Femtosecond laser irradiation stress induced in pure silica
作者： B. Poumellec , L. Sudrie , M. Franco , B. Prade , A. Mysyrowicz
DOI: 10.1364/OE.11.001070
关键词:
摘要: We reveal stress fields induced by femtosecond laser irradiation investigating the topography of surface relaxation a cleavage silica plates in which was performed, varying intensity, polarization and displacement writing beam. The field appears to depend on parameters differently according intensity. For pulse intensity larger than 0.1 µJ, first shear developed. Above 0.25 another that is dependent direction coupling with phase matching condition between pump wave third harmonic.
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