Laser Spectroscopy Sensing for Gas Detection
A special issue of Sensors (ISSN 1424-8220). This special issue belongs to the section "Optical Sensors".
Deadline for manuscript submissions: 28 February 2026 | Viewed by 18
Special Issue Editor
Interests: photoacoustic spectroscopy; quartz-enhanced photoacoustic spectroscopy; light-induced thermoelastic spectroscopy; TDLAS-multipass cell
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Special Issue Information
Dear Colleagues,
The precise, sensitive, and selective detection of gases is critical across numerous fields, including environmental monitoring, industrial process control, safety and security, medical diagnostics, and atmospheric research. Laser spectroscopy has emerged as a preeminent technology in this domain, offering unparalleled advantages such as high sensitivity, specificity, real-time response, and non-contact measurement capabilities. Recent advancements in laser sources, detectors, and spectroscopic techniques are continuously pushing the boundaries of performance, miniaturization, and cost-effectiveness.
This Special Issue of Sensors invites original research articles and comprehensive reviews focusing on the latest innovations and applications in laser spectroscopy for gas detection. Topics of interest include, but are not limited to, the following:
Advanced Techniques: Development and application of Tunable Diode Laser Absorption Spectroscopy (TDLAS), Cavity Ring-Down Spectroscopy (CRDS), Photoacoustic Spectroscopy (PAS), Quartz-Enhanced Photoacoustic Spectroscopy (QEPAS), Light-induced thermoelastic spectroscopy (LITES), Integrated Cavity Output Spectroscopy (ICOS), Faraday Rotation Spectroscopy (FRS), Laser-Induced Fluorescence (LIF), and other novel laser spectroscopic methods.
Technology Enablers: Innovations in laser sources (QCLs, ICLs, DFBs, VCSELs), detectors, optical cavities, gas cells, waveguide structures, and signal processing algorithms enhancing sensitivity, selectivity, and robustness.
System Integration and Applications: Development of compact, portable, multi-gas, and distributed sensors; field deployment experiences; applications in environmental monitoring (GHGs, pollutants), industrial safety (leak detection, process control), breath analysis, security (explosives, CWAs), and fundamental science.
New Materials and Concepts: Exploration of novel materials for enhanced gas-light interaction or novel spectroscopic concepts for challenging detection scenarios.
We welcome contributions that demonstrate significant advances in the science, engineering, and practical implementation of laser spectroscopic gas sensors. Join us in showcasing the cutting-edge developments shaping the future of this vital sensing field.
Dr. Ying He
Guest Editor
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Keywords
- tunable diode laser absorption spectroscopy (TDLAS)
- cavity ring-down spectroscopy (CRDS)
- photoacoustic spectroscopy (PAS)
- quartz-enhanced photoacoustic spectroscopy (QEPAS)
- light-induced thermoelastic spectroscopy (LITES)
- integrated cavity output spectroscopy (ICOS)
- laser-induced fluorescence (LIF)
- laser-induced breakdown spectroscopy (LIBS)
- quantum cascade laser (QCL)
- interband cascade lasers (ICL)
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