LASING PROPERTIES OF THE J = 0-1 AND THE J = 2-1 LINES OF A NEON-LIKE GERMANIUM SOFT-X-RAY LASER

被引:26
作者
MURAI, K
SHIRAGA, H
YUAN, G
DAIDO, H
AZUMA, H
MIURA, E
KODAMA, R
TAKAGI, M
KANABE, T
TAKABE, H
KATO, Y
NEELY, D
ONEILL, DM
LEWIS, CLS
DJAOUI, A
机构
[1] QUEENS UNIV BELFAST,DEPT PURE & APPL PHYS,BELFAST BT7 1NN,ANTRIM,NORTH IRELAND
[2] RUTHERFORD APPLETON LAB,DIDCOT OX11 0QX,OXON,ENGLAND
关键词
D O I
10.1364/JOSAB.11.002287
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
Lasing properties of a collisional-excitation Ne-like Ge soft-x-ray laser have been studied with exploding-foil, single-slab, and double-slab targets under identical pumping conditions. Experimental results for the angular intensity distributions and the temporal variations of the lasing intensities are examined with a hydrodynamic code and ray-trace calculations. The observed angular distribution are well reproduced by these analyses, and it is found that the effective gain regions are located on the high-density side of the expected gain regions. It is shown that the observed lasing intensity of the J = 0 to J = 1 line is strongly correlated with the temporal change of the calculated electron temperature for both the slab and the exploding-foil targets.
引用
收藏
页码:2287 / 2297
页数:11
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