Temperature imaging in low-pressure flames using diode lasers

Borggren, Jesper and Burns, Iain and Sahlberg, Anna Lena and Li, Zhongshan and Aldén, Marcus; (2014) Temperature imaging in low-pressure flames using diode lasers. In: Imaging and Applied Optics 2014, OSA Technical Digest. Optical Society of America, GBR. ISBN 9781557523082 (https://doi.org/10.1364/LACSEA.2014.LM2D.6)

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Abstract

We present a calibration free technique for spatially resolved imaging of flame temperature. Its application is demonstrated in a low pressure premixed methane flame seeded with indium. Temperature measurements over a range of equivalence ratios are investigated.