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All Journal International Journal of Electrical and Computer Engineering Bulletin of Electrical Engineering and Informatics International Journal of Advances in Intelligent Informatics Emerging Science Journal
Hossen, Md. Jakir
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Computer Science & IT Electrical & Electronics Engineering Environmental Science

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Journal : Emerging Science Journal

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Fiber Optic Breakthrough: Terahertz Detection of Illegal Drugs Noor, Khalid Sifulla; Bani, Most. Momtahina; Islam, Md. Safiul; Ferdous, A.H.M. Iftekharul; Hossen, Md. Jakir; Al-Mamun, Abdullah; Badhon, Nasir Uddin
Emerging Science Journal Vol 8, No 6 (2024): December
Publisher : Ital Publication

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.28991/ESJ-2024-08-06-019

Abstract

The article presents an illegal drug detector that utilizes photonic crystal fiber (PCF). The fiber structure of the H-PCF comprises a dodecagonal core and circular air gaps in cladding areas. We have analyzed the designed terahertz (THz) frequency range utilizing the Finite Element Method (FEM) and the COMSOL Multiphysics application. The revised design has a high sensitivity in detecting amphetamine (n = 1.518) and cocaine (n = 1.5022) at a frequency of 3 THz, via detection rates of 99.43% and 99.20%, correspondingly. Furthermore, the suggested fiber, which operates at a frequency of 3 THz, has a relatively tiny confinement loss of 4.93×10-08 dB/m and 6.16×10-09 dB/m and a minimal effective material loss of construction of 0.0032 cm-1. In conclusion, it may be stated that drug misuse not only leads to immediate repercussions but also has severe and enduring impacts on human health, potentially resulting in fatality. Hence, it is imperative to accurately and effectively detect illicit substances. H-PCF architecture we offered is well-suited to detect illegal drugs. Doi: 10.28991/ESJ-2024-08-06-019 Full Text: PDF
Co-Authors Al Mamun, Abdullah Al-Mamun, Abdullah Badhon, Nasir Uddin Bani, Most. Momtahina Basiron, Halizah Em, Poh Ping Ferdous, A.H.M. Iftekharul Hoque, Jesmeen Mohd Zebaral Hossen, Busrat Islam, Aminul Islam, Md. Safiul Jahan, Busrat Musha, Ahmmad Noor, Khalid Sifulla Ramanath, Thirumalaimuthu Thirumalaiappan Ranjbari, Sima Tahabilder, Anik Tawsif Khan, Chy. Mohammed