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Proceedings Paper

Radiation-stimulated changes of structure and mechanical strength of KDP and DKDP crystals
Author(s): Vitaly I. Salo; L. V. Atroschenko; Marina I. Kolybayeva; E. V. Scherbina
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Paper Abstract

Under the effect of ionizing radiation on KDP and DKDP crystals radiation-stimulated defects are formed in them. It was found that crystals with a higher content of cationic impurities are noticeably strengthened under the effect of electron radiation, while in purer, free of dislocations crystal microhardness does not increase. The rise of the microhardness value was found to begin at the same dose as the yellow coloration appears, with this, the input to the radiation surface is colored more intensively than the output one. The radiation strengthening of crystals is supposed to be connected with the formation of aggregations of crystal lattice defects arising under the effect of ionizing radiation. The depth of electrons' penetration calculated theoretically is commensurable with that of radiation-stimulated changes in structure and mechanical strength of crystals. It was shown that in the process of action of electrons and protons there takes place a decoration of microstructure defects that were present in crystals before irradiation.

Paper Details

Date Published: 7 April 1999
PDF: 4 pages
Proc. SPIE 3578, Laser-Induced Damage in Optical Materials: 1998, (7 April 1999); doi: 10.1117/12.344377
Show Author Affiliations
Vitaly I. Salo, Institute for Single Crystals (Ukraine)
L. V. Atroschenko, Institute for Single Crystals (Ukraine)
Marina I. Kolybayeva, Institute for Single Crystals (Ukraine)
E. V. Scherbina, Institute for Single Crystals (Ukraine)


Published in SPIE Proceedings Vol. 3578:
Laser-Induced Damage in Optical Materials: 1998
Gregory J. Exarhos; Arthur H. Guenther; Mark R. Kozlowski; Keith L. Lewis; M. J. Soileau, Editor(s)

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