Development of high intensity X-ray sources at the National Ignition Facility

被引：17
作者：
May, M. J. [1 ]
Colvin, J. D. [1 ]
Kemp, G. E. [1 ]
Barrios, M. A. [1 ]
Widmann, K. [1 ]
Benjamin, R. [1 ]
Thorn, D. [1 ]
Poole, P. [1 ]
Blue, B. [1 ]
机构：
[1] Lawrence Livermore Natl Lab, POB 808 L170, Livermore, CA 94551 USA
来源：
PHYSICS OF PLASMAS | 2018年 / 25卷 / 05期
关键词：
TARGETS; OMEGA;
D O I：
10.1063/1.5015927
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：
Laser heated plasmas have provided recently some of the most powerful and energetic nanosecond length laboratory sources of x-ray photons (E-photon = 1-30 keV). The highest x-ray to laser conversion is currently accessible by using underdense (n(e) similar to 0.25 n(c)) plasmas since optimal laser coupling is obtained in millimeter scale targets. The targets can have conversion efficiencies of up to 10%. Several types of targets can be used to produce underdense plasmas: metal lined cylindrical cavities, gas pipes, and most recently nano-wire foams. Both the experimental and simulation details of these high intensity x-ray sources are discussed. Published by AIP Publishing.
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页数：7
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