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Proceedings Paper

Fidelity evaluation of the conjugated wavefront in photorefractive crystals using direct spatial phase demodulation of optical interferograms
Author(s): Valentin I. Vlad; Adrian Petris; Angela Jianu
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Paper Abstract

Conjugated wavefront fidelity has been evaluated using an interferometer with a phase conjugate mirror and fringe pattern computer processing. The quantitative interpretation of the fringe patterns is performed using direct spatial phase reconstruction methods (in the space and Fourier domain). A set of algorithms for fast and accurate phase evaluation, by fringe pattern processing, were derived. The result of optical interferograms evaluation appears in terms of different phase representations. These methods have been verified by studies of the optical phase conjugation fidelity in photorefractive crystals.

Paper Details

Date Published: 2 July 1998
PDF: 6 pages
Proc. SPIE 3405, ROMOPTO '97: Fifth Conference on Optics, (2 July 1998); doi: 10.1117/12.312801
Show Author Affiliations
Valentin I. Vlad, National Institute for Laser, Plasma, and Radiation Physics (Romania)
Adrian Petris, National Institute for Laser, Plasma, and Radiation Physics (Romania)
Angela Jianu, National Institute for Laser, Plasma, and Radiation Physics (Romania)


Published in SPIE Proceedings Vol. 3405:
ROMOPTO '97: Fifth Conference on Optics
Valentin I. Vlad; Dan C. Dumitras, Editor(s)

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