Determination of Material Parameters of Photorefractive Crystals Using Adaptive Holographic Interferometry

Holographic interferometry methods, based on mixing of a stationary reference light beam and a phase-modulated signal beam at the related perturbations of the dielectric tensor in photosensitive crystals, have been applied to measure material parameters determining the value of these perturbations....

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Bibliographic Details
Published in:Optics and spectroscopy 2021-05, Vol.129 (5), p.576-580
Main Authors: Shandarov, S. M., Zlobin, A. O., Shmidt, A. A., Burimov, N. I., Mel’nik, K. P., Shmakov, S. S., Makarevich, A. V., Navnyko, V. N., Bryushinin, M. A., Sokolov, I. A.
Format: Article
Language:English
Subjects:
Crystals
Holographic interferometry
Interferometry
Lasers
Light beams
Optical Devices
Optics
Parameters
Perturbation
Photonics
Photorefractivity
Photosensitivity
Physics
Physics and Astronomy
Tensors
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Summary:Holographic interferometry methods, based on mixing of a stationary reference light beam and a phase-modulated signal beam at the related perturbations of the dielectric tensor in photosensitive crystals, have been applied to measure material parameters determining the value of these perturbations. Experimental conditions, under which one can distinguish contributions to the mixing from the flexoelectric and electrogyration effects in cubic photorefractive sillenite crystals, are determined, and the necessity of taking into account the contribution from the flexogyration effect is demonstrated.
ISSN:0030-400X
1562-6911
DOI:10.1134/S0030400X2104024X