Highly Effective PCF Sensor for Ensuring Edible Oil Safety and Quality Within the THz Regime

IF 1.5 Q3 TELECOMMUNICATIONS

IET Wireless Sensor Systems Pub Date : 2025-03-17 DOI:10.1049/wss2.70002

Diponkar Kundu, Mir Sabbir Hossain, Most. Momtahina Bani, A. H. M. Iftekharul Ferdous, Khalid Sifulla Noor, Laxmi rani, Md. Safiul Islam

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Abstract

This research presents a novel square hollow-core photonic crystal fibre (PCF) sensor designed for the detection of food-grade oils in the terahertz (THz) frequency range. The sensor’s effectiveness is quantitatively evaluated using COMSOL Multiphysics, a sophisticated simulation tool that employs finite element methodology (FEM) to model complex interactions within the fibre structure. Simulation outcomes reveal that, under optimal geometric parameters, the proposed sensor achieves an exceptional relative sensitivity of 98.27% for various edible oils at an ideal frequency of 2.2 THz, significantly outperforming existing technologies. Additionally, the sensor exhibits minimal confinement loss of 1.428 × 10⁻⁸ dB/m and a low effective material loss of 0.004246 cm⁻¹, facilitating accurate detection of slight refractive index variations related to the chemical compositions of different oils. This high sensitivity enables non-destructive testing, allowing for the analysis of oils without compromising their composition or quality, thereby maintaining the integrity of food products. Ultimately, the proposed PCF sensor enhances food safety monitoring and paves the way for advanced applications in the food industry, ensuring consumers receive high-quality products.

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在太赫兹范围内确保食用油安全和质量的高效PCF传感器

本研究提出了一种新型的方形空心芯光子晶体光纤（PCF）传感器，用于检测太赫兹（THz）频率范围内的食品级油。该传感器的有效性使用COMSOL Multiphysics进行了定量评估，COMSOL Multiphysics是一种复杂的仿真工具，采用有限元方法（FEM）来模拟纤维结构内复杂的相互作用。仿真结果表明，在最优几何参数下，该传感器在2.2太赫兹的理想频率下，对各种食用油的相对灵敏度达到了98.27%，显著优于现有技术。此外，该传感器具有最小的约束损耗（1.428 × 10−8 dB/m）和低的有效材料损耗（0.004246 cm−1），有助于准确检测与不同油的化学成分相关的微小折射率变化。这种高灵敏度使无损检测成为可能，允许在不影响其成分或质量的情况下分析油，从而保持食品的完整性。最终，所提出的PCF传感器增强了食品安全监测，为食品行业的先进应用铺平了道路，确保消费者获得高质量的产品。

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来源期刊

IET Wireless Sensor Systems TELECOMMUNICATIONS-

CiteScore

4.90

自引率

5.30%

发文量

审稿时长

33 weeks

期刊介绍： IET Wireless Sensor Systems is aimed at the growing field of wireless sensor networks and distributed systems, which has been expanding rapidly in recent years and is evolving into a multi-billion dollar industry. The Journal has been launched to give a platform to researchers and academics in the field and is intended to cover the research, engineering, technological developments, innovative deployment of distributed sensor and actuator systems. Topics covered include, but are not limited to theoretical developments of: Innovative Architectures for Smart Sensors;Nano Sensors and Actuators Unstructured Networking; Cooperative and Clustering Distributed Sensors; Data Fusion for Distributed Sensors; Distributed Intelligence in Distributed Sensors; Energy Harvesting for and Lifetime of Smart Sensors and Actuators; Cross-Layer Design and Layer Optimisation in Distributed Sensors; Security, Trust and Dependability of Distributed Sensors. The Journal also covers; Innovative Services and Applications for: Monitoring: Health, Traffic, Weather and Toxins; Surveillance: Target Tracking and Localization; Observation: Global Resources and Geological Activities (Earth, Forest, Mines, Underwater); Industrial Applications of Distributed Sensors in Green and Agile Manufacturing; Sensor and RFID Applications of the Internet-of-Things ("IoT"); Smart Metering; Machine-to-Machine Communications.