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Virtual Journal for Biomedical Optics

Virtual Journal for Biomedical Optics

| EXPLORING THE INTERFACE OF LIGHT AND BIOMEDICINE

  • Editor: Gregory W. Faris
  • Vol. 4, Iss. 8 — Jul. 30, 2009

Three-dimensional volumetric measurement of red blood cell motion using digital holographic microscopy

Yong-Seok Choi and Sang-Joon Lee  »View Author Affiliations


Applied Optics, Vol. 48, Issue 16, pp. 2983-2990 (2009)
http://dx.doi.org/10.1364/AO.48.002983


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Abstract

Measurement of blood flow with high spatial and temporal resolutions in a three-dimensional (3D) volume is a challenge in biomedical research fields. In this study, digital holographic microscopy is used to measure the 3D motion of human red blood cells (RBCs) in a microscale volume. The cinematographic holography technique, which uses a high-speed camera, enabled the continuous tracking of individual RBCs in a microtube flow. Several autofocus functions that quantify the sharpness of reconstructed RBC images are evaluated to locate the accurate depthwise position of RBCs. In this study, the squared Laplacian function yields the smallest depth of focus and locates the depthwise positions of RBCs with a root mean square error of 2.3 μm . By applying this method, we demonstrate the measurement of four-dimensional (space and time) trajectories as well as 3D velocity profiles of RBCs. The measurement uncertainties of the present method are also discussed.

© 2009 Optical Society of America

OCIS Codes
(170.3880) Medical optics and biotechnology : Medical and biological imaging
(180.6900) Microscopy : Three-dimensional microscopy
(090.1995) Holography : Digital holography

ToC Category:
Holography

History
Original Manuscript: March 4, 2009
Revised Manuscript: April 27, 2009
Manuscript Accepted: April 29, 2009
Published: May 20, 2009

Virtual Issues
Vol. 4, Iss. 8 Virtual Journal for Biomedical Optics

Citation
Yong-Seok Choi and Sang-Joon Lee, "Three-dimensional volumetric measurement of red blood cell motion using digital holographic microscopy," Appl. Opt. 48, 2983-2990 (2009)
http://www.opticsinfobase.org/vjbo/abstract.cfm?URI=ao-48-16-2983

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