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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 42, Iss. 11 — Apr. 10, 2003
  • pp: 1938–1946

Compensation of the Inherent Wave Front Curvature in Digital Holographic Coherent Microscopy for Quantitative Phase-Contrast Imaging

Pietro Ferraro, Sergio De Nicola, Andrea Finizio, Giuseppe Coppola, Simonetta Grilli, Carlo Magro, and Giovanni Pierattini  »View Author Affiliations


Applied Optics, Vol. 42, Issue 11, pp. 1938-1946 (2003)
http://dx.doi.org/10.1364/AO.42.001938


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Abstract

An approach is proposed for removing the wave front curvature introduced by the microscope imaging objective in digital holography, which otherwise hinders the phase contrast imaging at reconstruction planes. The unwanted curvature is compensated by evaluating a correcting wave front at the hologram plane with no need for knowledge of the optical parameters, focal length of the imaging lens, or distances in the setup. Most importantly it is shown that a correction effect can be obtained at all reconstruction planes. Three different methods have been applied to evaluate the correction wave front and the methods are discussed in detail. The proposed approach is demonstrated by applying digital holography as a method of coherent microscopy for imaging amplitude and phase contrast of microstructures.

© 2003 Optical Society of America

OCIS Codes
(090.1000) Holography : Aberration compensation
(090.1760) Holography : Computer holography
(100.2650) Image processing : Fringe analysis
(120.4630) Instrumentation, measurement, and metrology : Optical inspection
(180.3170) Microscopy : Interference microscopy

Citation
Pietro Ferraro, Sergio De Nicola, Andrea Finizio, Giuseppe Coppola, Simonetta Grilli, Carlo Magro, and Giovanni Pierattini, "Compensation of the Inherent Wave Front Curvature in Digital Holographic Coherent Microscopy for Quantitative Phase-Contrast Imaging," Appl. Opt. 42, 1938-1946 (2003)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-42-11-1938

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