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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 36, Iss. 22 — Aug. 1, 1997
  • pp: 5514–5522

Soot volume fraction imaging

Paul S. Greenberg and J. C. Ku  »View Author Affiliations


Applied Optics, Vol. 36, Issue 22, pp. 5514-5522 (1997)
http://dx.doi.org/10.1364/AO.36.005514


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Abstract

A technique is described for the determination of soot volume fractions by laser light extinction measurements. This technique differs from previously reported pointwise methods in that a two-dimensional array (i.e., image) of data is acquired simultaneously. In this fashion the net data rate is increased and allows the study of time-dependent phenomena and the investigation of spatial and temporal correlations. A telecentric imaging configuration is employed to provide depth invariant magnification and to permit the specification of the collection angle for scattered light. A method is also employed to suppress undesirable coherent imaging effects. A discussion of the tomographic inversion process is also provided, including the results obtained from numerical simulations.

© 1997 Optical Society of America

History
Original Manuscript: July 25, 1996
Revised Manuscript: December 12, 1996
Published: August 1, 1997

Citation
Paul S. Greenberg and J. C. Ku, "Soot volume fraction imaging," Appl. Opt. 36, 5514-5522 (1997)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-36-22-5514

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