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Optics Letters

Optics Letters


  • Editor: Xi-Cheng Zhang
  • Vol. 39, Iss. 5 — Mar. 1, 2014
  • pp: 1298–1301

Three-dimensional location of micrometer-sized particles in macroscopic domains using astigmatic aberrations

Thomas Fuchs, Rainer Hain, and Christian J. Kähler  »View Author Affiliations

Optics Letters, Vol. 39, Issue 5, pp. 1298-1301 (2014)

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This Letter presents a theoretical and experimental image formation study in the presence of astigmatic aberrations. A three-dimensional, macroscopic location scheme of micrometer-sized particles for the single camera astigmatism particle tracking velocimetry (APTV) technique is introduced. Average particle z position determination errors of the technique are as low as 0.33%, with a measurement depth of 40 mm. These accuracies show APTV’s ability of measuring volumetric velocity fields in macroscopic domains with limited optical access.

© 2014 Optical Society of America

OCIS Codes
(100.2960) Image processing : Image analysis
(100.6890) Image processing : Three-dimensional image processing
(110.2990) Imaging systems : Image formation theory
(260.1960) Physical optics : Diffraction theory

ToC Category:
Imaging Systems

Original Manuscript: October 24, 2013
Manuscript Accepted: January 4, 2014
Published: February 26, 2014

Thomas Fuchs, Rainer Hain, and Christian J. Kähler, "Three-dimensional location of micrometer-sized particles in macroscopic domains using astigmatic aberrations," Opt. Lett. 39, 1298-1301 (2014)

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