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Journal of the Optical Society of America A

Journal of the Optical Society of America A

| OPTICS, IMAGE SCIENCE, AND VISION

  • Vol. 20, Iss. 10 — Oct. 1, 2003
  • pp: 1920–1932

Intrinsic aberrations due to Mie scattering in particle holography

Ye Pu and Hui Meng  »View Author Affiliations


JOSA A, Vol. 20, Issue 10, pp. 1920-1932 (2003)
http://dx.doi.org/10.1364/JOSAA.20.001920


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Abstract

Holography of small particles is a newly revived topic because of its importance in holographic particle image velocimetry (HPIV). However, the property of particle images formed through holography remains largely unexplored. This fact undermines the measurement reliability of HPIV techniques and has become one of the obstacles in the full deployment of HPIV. We study the intrinsic aberrations in the holographic particle image introduced by particle light scattering and investigate how accurately holography can deliver information about the particles that are being imaged. Consistent with our experimental observations, simulations based on Mie scattering theory show that even with a perfect hologram the reconstructed particle images demonstrate complex three-dimensional morphologies and bodily shifts. These characteristics, manifested as image aberrations, result from uneven scattering amplitude and phase distributions across the finite aperture of the hologram. Such aberrations degrade the signal-to-noise ratio in the reconstructed image as well as introducing systematic errors in detected particle image positions. We examine the effect of these aberrations on HPIV measurements.

© 2003 Optical Society of America

OCIS Codes
(050.1940) Diffraction and gratings : Diffraction
(090.0090) Holography : Holography
(290.4020) Scattering : Mie theory

History
Original Manuscript: December 8, 2002
Revised Manuscript: April 17, 2003
Manuscript Accepted: April 17, 2003
Published: October 1, 2003

Citation
Ye Pu and Hui Meng, "Intrinsic aberrations due to Mie scattering in particle holography," J. Opt. Soc. Am. A 20, 1920-1932 (2003)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-20-10-1920

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