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- W3149787466 abstract "Abstract The electric field and fringe spacing dependence of the stationary energy transfer between two writing beams in volume phase-hologram formation with photoconductive electro-optic materials (KNbO3:Fe2+, Bi12(Si,Ge)O20,…) has been studied. Experimental results are compared with the theoretical expressions describing the influence of the different photoinduced space-charge fields in photorefractive media. A peak exponential gain of Γ = 15 cm−1 has been reached in KNbO3:Fe2+ for the proper choice of experimental parameters such as recording wavelength, fringe spacing, applied electric field etc.). Results of the electric field dependence of the wavefront reflectivity p in degenerate four-wave mixing experiments are reported and discussed in terms of a similar theoretical treatment as the two-wave mixing experiements. It is shown, that peak reflectivities of p = 10 percent have been reached for KNbO3:Fe2+, that conjugate complex wavefronts can be generated and that distorted optical wave fronts can be..." @default.
- W3149787466 created "2021-04-13" @default.
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- W3149787466 date "1981-10-01" @default.
- W3149787466 modified "2023-09-25" @default.
- W3149787466 title "Coherent light amplification and optical phase conjugation in photoconductive electro-optic materials" @default.
- W3149787466 doi "https://doi.org/10.1080/00150198108209597" @default.
- W3149787466 hasPublicationYear "1981" @default.
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