GENERATION OF SMALL-DIVERGENCE SOFT-X-RAY LASER BY PLASMA WAVE-GUIDING WITH A CURVED TARGET

被引:102
作者
KODAMA, R [1 ]
NEELY, D [1 ]
KATO, Y [1 ]
DAIDO, H [1 ]
MURAI, K [1 ]
YUAN, G [1 ]
MACPHEE, A [1 ]
LEWIS, CLS [1 ]
机构
[1] QUEENS UNIV BELFAST,DEPT PURE & APPL PHYS,BELFAST BT7 1NN,ANTRIM,NORTH IRELAND
关键词
D O I
10.1103/PhysRevLett.73.3215
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
We have studied plasma waveguiding in soft x-ray laser experiments. A curved-slab target was used in order to compensate for x-ray refraction in a gradient-density plasma. In addition to significant increase in the x-ray laser intensity in single-pass amplification, a small beam divergence of less than 1 mrad has been stably generated in double-pass amplification with the curved target. The angular intensity distribution of the double-passed beam indicates that the x-ray laser has been amplified in a plasma waveguide. © 1994 The American Physical Society.
引用
收藏
页码:3215 / 3218
页数:4
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