Edge-enhanced phase conjugation based on a quadric hologram

Galina V. Bogatiryova

doi:10.1117/12.321003

19 August 1998 Edge-enhanced phase conjugation based on a quadric hologram

Galina V. Bogatiryova

Proceedings Volume 3573, OPTIKA '98: 5th Congress on Modern Optics; (1998) https://doi.org/10.1117/12.321003
Event: OPTIKA '98: Fifth Congress on Modern Optics, 1998, Budapest, Hungary

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.

Citation Download Citation

Galina V. Bogatiryova "Edge-enhanced phase conjugation based on a quadric hologram", Proc. SPIE 3573, OPTIKA '98: 5th Congress on Modern Optics, (19 August 1998); https://doi.org/10.1117/12.321003

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