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Short-range supercontinuum based lidar for combustion diagnostics

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

Details

Original languageEnglish
Title of host publicationSPIE Future Sensing Technologies
EditorsMasafumi Kimata, Christopher R. Valenta
PublisherSPIE, IEEE
ISBN (Electronic)9781510631113
DOIs
Publication statusPublished - 2019
Publication typeA4 Article in a conference publication
EventSPIE Future Sensing Technologies - Tokyo, Japan
Duration: 14 Nov 2019 → …

Publication series

NameProceedings of SPIE
Volume11197
ISSN (Print)0277-786X
ISSN (Electronic)1996-756X

Conference

ConferenceSPIE Future Sensing Technologies
CountryJapan
CityTokyo
Period14/11/19 → …

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.

Keywords

  • Combustion, Diagnostics, Lidar, Remote sensing, Supercontinuum

Publication forum classification

Field of science, Statistics Finland