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Journal of the Optical Society of America A

Journal of the Optical Society of America A

| OPTICS, IMAGE SCIENCE, AND VISION

  • Vol. 21, Iss. 5 — May. 1, 2004
  • pp: 828–831

Defocused transfer function for a partially coherent microscope and application to phase retrieval

Colin J. R. Sheppard  »View Author Affiliations


JOSA A, Vol. 21, Issue 5, pp. 828-831 (2004)
http://dx.doi.org/10.1364/JOSAA.21.000828


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Abstract

The defocused weak-object transfer function of a partially coherent bright-field microscope is calculated. For weak defocus, this can be expressed analytically. Use of this transfer function for phase restoration (quantitative phase retrieval) from images of weak mixed phase-amplitude objects is discussed.

© 2004 Optical Society of America

OCIS Codes
(070.2580) Fourier optics and signal processing : Paraxial wave optics
(100.5070) Image processing : Phase retrieval
(110.2990) Imaging systems : Image formation theory
(110.4850) Imaging systems : Optical transfer functions
(110.4980) Imaging systems : Partial coherence in imaging
(180.0180) Microscopy : Microscopy
(350.5030) Other areas of optics : Phase

Citation
Colin J. R. Sheppard, "Defocused transfer function for a partially coherent microscope and application to phase retrieval," J. Opt. Soc. Am. A 21, 828-831 (2004)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-21-5-828

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