COHERENT AND INCOHERENT XUV EMISSION IN HELIUM AND NEON, LASER-DRIVEN PLASMAS

被引:8
作者
CRANE, JK [1 ]
PERRY, MD [1 ]
STRICKLAND, D [1 ]
HERMAN, S [1 ]
FALCONE, RW [1 ]
机构
[1] UNIV CALIF BERKELEY,DEPT PHYS,BERKELEY,CA 94720
关键词
D O I
10.1109/27.221105
中图分类号
O35 [流体力学]; O53 [等离子体物理学];
学科分类号
070204 ; 080103 ; 080704 ;
摘要
We present results of measurements of high-order harmonic generation and XUV spontaneous emission in helium and neon plasmas excited by a short pulse laser at intensities between 10(14) and 5 x 10(17)W/cm2. We compare the observed behavior of the harmonics with recent single atom calculations in helium. We observe a wavelength dependence to the efficiency of harmonic generation that has not been previously reported. We observe line emission from excited state transitions in Ne7+ for the first time in a short pulse laser-driven plasma. In particular, we see strong emission and a rapid recombination rate for the 9.8 nm (3d-2p) transition that is a possible candidate for a recombination-pumped X-ray laser.
引用
收藏
页码:82 / 89
页数:8
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