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Proceedings Paper

Edge-enhanced phase conjugation based on a quadric hologram
Author(s): Galina V. Bogatiryova
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Paper Abstract

Two versions of a quadric hologram-based edge-enhancing phase conjugation are introduced. Self-conjugation of an edge diffraction wave from a profiled knife-edge is implemented using a quadric hologram recorded with a standing reference wave. Double phase conjugation among two mutually incoherent (noninterfering) input signals recorded with counterpropagating reference beam is also grounded and demonstrated. Both versions are explained as the result of spatial-frequency heterodyning (nonlinear mixing) of partial cross-gratings provided by the holographic recording nonlinearity. Edge enhancement of the conjugated responses of a quadric hologram is shown to be the consequence of the Young-Rubinowicz's model of diffraction phenomena.

Paper Details

Date Published: 19 August 1998
PDF: 4 pages
Proc. SPIE 3573, OPTIKA '98: 5th Congress on Modern Optics, (19 August 1998); doi: 10.1117/12.321003
Show Author Affiliations
Galina V. Bogatiryova, Chernivtsy Univ. (Ukraine)

Published in SPIE Proceedings Vol. 3573:
OPTIKA '98: 5th Congress on Modern Optics
Gyorgy Akos; Gabor Lupkovics; Andras Podmaniczky, Editor(s)

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