Please use this identifier to cite or link to this item: http://hdl.handle.net/2440/112056
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Type: Journal article
Title: Terahertz detection of alcohol using a photonic crystal fiber sensor
Author: Sultana, J.
Islam, M.
Ahmed, K.
Dinovitser, A.
Ng, B.
Abbott, D.
Citation: Applied Optics, 2018; 57(10):2426-2433
Publisher: Optical Society of America
Issue Date: 2018
ISSN: 1559-128X
2155-3165
Statement of
Responsibility: 
Jakeya Sultana, Md. Saiful Islam, Kawsar Ahmed, Alex Dinovitser, Brian W.-H. Ng and Derek Abbott
Abstract: Ethanol is widely used in chemical industrial processes as well as in the food and beverage industry. Therefore, methods of detecting alcohol must be accurate, precise, and reliable. In this content, a novel Zeonex-based photonic crystal fiber (PCF) has been modeled and analyzed for ethanol detection in terahertz frequency range. A finite-element-method-based simulation of the PCF sensor shows a high relative sensitivity of 68.87% with negligible confinement loss of 7.79×10−12  cm−1 at 1 THz frequency and -polarization mode. Moreover, the core power fraction, birefringence, effective material loss, dispersion, and numerical aperture are also determined in the terahertz frequency range. Owing to the simple fiber structure, existing fabrication methods are feasible. With the outstanding waveguiding properties, the proposed sensor can potentially be used in ethanol detection, as well as polarization-preserving applications of terahertz waves.
Rights: Journal © 2018 Optical Society of America
RMID: 0030084934
DOI: 10.1364/AO.57.002426
Grant ID: http://purl.org/au-research/grants/arc/DP170104981
Appears in Collections:Electrical and Electronic Engineering publications

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