High intensity laser absorption by gases of atomic clusters

被引：313
|
作者：
Ditmire, T
Smith, RA
Tisch, JWG
Hutchinson, MHR
机构：
[1] Imperial College of Science, Technology, and Medicine, Blackett Laboratory, London, SW7 2BZ, Prince Consort Rd.
来源：
PHYSICAL REVIEW LETTERS | 1997年 / 78卷 / 16期
关键词：
D O I：
10.1103/PhysRevLett.78.3121
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We have measured the energy absorption efficiency of high intensity, picosecond laser pulses in low density gases composed of large atomic clusters. We find that, though the average density of the resulting plasmas is low, the energy absorption can be very high (>95%), indicating that substantial laser energy is deposited per particle in the plasma. Ion energy measurements confirm that this efficient energy deposition results in plasmas with very high (multi-keV) ion temperatures.
引用
收藏
页码：3121 / 3124
页数：4
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