The design and analysis of a dual-diamond-ring PCF-based sensor

Paul, Bikash Kumar and Ahmed, Kawsar and El-Khozondar, Hala J. and Pobre, Romeric F. and Peña, Joelle Sophia G. and Merciales, Melanie C. and Zainuddin, Nur Aina'a Mardhiah and Zakaria, Rozalina and Dhasarathan, Vigneswaran (2020) The design and analysis of a dual-diamond-ring PCF-based sensor. Journal of Computational Electronics, 19 (3). pp. 1288-1294. ISSN 1569-8025, DOI

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A dual-diamond-ring photonic crystal fiber (PCF)-based sensor is proposed and analyzed herein for the detection of the concentration of alcohol in aqueous solution. Commercially available finite element method (FEM)-based simulation software (COMSOL Multiphysics® version 4.3b) is utilized to conduct a rigorous numerical investigation. The sample is injected inside the fiber. Several crucial optical parameters such as the index difference, coupling length, transmission spectrum, peak wavelength shift, and sensitivity are studied while ensuring an anisotropic perfectly matched layer (A-PML) for X and Y polarization, respectively. The results indicate that the coupling length strongly depends on the concentration of the solution. Moreover, maximum sensitivities for the X and Y polarization of 6166 nm/RIU and 6000 nm/RIU, respectively, are found from the computational model. Based on this outstanding performance, it can be anticipated that practical implementation of such sensors would open a new horizon in the area of biomedical or clinical sensing. © 2020, Springer Science+Business Media, LLC, part of Springer Nature.

Item Type: Article
Uncontrolled Keywords: Coupling length; Diamond-ring optical fiber sensor; Finite element method; Sensitivity
Subjects: T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions: Deputy Vice Chancellor (Research & Innovation) Office > Photonics Research Centre
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 18 Aug 2020 07:37
Last Modified: 18 Aug 2020 07:37

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