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Optics Letters

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  • Editor: Anthony J. Campillo
  • Vol. 32, Iss. 15 — Aug. 1, 2007
  • pp: 2221–2223

Simultaneous high-speed measurement of temperature and lifetime-corrected OH laser-induced fluorescence in unsteady flames

Terrence R. Meyer, Galen B. King, Matthew Gluesenkamp, and James R. Gord  »View Author Affiliations


Optics Letters, Vol. 32, Issue 15, pp. 2221-2223 (2007)
http://dx.doi.org/10.1364/OL.32.002221


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Abstract

A means of performing simultaneous, high-speed measurements of temperature and OH lifetime-corrected laser-induced fluorescence (LIF) for tracking unsteady flames has been developed and demonstrated. The system uses the frequency-doubled and frequency-tripled output beams of an 80 MHz mode-locked Ti:sapphire laser to achieve ultrashort laser pulses (order 2 ps ) for Rayleigh-scattering thermometry at 460 nm and lifetime-corrected OH LIF at 306.5 nm , respectively. Simultaneous, high-speed measurements of temperature and OH number density enable studies of flame chemistry, heat release, and flame extinction in unsteady, strained flames where the local fluorescence-quenching environment is unknown.

© 2007 Optical Society of America

OCIS Codes
(120.1740) Instrumentation, measurement, and metrology : Combustion diagnostics
(290.5870) Scattering : Scattering, Rayleigh
(300.2530) Spectroscopy : Fluorescence, laser-induced
(300.6500) Spectroscopy : Spectroscopy, time-resolved
(300.6530) Spectroscopy : Spectroscopy, ultrafast
(300.6540) Spectroscopy : Spectroscopy, ultraviolet

ToC Category:
Spectroscopy

History
Original Manuscript: May 2, 2007
Revised Manuscript: May 2, 2007
Manuscript Accepted: May 30, 2007
Published: July 24, 2007

Citation
Terrence R. Meyer, Galen B. King, Matthew Gluesenkamp, and James R. Gord, "Simultaneous high-speed measurement of temperature and lifetime-corrected OH laser-induced fluorescence in unsteady flames," Opt. Lett. 32, 2221-2223 (2007)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-32-15-2221

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