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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 38, Iss. 34 — Dec. 1, 1999
  • pp: 6994–7001

Simultaneous amplitude-contrast and quantitative phase-contrast microscopy by numerical reconstruction of Fresnel off-axis holograms

Etienne Cuche, Pierre Marquet, and Christian Depeursinge  »View Author Affiliations


Applied Optics, Vol. 38, Issue 34, pp. 6994-7001 (1999)
http://dx.doi.org/10.1364/AO.38.006994


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Abstract

We present a digital method for holographic microscopy involving a CCD camera as a recording device. Off-axis holograms recorded with a magnified image of microscopic objects are numerically reconstructed in amplitude and phase by calculation of scalar diffraction in the Fresnel approximation. For phase-contrast imaging the reconstruction method involves the computation of a digital replica of the reference wave. A digital method for the correction of the phase aberrations is presented. We present a detailed description of the reconstruction procedure and show that the transverse resolution is equal to the diffraction limit of the imaging system.

© 1999 Optical Society of America

OCIS Codes
(040.1520) Detectors : CCD, charge-coupled device
(090.0090) Holography : Holography
(090.1000) Holography : Aberration compensation
(110.0180) Imaging systems : Microscopy
(350.5030) Other areas of optics : Phase

History
Original Manuscript: April 14, 1999
Revised Manuscript: August 3, 1999
Published: December 1, 1999

Citation
Etienne Cuche, Pierre Marquet, and Christian Depeursinge, "Simultaneous amplitude-contrast and quantitative phase-contrast microscopy by numerical reconstruction of Fresnel off-axis holograms," Appl. Opt. 38, 6994-7001 (1999)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-38-34-6994

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