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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 42, Iss. 27 — Sep. 20, 2003
  • pp: 5577–5590

Time-Resolved Laser-Induced Incandescence of Soot: The Influence of Experimental Factors and Microphysical Mechanisms

Hope A. Michelsen, Peter O. Witze, David Kayes, and Simone Hochgreb  »View Author Affiliations


Applied Optics, Vol. 42, Issue 27, pp. 5577-5590 (2003)
http://dx.doi.org/10.1364/AO.42.005577


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Abstract

We present a data set for testing models of time-resolved laser-induced incandescence of soot. Measurements were made in a laminar ethene diffusion flame over a wide range of laser fluences at 532 nm. The laser was seeded to provide a smooth temporal profile, and the beam was spatially filtered and imaged into the flame to provide a homogeneous spatial profile. The particle incandescence was imaged onto a fast photodiode. The measurements are compared with the standard Melton model [Appl. Opt. 23, 2201 (1984)] and with a new model that incorporates physical mechanisms not included in the Melton model.

© 2003 Optical Society of America

[Optical Society of America ]

OCIS Codes
(120.1740) Instrumentation, measurement, and metrology : Combustion diagnostics
(300.0300) Spectroscopy : Spectroscopy
(350.4990) Other areas of optics : Particles

Citation
Hope A. Michelsen, Peter O. Witze, David Kayes, and Simone Hochgreb, "Time-Resolved Laser-Induced Incandescence of Soot: The Influence of Experimental Factors and Microphysical Mechanisms," Appl. Opt. 42, 5577-5590 (2003)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-42-27-5577

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