Optimization of diffraction efficiency of transmission hologram in cubic photorefractive piezocrystal of (110)-cut in dc electric field

S. F. Nichiporko; A. E. Zagorskiy; Vasiliy V. Shepelevich; N. N. Egorov; Klaus H. Ringhofer; Yi Hu; Ekaterina F. Shamonina

doi:10.1117/12.418842

15 March 2001 Optimization of diffraction efficiency of transmission hologram in cubic photorefractive piezocrystal of (110)-cut in dc electric field

S. F. Nichiporko, A. E. Zagorskiy, Vasiliy V. Shepelevich, N. N. Egorov, Klaus H. Ringhofer, Yi Hu, Ekaterina F. Shamonina

Author Affiliations +

Proceedings Volume 4358, Optics of Crystals; (2001) https://doi.org/10.1117/12.418842
Event: Optics of Crystals, 2000, Mozyr, Belarus

Abstract

On the base of the analytical solution of the couple differential equations system in the photorefractive piezocrystal with transmission holographic grating the optimization of the diffraction efficiency is conducted by choice of the crystal orientation and linear polarization of the reading light. It has been theoretically established, that for bi₁₂SiO₂₀ piezocrystal with thickness 10 mm at different values of external electric field E₀ the maximum diffraction efficiency (eta) ^M is reached for the following magnitudes of the (theta) and (Psi) respectively: without electric field (theta) =42 degree(s), (Psi) =35 degree(s), with electric field 5 kV/cm (theta) =51 degree(s), (Psi) =19 degree(s). Without taking into account the piezoelectric effect these orientation and polarization angles have the following values: without electric field (theta) =0 degree(s), (Psi) =107 degree(s), with electric field 5 kVcm (theta) =43 degree(s), (Psi) =31 degree(s). It is shown, that taking into account the piezoelectric effect increases the maximum diffraction efficiency (eta) ^M in 2.13 times at E₀; in 2.47 times at E₀=5 kV/cm; in 1.75 times at E₀=1- kV/cm; in 1.43 times at E₀=15 kV/cm.

Citation Download Citation

S. F. Nichiporko, A. E. Zagorskiy, Vasiliy V. Shepelevich, N. N. Egorov, Klaus H. Ringhofer, Yi Hu, and Ekaterina F. Shamonina "Optimization of diffraction efficiency of transmission hologram in cubic photorefractive piezocrystal of (110)-cut in dc electric field", Proc. SPIE 4358, Optics of Crystals, (15 March 2001); https://doi.org/10.1117/12.418842

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