Time of flight of dual-laser ablation carbon plasmas by optical emission spectroscopy

被引:15
作者
Aké, CS [1 ]
Sobral, H [1 ]
Sterling, E [1 ]
Villagrán-Muniz, M [1 ]
机构
[1] Univ Nacl Autonoma Mexico, Ctr Ciencias Aplicadas & Desarrollo Tecnol, Lab Fotofis, Mexico City 04510, DF, Mexico
来源
APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING | 2004年 / 79卷 / 4-6期
关键词
D O I
10.1007/s00339-004-2775-y
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
Plasma emission induced by dual pulse laser ablation on graphite target was analyzed by time resolved optical spectroscopy. Experiments were carried out at a pressure of 10(-5) Torr using two Nd : YAG lasers emitting at 1064 and 532 nm synchronized at up to 100 mus delay. Up to fivefold intensification of the C II emission lines was observed, when the delay between lasers was set in the 500-1000 ns range. From the time of flight measurements, the ion energy distribution could be controlled by changing the pulse delay between lasers.
引用
收藏
页码:1345 / 1347
页数:3
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