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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 35, Iss. 30 — Oct. 20, 1996
  • pp: 6054–6061

Atomic vapor filter for two-dimensional Rayleigh imaging experiments with a narrow-band KrF excimer laser

P. Gölz and P. Andresen  »View Author Affiliations


Applied Optics, Vol. 35, Issue 30, pp. 6054-6061 (1996)
http://dx.doi.org/10.1364/AO.35.006054


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Abstract

An optical transition of atomic iron can be used to build a two-dimensional absorption filter that operates in the tuning range of a narrow-band KrF excimer laser (0.05-cm−1 bandwidth). Iron atoms with a number density of 2 × 1013 cm−3 are produced by thermal dissociation of iron pentacarbonyl [Fe(CO)5]. With this filter it is possible to discriminate Mie and surface-scattered light against Rayleigh scattering. For Rayleigh scattering from the exhaust gas of a methane–air flame at a measured temperature of 1970 K, the ratio of transmission for Rayleigh scattering to transmission for Mie scattering is 16.8. Single-shot scattering from the exhaust gas of a high-pressure burner is presented as an application.

© 1996 Optical Society of America

History
Original Manuscript: October 2, 1995
Revised Manuscript: April 24, 1996
Published: October 20, 1996

Citation
P. Gölz and P. Andresen, "Atomic vapor filter for two-dimensional Rayleigh imaging experiments with a narrow-band KrF excimer laser," Appl. Opt. 35, 6054-6061 (1996)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-35-30-6054

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