Detection of volatile organic compounds: From chemical gas sensors to terahertz spectroscopy

V Galstyan, A D'Arco, M Di Fabrizio, N Poli… - Reviews in Analytical …, 2021 - degruyter.com
Volatile organic compounds are released by different sources causing air pollution.
Moreover, some of these carbon-based organic chemicals are considered as biomarkers in …

Gold-immobilized photonic crystal fiber-based SPR biosensor for detection of malaria disease in human body

VS Chaudhary, D Kumar, S Kumar - IEEE sensors journal, 2021 - ieeexplore.ieee.org
This article presents the photonic crystal fiber (PCF) based surface plasmon resonance
(SPR) biosensor for early detection of malaria disease in humans by measurement of the …

Au-TiO2 Coated Photonic Crystal Fiber Based SPR Refractometric Sensor for Detection of Cancerous Cells

VS Chaudhary, D Kumar… - IEEE transactions on …, 2022 - ieeexplore.ieee.org
A surface plasmon resonance (SPR) refractometric sensor based on gold (Au) and titanium
dioxide (TiO 2) coated Photonic Crystal Fiber (PCF) is presented for the quick detection of …

Recent advances in K-SPR sensors for the detection of biomolecules and microorganisms: A review

S Uniyal, K Choudhary, S Sachdev… - IEEE Sensors …, 2022 - ieeexplore.ieee.org
This article summarizes the application of various optical techniques for biological sensing.
The presence of abnormal quantities of biomolecules (such as glucose, haemoglobin, etc.) …

Cancer cell detection by a heart-shaped dual-core photonic crystal fiber sensor

GP Mishra, D Kumar, VS Chaudhary, G Murmu - Applied Optics, 2020 - opg.optica.org
This paper contributes a novel design of sensor with a heart-shaped dual-core photonic
crystal fiber (PCF) to detect cancerous cells in human cervical, blood, adrenal glands, and …

Research on optimization of magnetic field sensing characteristics of PCF sensor based on SPR

S Yao, Y Yu, S Qin, D Wang, P Yan, Z Zhang - Optics express, 2022 - opg.optica.org
A photonic crystal fiber utilizing surface plasmon resonance (PCF-SPR) sensor based on
refractive index (RI) control of magnetic fluid (MF) is designed. The air holes of the sensor …

A high-sensitivity SPR sensor based on MMF-tapered HCF-MMF fiber structure for refractive index sensing

C Teng, M Li, R Min, S Deng, M Chen… - IEEE Sensors …, 2022 - ieeexplore.ieee.org
In this article, a high-sensitivity surface plasmon resonance (SPR) sensor based on
multimode fiber (MMF)-tapered hollow core fiber (THCF)-MMF structure is fabricated and …

Synthesis and characterization of gold nanoparticles and graphene oxide for the development of optical fiber biosensors

S Uniyal, K Choudhary, S Sachdev, S Kumar - Applied Optics, 2022 - opg.optica.org
Optical fiber technology, in association with the phenomenon of surface plasmon resonance
(SPR), has opened a new gateway for quick, easier, and accurate sensing of various …

An MMF-HCF Reflective SPR Sensor for Simultaneous Measurement of Temperature and Relative Humidity

C Teng, Y Liu, R Min, X Hu, Z Qin, H Deng… - IEEE Sensors …, 2023 - ieeexplore.ieee.org
In this article, a reflective surface plasmon resonance (SPR) sensor based on multimode
fiber (MMF)–hollow core fiber (HCF) structure is proposed for simultaneous measurement of …

Design and analysis of surface plasmon resonance based photonic crystal fiber sensor employing gold nanowires

G Soghra, B Jamal, M Bahar - Optik, 2022 - Elsevier
A simple design of photonic crystal fiber (PCF) sensor which utilizes surface plasmon
resonance (SPR) for refractive index detection is inspected to achieve high sensitivity. The …