Optical gas sensing: a review

J Hodgkinson, RP Tatam - Measurement science and technology, 2012 - iopscience.iop.org
The detection and measurement of gas concentrations using the characteristic optical
absorption of the gas species is important for both understanding and monitoring a variety of …

Three-gas detection system with IR optical sensor based on NDIR technology

Q Tan, L Tang, M Yang, C Xue, W Zhang, J Liu… - Optics and Lasers in …, 2015 - Elsevier
In this paper, a three-gas detection system with a environmental parameter compensation
method is proposed based on Non-dispersive infra-red (NDIR) technique, which can be …

Laser-spectrometric gas analysis: CO2–TDLAS at 2 µm

JA Nwaboh, O Werhahn, P Ortwein… - Measurement …, 2012 - iopscience.iop.org
Employing direct absorption spectroscopy and using a spectrometer comprising a single-
pass and a multipass white cell, we probed the R (12) line of carbon dioxide (CO 2) in the …

Continuous and real-time indoor and outdoor methane sensing with portable optical sensor using rapidly pulsed IR LEDs

P Mahbub, A Noori, JS Parry, J Davis, A Lucieer… - Talanta, 2020 - Elsevier
We designed a simple, portable, low-cost and low-weight nondispersive infrared (NDIR)
spectroscopy-based system for continuous remote sensing of atmospheric methane (CH 4) …

Ultrasensitive and Fast Gas Detection Based on Room‐Temperature Indium Arsenide Mid‐Wavelength Infrared Photodetectors

Y Dong, S Duan, S Long, Y Jiang, X Ma… - Advanced Functional …, 2025 - Wiley Online Library
Combustible hydrocarbon gases, typified by methane, are invisible, odorless, and
imperceptible, yet they pose significant hazards to human safety and the environment …

Tunable Diode Laser Absorption Spectroscopy Sensor for Calibration Free Humidity Measurements in Pure Methane and Low CO2 Natural Gas

JA Nwaboh, S Pratzler, O Werhahn, V Ebert - Applied Spectroscopy, 2017 - opg.optica.org
We report a new direct tunable diode laser absorption spectroscopy (dTDLAS) sensor for
absolute measurements of H_2O in methane, ethane, propane, and low CO_2 natural gas …

Expanding catalytic sensor capabilities to combustible gas mixtures monitoring

II Ivanov, AM Baranov, DN Spirjakin, S Akbari… - Measurement, 2022 - Elsevier
Preventing the explosion of mixtures of combustible gases and vapors is an important task in
industry. This research presents an approach for rapid assessment of the explosiveness of …

Detection of potentially explosive methane levels using a solid-state infrared source

J Leis, D Buttsworth, C Snook… - IEEE Transactions on …, 2014 - ieeexplore.ieee.org
Detection of methane gas which may be approaching the concentration limit when explosive
ignition could occur is an important industrial problem. Optical methods for gas detection are …

Ultra sensitive NH3 gas detection using microfiber Bragg grating

H Fu, J Zhang, J Ding, Q Wang, H Li, M Shao, Y Liu… - Optics …, 2018 - Elsevier
In this paper, a microfiber Bragg grating (MFBG) is proposed and performed to detect
ammonia gas directly with high sensitivity. The sensor is fabricated by etching Fiber Bragg …

[PDF][PDF] A Comprehensive Review of State-of-the-art Optical Methods for Methane Gas Detection.

S Khandaker, N Shaipuzaman, MM Hasan… - Pertanika Journal of …, 2024 - 119.40.116.186
Methane (CH₄), a potent greenhouse gas, significantly contributes to climate change and
global warming. Its impact over 100 years surpasses carbon dioxide (CO₂) by 28 times …