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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Glenn D. Boreman
  • Vol. 44, Iss. 36 — Dec. 20, 2005
  • pp: 7697–7708

Four-dimensional dynamic flow measurement by holographic particle image velocimetry

Ye Pu and Hui Meng  »View Author Affiliations


Applied Optics, Vol. 44, Issue 36, pp. 7697-7708 (2005)
http://dx.doi.org/10.1364/AO.44.007697


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Abstract

The ultimate goal of holographic particle image velocimetry (HPIV) is to provide space- and time-resolved measurement of complex flows. Recent new understanding of holographic imaging of small particles, pertaining to intrinsic aberration and noise in particular, has enabled us to elucidate fundamental issues in HPIV and implement a new HPIV system. This system is based on our previously reported off-axis HPIV setup, but the design is optimized by incorporating our new insights of holographic particle imaging characteristics. Furthermore, the new system benefits from advanced data processing algorithms and distributed parallel computing technology. Because of its robustness and efficiency, for the first time to our knowledge, the goal of both temporally and spatially resolved flow measurements becomes tangible. We demonstrate its temporal measurement capability by a series of phase-locked dynamic measurements of instantaneous three-dimensional, three-component velocity fields in a highly three-dimensional vortical flow—the flow past a tab.

© 2005 Optical Society of America

OCIS Codes
(090.0090) Holography : Holography
(110.6880) Imaging systems : Three-dimensional image acquisition
(120.7250) Instrumentation, measurement, and metrology : Velocimetry
(290.5850) Scattering : Scattering, particles

ToC Category:
Holography

History
Original Manuscript: April 21, 2005
Revised Manuscript: September 7, 2005
Manuscript Accepted: September 8, 2005
Published: December 20, 2005

Citation
Ye Pu and Hui Meng, "Four-dimensional dynamic flow measurement by holographic particle image velocimetry," Appl. Opt. 44, 7697-7708 (2005)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-44-36-7697

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