Increase of the laser damage threshold of KDP single crystals by their heat treatment

Marina I. Kolybayeva; Igor M. Pritula; Viacheslav M. Puzikov; Vitaly I. Salo; Serge V. Garnov; Sergei M. Klimentov

doi:10.1117/12.213737

14 July 1995 Increase of the laser damage threshold of KDP single crystals by their heat treatment

Marina I. Kolybayeva, Igor M. Pritula, Viacheslav M. Puzikov, Vitaly I. Salo, Serge V. Garnov, Sergei M. Klimentov

Proceedings Volume 2428, Laser-Induced Damage in Optical Materials: 1994; (1995) https://doi.org/10.1117/12.213737
Event: Laser-Induced Damage in Optical Materials: 1994, 1994, Boulder, CO, United States

Abstract

Investigated is the influence of isothermal annealing on the real structure and laser damage threshold of KDP single crystals. It is shown that the annealing of the samples at temperatures close to that of phase transition results in a pronounced decrease of the number of defects in the crystals, their optical homogeneity being improved. The chosen optical annealing conditions allow to raise the values of mechanical strength and laser damage threshold by 2 or 3 times and thereby to reduce the spread of these characteristics over the bulk of the crystals.

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Marina I. Kolybayeva, Igor M. Pritula, Viacheslav M. Puzikov, Vitaly I. Salo, Serge V. Garnov, and Sergei M. Klimentov "Increase of the laser damage threshold of KDP single crystals by their heat treatment", Proc. SPIE 2428, Laser-Induced Damage in Optical Materials: 1994, (14 July 1995); https://doi.org/10.1117/12.213737

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