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Electron- and photon-stimulated desorption in ultraviolet optical materials

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Abstract

Damage to UV optical materials is a major concern in design and operation of high-power lasers. However, little fundamental understanding exists of the atomic-level mechanisms which operate to produce this damage. Recent experiments have shown that irradiation of optical materials by electrons and photons at energies characteristic of high-power and high-energy laser systems is an efficient cause of surface erosion and other defect-induced changes. Hence desorption induced by electronic transitions (DIET) may be a plausible microscopic physical mechanism underlying macroscopic damage phenomena.

© 1985 Optical Society of America

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