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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 39, Iss. 22 — Aug. 1, 2000
  • pp: 3875–3886

Phase-Doppler interferometry with probe-to-droplet size ratios less than unity. I. Trajectory Errors

Peter A. Strakey, Douglas G. Talley, Subra V. Sankar, and Will D. Bachalo  »View Author Affiliations


Applied Optics, Vol. 39, Issue 22, pp. 3875-3886 (2000)
http://dx.doi.org/10.1364/AO.39.003875


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Abstract

Phase-Doppler interferometry in which a probe volume that is much smaller than the droplets being measured has been shown to work well when coupled with a phase-ratio and intensity-validation scheme that is capable of eliminating trajectory-dependent scattering errors. With ray-tracing and geometric-optics models, the type and magnitude of trajectory errors were demonstrated quantitatively through stochastic trajectory calculations. Measurements with monodispersed water droplet streams and glass beads were performed to validate the model calculations and to characterize the probe volume. Scattered-light intensity has also been shown to provide a robust means of determining the probe cross-sectional area, which is critical for making accurate mass flux measurements.

© 2000 Optical Society of America

OCIS Codes
(120.3180) Instrumentation, measurement, and metrology : Interferometry
(120.4640) Instrumentation, measurement, and metrology : Optical instruments
(120.5050) Instrumentation, measurement, and metrology : Phase measurement

History
Original Manuscript: November 5, 1999
Revised Manuscript: April 4, 2000
Published: August 1, 2000

Citation
Peter A. Strakey, Douglas G. Talley, Subra V. Sankar, and Will D. Bachalo, "Phase-Doppler interferometry with probe-to-droplet size ratios less than unity. I. Trajectory Errors," Appl. Opt. 39, 3875-3886 (2000)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-39-22-3875

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