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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. 3, Iss. 12 — Dec. 1, 2008

High resolution digital holographic microscopy with a wide field of view based on a synthetic aperture technique and use of linear CCD scanning

Jianglei Di, Jianlin Zhao, Hongzhen Jiang, Peng Zhang, Qi Fan, and Weiwei Sun  »View Author Affiliations


Applied Optics, Vol. 47, Issue 30, pp. 5654-5659 (2008)
http://dx.doi.org/10.1364/AO.47.005654


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Abstract

Theoretical analysis shows that, to improve the resolution and the range of the field of view of the reconstructed image in digital lensless Fourier transform holography, an effective solution is to increase the area and the pixel number of the recorded digital hologram. A new approach based on the synthetic aperture technique and use of linear CCD scanning is presented to obtain digital holographic images with high resolution and a wide field of view. By using a synthetic aperture technique and linear CCD scanning, we obtained digital lensless Fourier transform holograms with a large area of 3.5 cm × 3.5 cm ( 5000 × 5000 pixels). The numerical reconstruction of a 4 mm object at a distance of 14 cm by use of a Rayleigh–Sommerfeld integral shows that a theoretically minimum resolvable distance of 2.57 μm can be achieved at a wavelength of 632.8 nm . The experimental results are consistent with the theoretical analysis.

© 2008 Optical Society of America

OCIS Codes
(070.0070) Fourier optics and signal processing : Fourier optics and signal processing
(100.2000) Image processing : Digital image processing
(100.3010) Image processing : Image reconstruction techniques
(120.2880) Instrumentation, measurement, and metrology : Holographic interferometry
(090.1995) Holography : Digital holography

ToC Category:
Holography

History
Original Manuscript: April 3, 2008
Revised Manuscript: July 30, 2008
Manuscript Accepted: September 1, 2008
Published: October 16, 2008

Virtual Issues
Vol. 3, Iss. 12 Virtual Journal for Biomedical Optics

Citation
Jianglei Di, Jianlin Zhao, Hongzhen Jiang, Peng Zhang, Qi Fan, and Weiwei Sun, "High resolution digital holographic microscopy with a wide field of view based on a synthetic aperture technique and use of linear CCD scanning," Appl. Opt. 47, 5654-5659 (2008)
http://www.opticsinfobase.org/vjbo/abstract.cfm?URI=ao-47-30-5654

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