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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 24, Iss. 18 — Sep. 15, 1985
  • pp: 2981–2986

Time-resolved crossed-beam thermal lens measurement as a nonintrusive probe of flow velocity

Wayne A. Weimer and Norman J. Dovichi  »View Author Affiliations


Applied Optics, Vol. 24, Issue 18, pp. 2981-2986 (1985)
http://dx.doi.org/10.1364/AO.24.002981


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Abstract

A simple theory is generated for crossed-beam thermal lens and photothermal deflection in flowing sample streams. This theory is used to analyze time-resolved crossed-beam thermal lens data. The result of the regression analysis may be used as a good probe of flow velocity in the 0.2–30-mm/sec range in liquid streams. Faster flow velocity should be measurable in gas streams.

© 1985 Optical Society of America

Citation
Wayne A. Weimer and Norman J. Dovichi, "Time-resolved crossed-beam thermal lens measurement as a nonintrusive probe of flow velocity," Appl. Opt. 24, 2981-2986 (1985)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-24-18-2981

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