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Optics Letters

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  • Editor: Alan E. Willner
  • Vol. 34, Iss. 9 — May. 1, 2009
  • pp: 1309–1311

Ultrahigh-frame-rate OH fluorescence imaging in turbulent flames using a burst-mode optical parametric oscillator

Joseph D. Miller, Mikhail Slipchenko, Terrence R. Meyer, Naibo Jiang, Walter R. Lempert, and James R. Gord  »View Author Affiliations


Optics Letters, Vol. 34, Issue 9, pp. 1309-1311 (2009)
http://dx.doi.org/10.1364/OL.34.001309


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Abstract

Burst-mode planar laser-induced fluorescence (PLIF) imaging of the OH radical is demonstrated in laminar and turbulent hydrogen–air diffusion flames with pulse repetition rates up to 50 kHz . Nearly 1 mJ /pulse at 313.526 nm is used to probe the OH P 2 ( 10 ) rotational transition in the (0,0) band of the A-X system. The UV radiation is generated by a high-speed-tunable, injection-seeded optical parametric oscillator pumped by a frequency-doubled megahertz-rate burst-mode Nd:YAG laser. Preliminary kilohertz-rate wavelength scanning of the temperature-broadened OH transition during PLIF imaging is also presented for the first time (to our knowledge), and possible strategies for spatiotemporally resolved planar OH spectroscopy are discussed.

© 2009 Optical Society of America

OCIS Codes
(120.1740) Instrumentation, measurement, and metrology : Combustion diagnostics
(140.3280) Lasers and laser optics : Laser amplifiers
(190.4970) Nonlinear optics : Parametric oscillators and amplifiers
(300.2530) Spectroscopy : Fluorescence, laser-induced
(110.6915) Imaging systems : Time imaging

ToC Category:
Imaging Systems

History
Original Manuscript: March 16, 2009
Revised Manuscript: March 16, 2009
Manuscript Accepted: March 23, 2009
Published: April 17, 2009

Citation
Joseph D. Miller, Mikhail Slipchenko, Terrence R. Meyer, Naibo Jiang, Walter R. Lempert, and James R. Gord, "Ultrahigh-frame-rate OH fluorescence imaging in turbulent flames using a burst-mode optical parametric oscillator," Opt. Lett. 34, 1309-1311 (2009)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-34-9-1309


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References

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