gan rong-bing, lin li-bin, lu yong, et al. Laser-induced bulk damage of UBK7 glass owing to its rear-surface defects[J]. High Power Laser and Particle Beams, 2001, 13.
Citation:
gan rong-bing, lin li-bin, lu yong, et al. Laser-induced bulk damage of UBK7 glass owing to its rear-surface defects[J]. High Power Laser and Particle Beams, 2001, 13.
gan rong-bing, lin li-bin, lu yong, et al. Laser-induced bulk damage of UBK7 glass owing to its rear-surface defects[J]. High Power Laser and Particle Beams, 2001, 13.
Citation:
gan rong-bing, lin li-bin, lu yong, et al. Laser-induced bulk damage of UBK7 glass owing to its rear-surface defects[J]. High Power Laser and Particle Beams, 2001, 13.
Pulsed laser-induced bulk damage of UBK7 glass at 1064nm was studied. Damage morphologies of UBK7 were observed with a microscope. Laser-induced damage thresholds (LIDT) of the glass's surface and bulk were tested using automated damage test facility. Thread damage between rear-surface and bulk burst was detected from the damage morphologies. The conclusion that defects and impurities on the rear-surface caused bulk damage was drawn. When the defects on rear-surface absorb incident light, plasma was produced and it spread to the front rapidly. Then the high temperature and high pressure of the plasma caused surface and bulk damage of the material. The details o f surface and bulk damage mechanism were also analyzed. The LIDT of rear-surface is lower than that of front-surface because of th
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