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12 November 2019 Short-range supercontinuum based lidar for combustion diagnostics
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Proceedings Volume 11197, SPIE Future Sensing Technologies; 111970Y (2019) https://doi.org/10.1117/12.2542720
Event: SPIE Future Sensing Technologies, 2019, Tokyo, Japan
Abstract
We developed a short range Lidar system using a supercontinuum source spectrally tailored to cover the ro-vibrational transition energies of desired components of a flue gas. The system enables simultaneous remote measurements of the gas parameters, like temperature and concentration which play a key role in the performance of combustion power plants. The technique requires only one inspection window and can thus be used in combustion units with limited access. It exploits differential absorption between specific wavelength bands of the gas absorption spectrum. The transmittance of individual wavelength band is derived from the detected backscattered temporal intensity of the supercontinuum pulses. We demonstrate preliminary industrial measurement of water vapor temperature and concentration in a full scale boiler. The technique also enables 3D mapping of temperature and concentration.
© (2019) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Abba Saleh, Piotr Ryczkowski, Goery Genty, and Juha Toivonen "Short-range supercontinuum based lidar for combustion diagnostics", Proc. SPIE 11197, SPIE Future Sensing Technologies, 111970Y (12 November 2019); https://doi.org/10.1117/12.2542720
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