Materials, Photonic Devices, and Sensors

Polarization-dependent transverse-stress sensing based on photonic crystal fiber with gold-coated air-holes

[+] Author Affiliations
Hai Liu, Chenghao Zhu, Yan Wang, Ce Tan, Hongwei Li, Deqiang Cheng

China University of Mining and Technology, School of Information and Control Engineering, Xuzhou, Jiangsu, China

Opt. Eng. 56(5), 057112 (May 25, 2017). doi:10.1117/1.OE.56.5.057112
History: Received January 10, 2017; Accepted May 8, 2017
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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.

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© 2017 Society of Photo-Optical Instrumentation Engineers

Citation

Hai Liu ; Chenghao Zhu ; Yan Wang ; Ce Tan ; Hongwei Li, et al.
"Polarization-dependent transverse-stress sensing based on photonic crystal fiber with gold-coated air-holes", Opt. Eng. 56(5), 057112 (May 25, 2017). ; http://dx.doi.org/10.1117/1.OE.56.5.057112


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