Jannatun Ferdous*, Md. Dulal Haque, Md. Selim Hossain, Md.Abubakar Siddik and Md. Mahfujur Rahman
This work proposes a Hexagonal-core Photonic Crystal Fiber (H-PCF) based edible oil sensor in the Terahertz (THz) range (1.0 THz ≤ f ≤ 3.0 THz) and different sensing characteristics are numerically analyzed. The suggested sensor’s performance was assessed by means of COMSOL multi physics, a commercial program that uses the Full Vector Finite Element Method (FV-FEM). The computational results indicate that the relative sensitivity is 85.591%, 84.648%, 82.625%, 82.683%, and 79.161%, respectively, at f=2.2 THz, for several types of sunflower oil, mustard oil, coconut oil, olive oil and palm oil; and the corresponding effective areas are 7.22 × 10-8 m2, 7.09 × 10-8 m2, 6.83 × 10-8 m2, 7.09 × 10-8 m2, 6.5231 × 10-8 m2. In addition, the effective material loss for sunflower oil, muster oil, coconut oil, olive oil, and palm oil has been found to be 0.02561 cm-1, 0.027054 cm-1, 0.030322 cm-1, 0.028854 cm-1, 0.035427cm-1 respectively. Moreover, the proposed sensor also has low confinement loss are 1.55 × 10-8 dB/m, 1.63 × 10-8 dB/m, 1.31 × 10-8 dB/m, 1.99 × 10-8 dB/m, 4.0345 × 10-8 dB/m. This proposed sensor can be fabricated using extrusion and 3D-printing technologies, and due to its augmented detecting capabilities, this proposed sensor can be used in edible oil sensing, food and beverage industry as well as various polarization maintaining terahertz application.
Published Date: 2024-05-29; Received Date: 2024-03-28
