Open AccessDIFFRACTION PROPERTIES OF PHOTORE-FRACTIVE GRATINGS
Author(s) -
Ru Guo,
LING ZHEN-FANG
Publication year - 1994
Publication title -
acta physica sinica
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.199
H-Index - 47
ISSN - 1000-3290
DOI - 10.7498/aps.43.889
Subject(s) - photorefractive effect , diffraction , optics , diffraction efficiency , beam (structure) , mixing (physics) , intensity (physics) , diffraction grating , physics , quantum mechanics
Based on the forward four-wave mixing model, we abtain analytic expressions for the diffraction efficiency of the photorefractive gratings with weak reading beam and strong reading beam intensity respectively for various values of the spatial phase shift between index change and fringe pattern.
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