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Diode laser-based thermometry using two-line atomic fluorescence of indium and gallium

Borggren, Jesper LU ; Weng, Wubin LU ; Hosseinnia, Ali LU ; Bengtsson, Per Erik LU ; Aldén, Marcus LU and Li, Zhongshan LU (2017) In Applied Physics B: Lasers and Optics 123(12).
Abstract

A robust and relatively compact calibration-free thermometric technique using diode lasers two-line atomic fluorescence (TLAF) for reactive flows at atmospheric pressures is investigated. TLAF temperature measurements were conducted using indium and, for the first time, gallium atoms as temperature markers. The temperature was measured in a multi-jet burner running methane/air flames providing variable temperatures ranging from 1600 to 2000 K. Indium and gallium were found to provide a similar accuracy of ~ 2.7% and precision of ~ 1% over the measured temperature range. The reliability of the TLAF thermometry was further tested by performing simultaneous rotational CARS measurements in the same experiments.

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author
organization
publishing date
type
Contribution to journal
publication status
published
subject
in
Applied Physics B: Lasers and Optics
volume
123
issue
12
publisher
Springer
external identifiers
  • scopus:85033455664
  • wos:000417748300003
ISSN
0946-2171
DOI
10.1007/s00340-017-6855-z
language
English
LU publication?
yes
id
9ccb5050-8484-45fe-be84-e0029d499128
date added to LUP
2017-11-20 08:20:48
date last changed
2018-01-16 13:25:50
@article{9ccb5050-8484-45fe-be84-e0029d499128,
  abstract     = {<p>A robust and relatively compact calibration-free thermometric technique using diode lasers two-line atomic fluorescence (TLAF) for reactive flows at atmospheric pressures is investigated. TLAF temperature measurements were conducted using indium and, for the first time, gallium atoms as temperature markers. The temperature was measured in a multi-jet burner running methane/air flames providing variable temperatures ranging from 1600 to 2000 K. Indium and gallium were found to provide a similar accuracy of ~ 2.7% and precision of ~ 1% over the measured temperature range. The reliability of the TLAF thermometry was further tested by performing simultaneous rotational CARS measurements in the same experiments.</p>},
  articleno    = {278},
  author       = {Borggren, Jesper and Weng, Wubin and Hosseinnia, Ali and Bengtsson, Per Erik and Aldén, Marcus and Li, Zhongshan},
  issn         = {0946-2171},
  language     = {eng},
  month        = {12},
  number       = {12},
  publisher    = {Springer},
  series       = {Applied Physics B: Lasers and Optics},
  title        = {Diode laser-based thermometry using two-line atomic fluorescence of indium and gallium},
  url          = {http://dx.doi.org/10.1007/s00340-017-6855-z},
  volume       = {123},
  year         = {2017},
}