Backscattered Light from Interaction of 527 nm Laser with Au and Al Disk Targets
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Graphical Abstract
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Abstract
Au and Al disk target were irradiated with -1 ns, 40-110 J, 527 nm laser at Xingguang-Ⅱ facility. The backscattered lights by laser-produced plasma were studied experimentally. The results are in troduced in this paper. Backscattered light energy is 7.8% of laser energy when laser is focused on Au disk target; when laser beam is smoothed, it is 6.2%. The comparison shows that laser smoothing can restrain backscattered light efficiency. The experimental results ：also show that there is a linear relation between backscattered light energy and the laser energy.
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