六方多孔包层空芯光子晶体光纤太赫兹氰化物探测传感器的设计

IF 2.3 4区 计算机科学 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC
Mohammad Rakibul Islam, Ahmed Mujtaba Al Naser, Fatema Zerin Jaba, Fariha Anzum, Abu Nayeem Mohammad Iftekher, Md Rezaul Hoque Khan, Mirza Muntasir Nishat
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引用次数: 6

摘要

介绍了一种利用Zeonex公司研制的六角形多孔包层空芯光子晶体光纤(HOPC-VC-PCF)传感器,该传感器可以在太赫兹波段探测氰化物。氰化物对人类来说是非常致命的化学物质,因为它们可以迅速造成损害甚至死亡;这些有害物质必须准确地加以鉴别。在三种不同的分析物的太赫兹区广谱上分析了所提出的模型,并使用有限元方法进行了数值研究。仿真结果表明,在最佳设计参数下,获得了99.75%的极高灵敏度、0.5 × 10−13 cm−1的可忽略的约束损耗、0.12 ps THz/cm的极低且平坦的色散等优异特性。详细介绍了系统的性能分析和设计方法。由于简单的设计,模型的制造是很容易实现的,以目前的技术。卓越的传感能力将使其不仅适用于化学分析,而且在其他应用中也将发挥重要作用。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Design of a hexagonal outlined porous cladding with vacant core photonic crystal fibre biosensor for cyanide detection at THz regime

Design of a hexagonal outlined porous cladding with vacant core photonic crystal fibre biosensor for cyanide detection at THz regime

A hexagonal outlined porous cladding with vacant core photonic crystal fibre (HOPC-VC-PCF) sensor using Zeonex has been presented, which can detect cyanides at the THz regime. Cyanides are incredibly lethal chemicals to humans as they can rapidly cause impairment or even death; such harmful substances must be identified precisely. The proposed model has been analysed at a broad spectrum of THz regimes for three different analytes, and the numerical investigation is performed using the Finite element method (FEM). Simulation results exhibit that at optimum design parameters, extremely high sensitivity of 99.75%, negligible confinement loss of 0.5 × 10−13 cm−1, extremely low and flat dispersion of 0.12 ps THz/cm, and other excellent features were obtained. The performance analysis and the design methodology have been depicted in detail. Due to the simplistic design, fabrication of the model is easily achievable by current technology. The remarkable sensing capabilities will not only make it suited in chemicals analysis but also will play vital roles in other applications as well.

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来源期刊
Iet Optoelectronics
Iet Optoelectronics 工程技术-电信学
CiteScore
4.50
自引率
0.00%
发文量
26
审稿时长
6 months
期刊介绍: IET Optoelectronics publishes state of the art research papers in the field of optoelectronics and photonics. The topics that are covered by the journal include optical and optoelectronic materials, nanophotonics, metamaterials and photonic crystals, light sources (e.g. LEDs, lasers and devices for lighting), optical modulation and multiplexing, optical fibres, cables and connectors, optical amplifiers, photodetectors and optical receivers, photonic integrated circuits, photonic systems, optical signal processing and holography and displays. Most of the papers published describe original research from universities and industrial and government laboratories. However correspondence suggesting review papers and tutorials is welcomed, as are suggestions for special issues. IET Optoelectronics covers but is not limited to the following topics: Optical and optoelectronic materials Light sources, including LEDs, lasers and devices for lighting Optical modulation and multiplexing Optical fibres, cables and connectors Optical amplifiers Photodetectors and optical receivers Photonic integrated circuits Nanophotonics and photonic crystals Optical signal processing Holography Displays
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