Design and performance improvement of optical chemical sensor based photonic crystal fiber (PCF) in the terahertz (THz) wave propagation

MS Hossain, S Sen - Silicon, 2021 - Springer
… A heptagonal cladding (HC) with the rotated-hexacore (RH) in photonic crystal fiber (H-PCF)
has been made for the field of chemical sensing in the terahertz (THz) area. There are five …

Quasi-photonic crystal fiber-based spectroscopic chemical sensor in the terahertz spectrum: Design and analysis

BK Paul, K Ahmed, D Vigneswaran… - IEEE Sensors …, 2018 - ieeexplore.ieee.org
chemical sensing applications in the terahertz regime. The maximum sensing response occurs
from the proposed model at f = 1.3 THz … same model when f = 0.8 THz, which may assist …

A novel approach for spectroscopic chemical identification using photonic crystal fiber in the terahertz regime

MS Islam, J Sultana, K Ahmed, MR Islam… - IEEE Sensors …, 2017 - ieeexplore.ieee.org
chemical sensor is proposed in the terahertz frequency range. Topas is proposed as the bulk
material for our fiber sensor… Cross section of the proposed terahertz PC-PCF sensor with its …

Terahertz detection of alcohol using a photonic crystal fiber sensor

J Sultana, MS Islam, K Ahmed, A Dinovitser, BWH Ng… - Applied …, 2018 - opg.optica.org
… -based chemical sensor was proposed [10]. Tuning their designed … terahertz sensor, we
paid careful attention to the fabrication point of view. It is well known that ± 2 % variation of fiber

[HTML][HTML] Design and analysis of a chemical sensing octagonal photonic crystal fiber (O-PCF) based optical sensor with high relative sensitivity for terahertz (THz) …

M Abdullah-Al-Shafi, S Sen - Sensing and Bio-Sensing Research, 2020 - Elsevier
This article represents a new structure of octagonal cladding with a rotated-hexa core in
photonic crystal fiber (O-PCF) for chemical sensing application in the terahertz (THz) waveguide. …

Sensing of toxic chemicals using polarized photonic crystal fiber in the terahertz regime

MS Islam, J Sultana, A Dinovitser, K Ahmed… - Optics …, 2018 - Elsevier
terahertz we proposed a PCF based chemical sensor using a … We obtained a high chemical
sensitivity with low loss [16] … based sensors for toxic cyanide detection in the terahertz band. …

[HTML][HTML] Detection of primary chemical analytes in the THz regime with photonic crystal fiber

RH Jibon, ME Rahaman, MA Alahe - Sensing and Bio-Sensing Research, 2021 - Elsevier
… as the performance measurement parameters for any PCF based chemical sensors. For
fulfilling this reason numerous researches are conducted over the past few years. An aqua …

A highly birefringent photonic crystal fiber for terahertz spectroscopic chemical sensing

T Yang, L Zhang, Y Shi, S Liu, Y Dong - Sensors, 2021 - mdpi.com
… Results of enormous simulations indicate that a minimum 87.8% relative chemical … to 1.5
THz. We believe that the proposed PCF can be applied to chemical sensing of liquid and THz

Proposal for a quad-elliptical photonic crystal fiber for terahertz wave guidance and sensing chemical warfare liquids

I Yakasai, PE Abas, SF Kaijage, W Caesarendra… - Photonics, 2019 - mdpi.com
… A liquid chemical sensor is a device which is used to transform … A Zeonex-based
photonic crystal fiber with QE core air holes was proposed for guiding THz radiation. At 1.2 …

THz spectroscopic sensing of liquid chemicals using a photonic crystal fiber

A Rahman, A Khaleque, MY Ali, MT Rahman - OSA Continuum, 2020 - opg.optica.org
chemical sensor having circular cladding with rotated hexa-core in PCF was designed by Sen
et al. in 2019 [19] in terahertz … material for different fiber-based sensors in the THz regime. …