SEDL / STP / STP1015-EB / STP18792S

Transient Absorption of Light Induced by Radiation

Godwin, R
Los Alamos National Laboratory, Los Alamos, New Mexico

Harrison, FB
Los Alamos National Laboratory, Los Alamos, New Mexico

Larson, A
Los Alamos National Laboratory, Los Alamos, New Mexico

Pages: 6    Published: Jan 1988

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Abstract

We have measured two components in the radiation-induced absorption of 250-nm light in fused silica. For the first, the time constant is 48.3 ± 1.3 ns and the absorption coefficent is 6.68 ± 0.37 cm^-1 per Mrad. For the second, the time constant is long compared to 3 μs, and the absorption coefficient is 1.65 ± 0.36 cm^-1 per Mrad. The errors quoted are purely statistical.