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A new photonic crystal fiber gas sensor with a hexagonal microstructure core suitable for a wide range of wavelengths

ARYAN ABBASZADEH1, SOMAYEH MAKOUEI1,* , SAEED MESHGINI1

Affiliation

  1. Faculty of Electrical and Computer Engineering, University of Tabriz, Tabriz, 51664, Iran

Abstract

A photonic crystal fiber gas sensor is proposed, which gives the highest sensitivity for the wide range of 1.1μm to 1.7μm. The numerical investigation for analyzing the optical properties is calculated by the finite element method. The simulation results show that the proposed PCF gives high relative sensitivity as high as 74.53% and high birefringence of 2.1×10-2 and effective area of 5.47μm2 and low confinement loss 4.37×10-2 dB/m at the wavelength of λ=1.33μm. The variation of diameter of holes is investigated, and the result shows that this structure shows good resistance for errors from fabrication processes.

Keywords

Photonic crystal fiber, Gas sensor, Relative sensitivity, Confinement loss.

Submitted at: Jan. 13, 2021
Accepted at: Nov. 24, 2021

Citation

ARYAN ABBASZADEH, SOMAYEH MAKOUEI, SAEED MESHGINI, A new photonic crystal fiber gas sensor with a hexagonal microstructure core suitable for a wide range of wavelengths, Journal of Optoelectronics and Advanced Materials Vol. 23, Iss. 11-12, pp. 521-529 (2021)