proposed sensing mechanism can be achieved directly. The mode coupling and the confinement loss of cladding modes are investigated, and a dual-parameter matrix method is utilized to solve the cross-sensitivity problem. In addition, the relationship between resonant wavelength and external magnetic-field has been studied, which can be used for measuring the magnetic field.

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Title
Simultaneous measurement of refractive-index and temperature with high sensitivity by combined use of long-period grating and defect cavity in photonic crystal fibers
Authors
Hai Liu
Qing Wang
Yan Wang
Ce Tan
Chenghao Zhu
Yi Ding
Deqiang Cheng
Publication date
01-10-2017
Publisher
Springer US
Published in
Optical and Quantum Electronics / Issue 10/2017
Print ISSN: 0306-8919
Electronic ISSN: 1572-817X
DOI
https://doi.org/10.1007/s11082-017-1162-9
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