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12 September 2003 Quasi-phase-matched self-frequency summing in a periodically poled Nd:Mg:LiNbO3
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We introduce the results of the study of intracavity quasi-phase-matched three-frequency wave interactions in active nonlinear periodically poled crystals. The process of self-frequency summing in periodically poled Nd:Mg:LiNbO3 has been studied. Quasi-phase-matched sum-frequency generation at 0.464 μm by self-frequency summing of fundamental radiation at 1.084 μm and unabsorbed part of pump radiation of diode laser at 0.810 μm in periodically poled Nd:Mg:LiNbO3 crystal has been realized experimentally.
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Georgy D. Laptev, Alexey A. Novikov, and Vladimir V. Firsov "Quasi-phase-matched self-frequency summing in a periodically poled Nd:Mg:LiNbO3", Proc. SPIE 4972, Nonlinear Frequency Generation and Conversion: Materials, Devices, and Applications II, (12 September 2003);

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