25 May 2017 Polarization-dependent transverse-stress sensing based on photonic crystal fiber with gold-coated air-holes
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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.
© 2017 Society of Photo-Optical Instrumentation Engineers (SPIE)
Hai Liu, Hai Liu, Chenghao Zhu, Chenghao Zhu, Yan Wang, Yan Wang, Ce Tan, Ce Tan, Hongwei Li, Hongwei Li, Deqiang Cheng, 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 . Submission: Received: 10 January 2017; Accepted: 8 May 2017
Received: 10 January 2017; Accepted: 8 May 2017; Published: 25 May 2017
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