Femtosecond laser ablation from dielectric materials: Comparison to arc discharge erosion

被引：51
作者：
Henyk, M
Vogel, N
Wolfframm, D
Tempel, A
Reif, J
机构：
[1] Brandenburg Tech Univ Cottbus, LS Expt Phys 2, D-03044 Cottbus, Germany
[2] Tech Univ Chemnitz, Inst Phys, LS Opt Spektroskopie & Mol Phys, D-09107 Chemnitz, Germany
[3] Fachhsch Lausitz, Fachbereich Elektrotech, D-01968 Senftenberg, Germany
来源：
APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING | 1999年 / 69卷 / Suppl 1期
关键词：
D O I：
10.1007/s003390051416
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
After explosive ablation from sapphire crystals by linearly polarised laser pulses, regular structures are observed on the bottom of the ablation pit. These structures do not comply with conventional ripple patterns. Instead, they more nearly resemble wickerwork, aligned perpendicular to the laser beam polarisation. A similar morphology is obtained by are discharge erosion at AgCdO electrodes, suggesting that an explosive laser ablation may be characterised by high electric field effects and self organisation in the ablation craters.
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页码：S355 / S358
页数：4
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