We report the results of an analysis of the functional capabilities of the KTP crystal and its isomorphs for nonlinear-optical frequency conversion of all types of interactions in the transparency range of the crystal. The possibility of implementing angle, wavelength (frequency), and temperature-noncritical phase matching is shown.

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An end-pumped Nd:YAG 946 nm laser with pulse duration of 1.6 ns, output energy of 2.5 mJ, and pulse repetition rate of 50 Hz is described. Such a combination of the parameters achieved has become possible due to the implementation of the cavity-dumping mode.

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