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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 38, Iss. 20 — Oct. 15, 2013
  • pp: 4015–4018

Accurate measurement of out-of-plane particle displacement from the cross correlation of sequential digital in-line holograms

Daniel R. Guildenbecher, Phillip L. Reu, Howard Lee Stuaffacher, and Thomas Grasser  »View Author Affiliations


Optics Letters, Vol. 38, Issue 20, pp. 4015-4018 (2013)
http://dx.doi.org/10.1364/OL.38.004015


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Abstract

A new method to quantify three-dimensional particle fields using digital in-line holography is presented. From sequentially recorded holograms, the maximum cross correlation of edge sharpness within local particle windows yields an accurate measurement of particle displacements. Experiments demonstrate out-of-plane displacement uncertainty of approximately 0.15 mean particle diameters, which is roughly an order-of-magnitude improvement compared with alternative methods. Application to shotgun pellets demonstrates robustness despite experimental noise.

© 2013 Optical Society of America

OCIS Codes
(100.6890) Image processing : Three-dimensional image processing
(120.0120) Instrumentation, measurement, and metrology : Instrumentation, measurement, and metrology
(090.1995) Holography : Digital holography

ToC Category:
Holography

History
Original Manuscript: August 2, 2013
Manuscript Accepted: August 22, 2013
Published: October 4, 2013

Citation
Daniel R. Guildenbecher, Phillip L. Reu, Howard Lee Stuaffacher, and Thomas Grasser, "Accurate measurement of out-of-plane particle displacement from the cross correlation of sequential digital in-line holograms," Opt. Lett. 38, 4015-4018 (2013)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-38-20-4015

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