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Open AccessArticle

PCF Based Sensor with High Sensitivity, High Birefringence and Low Confinement Losses for Liquid Analyte Sensing Applications

by 1,† and 2,*,†
1
Department of Computer Engineering, European University of Lefke, Mersin 10, Turkey
2
Department of Computer Science and Technologies, University of Bedfordshire, University Square, Luton, Bedfordshire LU1 3JU, UK
*
Author to whom correspondence should be addressed.
These authors contributed equally to this work.
Academic Editor: Vittorio M. N. Passaro
Sensors 2015, 15(12), 31833-31842; https://doi.org/10.3390/s151229891
Received: 7 November 2015 / Revised: 1 December 2015 / Accepted: 13 December 2015 / Published: 16 December 2015
(This article belongs to the Section Physical Sensors)
In this paper, we report a design of high sensitivity Photonic Crystal Fiber (PCF) sensor with high birefringence and low confinement losses for liquid analyte sensing applications. The proposed PCF structures are designed with supplementary elliptical air holes in the core region vertically-shaped V-PCF and horizontally-shaped H-PCF. The full vectorial Finite Element Method (FEM) simulations performed to examine the sensitivity, the confinement losses, the effective refractive index and the modal birefringence features of the proposed elliptical air hole PCF structures. We show that the proposed PCF structures exhibit high relative sensitivity, high birefringence and low confinement losses simultaneously for various analytes. View Full-Text
Keywords: evanescent sensing; photonic crystal fiber based; fiber sensors; integrated optics evanescent sensing; photonic crystal fiber based; fiber sensors; integrated optics
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Ademgil, H.; Haxha, S. PCF Based Sensor with High Sensitivity, High Birefringence and Low Confinement Losses for Liquid Analyte Sensing Applications. Sensors 2015, 15, 31833-31842.

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