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8 October 1998 Transient grating in KNbO3/KTaO3 superlattice
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Time-resolved degenerate-four-wave-mixing (DFWM) techniques have been used to characterize the nonlinear optical response of a KNbO3/KTaO3 superlattice grown by pulsed laser deposition on a 1 mm thick, (001)-oriented KTaO3 substrate. With a 30 psec pulsed laser, the difference in the nonlinear optical response between bulk KTaO3 and the superlattice was measured. Results indicate that a significant contribution to the response signal is due to the KNbO3 superlattice. The (chi) (3) value was estimated to have increased by 2 orders of magnitude compared to the bulk crystal.
© (1998) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Huimin Liu, Felix E. Fernandez, Weiyi Jia, and Lynn A. Boatner "Transient grating in KNbO3/KTaO3 superlattice", Proc. SPIE 3425, Optical Diagnostic Methods for Inorganic Transmissive Materials, (8 October 1998);

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