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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. 5, Iss. 3 — Feb. 10, 2010

Automatic spatial filtering to obtain the virtual image term in digital holographic microscopy

Jiawen Weng, Jingang Zhong, and Cuiying Hu  »View Author Affiliations


Applied Optics, Vol. 49, Issue 2, pp. 189-195 (2010)
http://dx.doi.org/10.1364/AO.49.000189


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Abstract

The main factor that limits the quality of an image reconstructed by the process of spatial filtering in digital holographic microscopy is discussed. A spatial filter determined by the distribution of the spectrum of the virtual image is designed automatically for real time dynamic analysis of a micro-object, and an optimal reconstructed phase image can be obtained. An experiment of a holographic image with an onion specimen is presented to prove the validity of this approach. Comparing the numerical reconstruction of the hologram by employing different spatial filters with the automatic spatial filtering shows the superiority of the automatic spatial filtering method, and it is suitable for dynamic and automatic analysis.

© 2010 Optical Society of America

OCIS Codes
(070.6110) Fourier optics and signal processing : Spatial filtering
(120.5050) Instrumentation, measurement, and metrology : Phase measurement
(090.1995) Holography : Digital holography

ToC Category:
Holography

History
Original Manuscript: September 23, 2009
Revised Manuscript: November 8, 2009
Manuscript Accepted: November 30, 2009
Published: January 7, 2010

Virtual Issues
Vol. 5, Iss. 3 Virtual Journal for Biomedical Optics

Citation
Jiawen Weng, Jingang Zhong, and Cuiying Hu, "Automatic spatial filtering to obtain the virtual image term in digital holographic microscopy," Appl. Opt. 49, 189-195 (2010)
http://www.opticsinfobase.org/vjbo/abstract.cfm?URI=ao-49-2-189

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Supplementary Material


» Media 1: AVI (804 KB)     

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