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Type: Journal article
Title: Terahertz sensing in a hollow core photonic crystal fiber
Author: Islam, M.S.
Sultana, J.
Rifat, A.A.
Dinovitser, A.
Ng, B.W.-.H.
Abbott, D.
Citation: IEEE Sensors Journal, 2018; 18(10):4073-4080
Publisher: IEEE
Issue Date: 2018
ISSN: 1530-437X
Statement of
Md. Saiful Islam, Jakeya Sultana, Ahmmed A. Rifat, Alex Dinovitser, Brian Wai-Him Ng, Derek Abbott
Abstract: A terahertz sensor based on a hollow core photonic crystal fiber has been proposed in this paper for chemical analyte detection in the terahertz frequency range. The Zeonex-based asymmetrical hollow core is filled with an analyte and surrounded by a number of asymmetrical rectangular air holes bounded by a perfectly matched layer with absorbing boundary conditions. The performance of the proposed sensor is numerically investigated by using finite element method-based COMSOL software. It is found that a hollow core provides a high relative sensitivity as well as low transmission loss. Moreover, simplicity in design facilitates manufacturability, making it practical for a number of different biological and industrial applications.
Keywords: Sensitivity; ethanol; chemicals; chemical sensors; optical sensors; fabrication
Rights: © 2018, IEEE.
RMID: 0030084449
DOI: 10.1109/JSEN.2018.2819165
Appears in Collections:Electrical and Electronic Engineering publications

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