What is it about?
UV irradiation of fused silica leads to a loss in transmission. We present how this loss depends on energy density and number of laser pulses. A model description of this loss is given as well an explanation what may happen on a molecular level. Covered materials are a medium and a high OH synthetic fused silica.
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Why is it important?
To be reasonable sure about an optics lifetime in the UV its degradation must be taken into account.
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This page is a summary of: KrF laser-induced absorption in synthetic fused silica, May 1997, SPIE,
DOI: 10.1117/12.274273.
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