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In this contribution we analyze the configuration for anisotropic self-diffraction in KNbO3. First applications of this effect in spatial light modulators and incoherent- to-coherent converters are described.
Anisotropic Bragg diffraction can occur if off-diagonal elements of the electro optic tensor are involved in the grating formation. In KNbO3 this is the case for r42=380pm/V and r51 =105pm/V (for λ=633nm) [1,2].
© 1987 Optical Society of America
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