Optical-vortex laser ablation

被引：199

作者：

Hamazaki, Junichi ^{[1
]}

Morita, Ryuji ^{[1
]}

Chujo, Keisuke ^{[2
]}

Kobayashi, Yusuke ^{[2
]}

Tanda, Satoshi ^{[1
]}

Omatsu, Takashige ^{[2
]}

机构：

[1] Hokkaido Univ, Dept Appl Phys, Sapporo, Hokkaido 0608628, Japan

[2] Chiba Univ, Grad Sch Adv Integrated Sci, Chiba 2635822, Japan

来源：

OPTICS EXPRESS | 2010年 / 18卷 / 03期

基金：

日本学术振兴会;

关键词：

ORBITAL ANGULAR-MOMENTUM; POLARIZATION; VAPORIZATION; FEMTOSECOND; BEAMS;

D O I：

10.1364/OE.18.002144

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Laser ablation of Ta plates using nanosecond optical vortex pulses was carried out, for the first time. It was suggested that owing to orbital angular momentum of optical vortex, clearer and smoother processed surfaces were obtained with less ablation threshold fluence, in comparison with the ablation by a nonvortex annular beam modified from a spatially Gaussian beam. (C) 2010 Optical Society of America

引用

页码：2144 / 2151

页数：8

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