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Special features of optical strength change in melt‐grown NaCl crystals
Author(s) -
Erofeev V. N.,
Gorbunov A. V.,
Val'Kovskii S. N.
Publication year - 1983
Publication title -
crystal research and technology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.377
H-Index - 64
eISSN - 1521-4079
pISSN - 0232-1300
DOI - 10.1002/crat.2170180214
Subject(s) - impurity , materials science , crystal (programming language) , sodium , laser , analytical chemistry (journal) , chemistry , optics , metallurgy , physics , organic chemistry , chromatography , computer science , programming language
The variation of the CO 2 ‐laser pulse induced breakdown threshold has been studied experimentally in melt‐grown NaCl crystals. An increase of the optical strength (up to two order of magnitude) is observed from the „top” towards „bottom” of the large diameter crystal boules, i.e. in the direction in which the impurities are driven away. The dependence of the threshold with the Ca 2+ concentration demonstrates a complicated character of the effect of the impurity content on the optical strength of sodium chloride.