Abstract
It is known that laser excitation of many materials causes the emission of charged and neutral surface constituents and impurities.1 The characteristics of the emitted products provide useful information regarding laser-surface interaction. In previous work in ZnS with nanosecond lasers at wavelengths above and below the interband absorption threshold, it was found that Zn and S were emitted at laser fluences below threshold for observable optical damage.1,2
© 1989 Optical Society of America
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