Design and optimization of photonic crystal fiber based sensor for gas condensate and air pollution monitoringReport as inadecuate




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Photonic Sensors

pp 1–12

First Online: 18 April 2017Received: 13 February 2017Revised: 10 March 2017DOI: 10.1007-s13320-017-0404-6

Cite this article as: Islam, M.I., Ahmed, K., Sen, S. et al. Photonic Sens 2017. doi:10.1007-s13320-017-0404-6

Abstract

In this paper, a hexagonal shape photonic crystal fiber H-PCF has been proposed as a gas sensor of which both micro-structured core and cladding are organized by circular air cavities. The reported H-PCF has a single layer circular core which is surrounded by a five-layer hexagonal cladding. The overall pretending process of the H-PCF is completed by using a full vectorial finite element method FEM with perfectly matched layer PML boundary condition. All geometrical parameters like diameters and pitches of both core and cladding regions have fluctuated with an optimized structure. After completing the numerical analysis, it is clearly visualized that the proposed H-PCF exhibits high sensitivity with low confinement loss. The investigated results reveal the relative sensitivity of 56.65% and confinement loss of 2.31×10 dB-m at the 1.33-μm wavelength. Moreover, effective area, nonlinearity, and V-parameter of the suggested PCF are also briefly described.

KeywordsRelative sensitivity confinement loss gas sensor effective area nonlinearity and photonic crystal fiber This article is published with open access at Springerlink.com

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Author: Md. Ibadul Islam - Kawsar Ahmed - Shuvo Sen - Sawrab Chowdhury - Bikash Kumar Paul - Md. Shadidul Islam - Mohammad Badru

Source: https://link.springer.com/







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