Abstract
Silica samples with different level of oxygen deficit have been studied with the aim to investigate the properties related to the 7.6 eV absorption and excitation band. The high purity KS-4V silica was prepared by electrofusion of cristobalitised silicon dioxide. The deficit of oxygen at the level of 10-2 wt% was provided by reaction of cristobalite with silicon, [1].
© 1997 Optical Society of America
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