Laser induced nanogratings beyond fused silica - periodic nanostructures in borosilicate glasses and ULE™
作者： Sören Richter , Christopher Miese , Sven Döring , Felix Zimmermann , Michael J. Withford
DOI: 10.1364/OME.3.001161
关键词:
摘要: We report on the ultrashort pulse laser induced formation of birefringent structures in volume different glasses: Borofloat 33, BK7 and ULE™. Using polarization contrast scanning electron microscopy we could prove that this birefringence is by nanogratings. were able to identify duration as a crucial process parameter for generation nanogratings these glasses. The achieved ULE comparable fused silica, while borosilicate glasses show much less (only about 12%). Remarkably, period also dependent type glass, being 250 nm only 60 case 33.
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