Effect of a DC external field on the photorefractive-response dynamics in crystals with double-donor centers and shallow traps |
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Authors: | A M Plesovskikh S M Shandarov |
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Institution: | (1) Tomsk State University of Control Systems and Radio Engineering, Tomsk, 634050, Russia |
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Abstract: | This paper presents a theoretical analysis of the dynamics of space-charge field formation in a photorefractive crystal with double-donor centers and shallow traps. The evolution of the photorefractive-grating recording processes in the absence of an external electric field, the relaxation of the grating in the presence of a reference beam, and its subsequent development under application of an external field are considered. |
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