SENSITIVITY OF LASING IN NEON-LIKE ZINC AT 21.2 NM TO THE USE OF THE PREPULSE TECHNIQUE

被引:49
作者
FILL, EE [1 ]
LI, YL [1 ]
SCHLOGL, D [1 ]
STEINGRUBER, J [1 ]
NILSEN, J [1 ]
机构
[1] LAWRENCE LIVERMORE NATL LAB,LIVERMORE,CA 94550
关键词
D O I
10.1364/OL.20.000374
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
We report strong lasing in zinc on the neonlike 3p --> 3s, J = 0 --> 1 transition at 21.2 nm when the prepulse technique of using a low-intensity prepulse before the main optical drive pulse is used with the 1,315-mu m Asterix laser to illuminate the zinc target. Without the use of the prepulse, this line is not visible. The usual J = 2 --> 1 lines at 26.2 and 26.7 nm are observed weakly both with and without the use of the prepulse. By variation of the prepulse energy, we demonstrate that even a very weak prepulse with less than 0.1% of the main pulse energy can enable the zinc to lase at 21.2 nm.
引用
收藏
页码:374 / 376
页数:3
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