Diode laser induced fluorescence for gas-phase diagnostics

Iain Burns, C.F. Kaminski

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

We highlight the capabilities and potential of diode laser induced fluorescence for measurements in gas-phase reacting flows. Many applications of diode lasers in practical sensing are based on absorption spectroscopy. Fluorescence-based diagnostics possess similar advantages in terms of practicality and implementation-cost but additionally are capable of achieving excellent spatial resolution. Diode laser fluorescence instruments have been employed for high-sensitivity trace gas monitoring in applications ranging from plasma physics to atmospheric chemistry. This article begins by describing the UV-visible diode laser technology used to perform fluorescence. The principles of diode laser induced fluorescence are then reviewed and a comparison is made with absorption spectroscopy. Examples are given of concentration measurements of both atomic and molecular trace gases. Recent work on using diode laser induced atomic fluorescence for precision measurements of flame temperature is also reviewed. We conclude by a discussion of future opportunities for diode laser fluorescence spectroscopy drawing attention to interesting potential target species as well as novel application areas, such as monitoring of synthesis processes for nanomaterials.


Read More: http://www.oldenbourg-link.com/doi/abs/10.1524/zpch.2011.0182
LanguageEnglish
Pages1343-1368
Number of pages24
JournalZeitschrift für Physikalische Chemie
Volume225
Issue number11-12
DOIs
Publication statusPublished - Dec 2011

Fingerprint

laser induced fluorescence
Semiconductor lasers
Gases
Fluorescence
semiconductor lasers
diodes
vapor phases
fluorescence
absorption spectroscopy
Absorption spectroscopy
reacting flow
flame temperature
atmospheric chemistry
plasma physics
Atmospheric chemistry
gases
Laser spectroscopy
Monitoring
Fluorescence spectroscopy
spatial resolution

Keywords

  • laser-induced fluorescence
  • flame temperature
  • gas-phase concentrations
  • spectroscopy
  • diode laser

Cite this

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abstract = "We highlight the capabilities and potential of diode laser induced fluorescence for measurements in gas-phase reacting flows. Many applications of diode lasers in practical sensing are based on absorption spectroscopy. Fluorescence-based diagnostics possess similar advantages in terms of practicality and implementation-cost but additionally are capable of achieving excellent spatial resolution. Diode laser fluorescence instruments have been employed for high-sensitivity trace gas monitoring in applications ranging from plasma physics to atmospheric chemistry. This article begins by describing the UV-visible diode laser technology used to perform fluorescence. The principles of diode laser induced fluorescence are then reviewed and a comparison is made with absorption spectroscopy. Examples are given of concentration measurements of both atomic and molecular trace gases. Recent work on using diode laser induced atomic fluorescence for precision measurements of flame temperature is also reviewed. We conclude by a discussion of future opportunities for diode laser fluorescence spectroscopy drawing attention to interesting potential target species as well as novel application areas, such as monitoring of synthesis processes for nanomaterials.Read More: http://www.oldenbourg-link.com/doi/abs/10.1524/zpch.2011.0182",
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Diode laser induced fluorescence for gas-phase diagnostics. / Burns, Iain; Kaminski, C.F.

In: Zeitschrift für Physikalische Chemie, Vol. 225, No. 11-12, 12.2011, p. 1343-1368.

Research output: Contribution to journalArticle

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AB - We highlight the capabilities and potential of diode laser induced fluorescence for measurements in gas-phase reacting flows. Many applications of diode lasers in practical sensing are based on absorption spectroscopy. Fluorescence-based diagnostics possess similar advantages in terms of practicality and implementation-cost but additionally are capable of achieving excellent spatial resolution. Diode laser fluorescence instruments have been employed for high-sensitivity trace gas monitoring in applications ranging from plasma physics to atmospheric chemistry. This article begins by describing the UV-visible diode laser technology used to perform fluorescence. The principles of diode laser induced fluorescence are then reviewed and a comparison is made with absorption spectroscopy. Examples are given of concentration measurements of both atomic and molecular trace gases. Recent work on using diode laser induced atomic fluorescence for precision measurements of flame temperature is also reviewed. We conclude by a discussion of future opportunities for diode laser fluorescence spectroscopy drawing attention to interesting potential target species as well as novel application areas, such as monitoring of synthesis processes for nanomaterials.Read More: http://www.oldenbourg-link.com/doi/abs/10.1524/zpch.2011.0182

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