Ablation deposition using phase-shifted ultra-short laser pulse

被引：0
|
作者：
Miyazawa, M [1 ]
Masagaki, A [1 ]
Hanada, Y [1 ]
Toyoda, K [1 ]
机构：
[1] Sci Univ Tokyo, Fac Ind Sci & Technol, Dept Appl Elect, Noda, Chiba 2788510, Japan
来源：
SECOND INTERNATIONAL SYMPOSIUM ON LASER PRECISION MICROFABRICATION | 2002年 / 4426卷
关键词：
phase-shift; Ti : Sapphire laser; atomically nonuniform deposition;
D O I：
10.1117/12.456890
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
The specific deposition and atomic redistribution with use of the phase-shifted laser were examined. Phase-shifting is a unique technique to realize the abrupt intensity change in a very narrow region of focused laser beam. This technique is applied to an ultra-short laser pulse to study the interaction between particles removed from very closely separated ablation spots in focal area. Using the phase-shifted focused laser beam, atomically nonuniform deposition was observed in a femtosecond laser ablation of Cu:Zn alloy target. Atomic concentration ratio of Cu and Zn was obtained by the measurement of energy dispersive X-ray analyzer.
引用
收藏
页码：97 / 99
页数：3
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