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Title: The Design of a Photonic Crystal Fiber for Hydrogen Cyanide Gas Detection
Authors: Pourfathi Fard, A
Makouei, S
Danishvar, M
Danishvar, S
Keywords: photonic crystal fiber;gas sensor;relative sensitivity;confinement loss;hydrogen cyanide
Issue Date: 17-Feb-2024
Publisher: MDPI
Citation: Pourfathi Fard, A. et al. (2024) 'The Design of a Photonic Crystal Fiber for Hydrogen Cyanide Gas Detection', Photonics, 11 (2), 178, pp. 1 - 13. doi: 10.3390/photonics11020178.
Abstract: Hydrogen cyanide gas is a dangerous and fatal gas that is one of the causes of air pollution in the environment. A small percentage of this gas causes poisoning and eventually death. In this paper, a new PCF is designed that offers high sensitivity and low confinement loss in the absorption wavelength of hydrogen cyanide gas. The proposed structure consists of circular layers that are located around the core, which is also composed of circular microstructures. The finite element method (FEM) is used to simulate the results. According to the results, the PCF gives a high relative sensitivity of 65.13% and a low confinement loss of 1.5 × 10−3 dB/m at a wavelength of 1.533 µm. The impact of increasing the concentration of hydrogen cyanide gas on the relative sensitivity and confinement loss is investigated. The high sensitivity and low confinement losses of the designed PCF show that this optical structure could be a good candidate for the detection of this gas in industrial and medical environments.
Description: Data Availability Statement: Data are contained within the article.
Other Identifiers: ORCiD: Somayeh Makouei
ORCiD: Morad Danishvar
ORCiD: Sebelan Danishvar
Appears in Collections:Dept of Civil and Environmental Engineering Research Papers

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