Modelling and simulation of a porous core photonic crystal fibre for terahertz wave propagation

IK Yakasai, PE Abas, S Ali, F Begum - Optical and Quantum Electronics, 2019 - Springer
… This is because the background material in itself absorbs light in THz frequencies and the
loss through this absorption represents a major portion of loss from the fibre. EML of a PC-PCF …

Low loss and highly birefringent photonic crystal fibre for terahertz applications

IK Yakasai, PE Abas, H Suhaimi, F Begum - Optik, 2020 - Elsevier
… between 0.1 THz and 10 THz frequency range [1]. … 1.2 THz and 1.5 THz frequency points.
This phenomenon may be associated to the difference in mode field localisation at various fibre

Proposal of novel photonic crystal fibre for sensing adulterated petrol and diesel with kerosene in terahertz frequencies

I Kabir Yakasai, PE Abas, F Begum - IET Optoelectronics, 2020 - Wiley Online Library
crystal fibre (LC-PCF) based on the Zeonex substrate has been proposed for sensing the
varying concentration of kerosene in petrol and diesel fuels in terahertz frequencies… the fibre on …

Numerical demonstration of triangular shaped photonic crystal fibre‐based biosensor in the Terahertz range

K Ahmed, BK Paul, F Ahmed, MA Jabin… - IET …, 2021 - Wiley Online Library
… field confinement distribution as a function of the frequency respectively for x and y-polarization
at operating 1.5 THz frequency for the proposed fibre. It can be said that the transmission …

Modelling and simulation of novel liquid‐infiltrated PCF biosensor in Terahertz frequencies

NANB Suhaimi, IK Yakasai, E Abas… - IET …, 2020 - Wiley Online Library
… photonic crystal fibre (LI-PCF) is proposed for guiding terahertz … , the optical properties
of the photonic crystal fibre (PCF) are … At an operating frequency of 1 THz, the proposed LI-PCF …

Terahertz Wave Propagation Characteristics in Graded Teflon Based Solid-Core Photonic Crystal Fibre

S Dash, V Mathur, N Pandey… - Journal of Physics …, 2023 - iopscience.iop.org
… We can see the variation of the group velocity dispersion in the THz frequency range in
Fig 6. The graph indicates that our profile is in the normal region of operation since GVD …

[PDF][PDF] Extremely sensitive chemical sensor for terahertz regime based on a hollow-core photonic crystal fibre

MS Reza, MA Habib - Ukr. J. Phys. Opt, 2020 - ifo.lviv.ua
… -core photonic crystal fibre. It is aimed at identification of different chemicals using terahertz-range
… signal as belonging to the terahertz range when its frequency changes from 0.1 to 10 …

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

MR Islam, AMA Naser, FZ Jaba, F Anzum… - IET …, 2022 - Wiley Online Library
… As stated earlier, Zeonex is selected as the building material for our model as its RI of 1.53
is persistent at a broad range of terahertz frequencies [52, 53]. As a result, the effects due to …

Spider web ultrasensitive terahertz photonic crystal fiber for chemical sensing

MR Islam, M Mamadou - Optical Engineering, 2020 - spiedigitallibrary.org
… index of 1.53 in the terahertz frequency range, high biocompatibility, … crystal fiber (PC-PCF)
of 85.7% at 1.6 THz, with a very low dispersion and confinement loss of 0.47 ± 0.265 ps / THz

Theoretical assessment of a porous core photonic crystal fiber for terahertz wave propagation

IK Yakasai, A Rahman, PE Abas… - Journal of Optical …, 2022 - degruyter.com
… The fiber showed an EML of 0.05 cm −1 and a dispersion variation of 0.38 ps/THz/cm,
spanning over 1–1.6 THz frequency range. Moreover, the loss of terahertz radiation that occurs …