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

Hai Liu; Chenghao Zhu; Yan Wang; Ce Tan; Hongwei Li; Deqiang Cheng

doi:10.1117/1.OE.56.5.057112

25 May 2017 Polarization-dependent transverse-stress sensing based on photonic crystal fiber with gold-coated air-holes

Hai Liu, Chenghao Zhu, Yan Wang, Ce Tan, Hongwei Li, Deqiang Cheng

Author Affiliations +

Optical Engineering, Vol. 56, Issue 5, 057112 (May 2017). https://doi.org/10.1117/1.OE.56.5.057112

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.

Citation Download Citation

Hai Liu, Chenghao Zhu, Yan Wang, Ce Tan, Hongwei Li, and Deqiang Cheng "Polarization-dependent transverse-stress sensing based on photonic crystal fiber with gold-coated air-holes," Optical Engineering 56(5), 057112 (25 May 2017). https://doi.org/10.1117/1.OE.56.5.057112

Received: 10 January 2017; Accepted: 8 May 2017; Published: 25 May 2017

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