Calorimetric measurement of two-photon absorption and color-center formation in ultraviolet-window materials

被引:3
作者
Eva, E
Mann, K
机构
来源
APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING | 1996年 / 62卷 / 02期
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中图分类号
T [工业技术];
学科分类号
08 ;
摘要
Intensity-dependent absorption of 25 ns excimer laser pulses in common UV-window materials was investigated. By employing a calorimetric technique which provides greatly enhanced sensitivity compared to transmissive measurements, two-photon absorption coefficients were determined at intensities of 2-80 MW/cm(2) and found to be in good agreement with previous measurements at 10-100 GW/cm(2). Also, color-center formation in fused silica was observed. It was possible to quantify transient and cumulative effects as a function of intensity.
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页码:143 / 149
页数:7
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