Oxygen Concentration and Temperature Mapping Using Single Diode Laser Wavelength Modulation Spectrometry

Oxygen Concentration and Temperature Mapping Using Single Diode Laser Wavelength Modulation Spectrometry

This study introduces a novel approach for gas concentration and temperature mapping (GCTM) utilizing wavelength modulation spectrometry with a single diode laser. Our method integrates camera imaging and phase-sensitive detection to map oxygen concentration and temperature accurately across various...

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Veröffentlicht in:IEEE transactions on instrumentation and measurement 2024, Vol.73, p.1-8
Hauptverfasser: Liu, Xu, Du, Zhenhui, Wang, Zehua, Li, Jinyi
Format: Artikel
Sprache:eng
Schlagworte:
2-D temperature distribution
4-D mapping
Absorption
Gas lasers
Imaging
Measurement by laser beam
Optical variables measurement
oxygen concentration mapping
Spectroscopy
Temperature distribution
Temperature measurement
Temperature sensors
Wavelength measurement
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Zusammenfassung:This study introduces a novel approach for gas concentration and temperature mapping (GCTM) utilizing wavelength modulation spectrometry with a single diode laser. Our method integrates camera imaging and phase-sensitive detection to map oxygen concentration and temperature accurately across various environmental conditions. Validation experiments demonstrate the capability of our system to measure oxygen concentrations as low as 4.2% and temperatures up to 1393.9 K. These results suggest significant potential for advancing multidimensional LiDAR technologies for environmental and industrial applications.
ISSN:0018-9456
1557-9662
DOI:10.1109/TIM.2024.3481587