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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 48, Iss. 33 — Nov. 20, 2009
  • pp: 6400–6407

Particle image identification and correlation analysis in microscopic holographic particle image velocimetry

S. Andrew Wormald and Jeremy Coupland  »View Author Affiliations


Applied Optics, Vol. 48, Issue 33, pp. 6400-6407 (2009)
http://dx.doi.org/10.1364/AO.48.006400


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Abstract

This paper discusses the different analysis methods used in holographic particle image velocimetry to measure particle displacement and compares their relative performance. A digital holographic microscope is described and is used to record the light scattered by particles deposited on cover slides that are displaced between exposures. In this way, particle position and displacement are controlled and a numerical data set is generated. Data extraction using nearest neighbor analysis and correlation of either the reconstructed complex amplitude or intensity fields is then investigated.

© 2009 Optical Society of America

OCIS Codes
(110.0180) Imaging systems : Microscopy
(120.7250) Instrumentation, measurement, and metrology : Velocimetry
(180.6900) Microscopy : Three-dimensional microscopy
(280.7250) Remote sensing and sensors : Velocimetry
(090.1995) Holography : Digital holography
(070.3185) Fourier optics and signal processing : Invariant optical fields

ToC Category:
Holography

History
Original Manuscript: July 24, 2009
Revised Manuscript: September 29, 2009
Manuscript Accepted: October 19, 2009
Published: November 10, 2009

Citation
S. Andrew Wormald and Jeremy Coupland, "Particle image identification and correlation analysis in microscopic holographic particle image velocimetry," Appl. Opt. 48, 6400-6407 (2009)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-48-33-6400

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