Hard X-ray production from femtosecond plasma induced in cluster-like solids

被引：3

作者：

Gavrilov, SA ^{[1
]}

Golishnikov, DM ^{[1
]}

Gordienko, VM ^{[1
]}

Mikheev, PM ^{[1
]}

Savel'ev, AB ^{[1
]}

Shashkov, AA ^{[1
]}

Volkov, RV ^{[1
]}

机构：

[1] Moscow Inst Elect Tech, Moscow, Russia

来源：

ALT'99 INTERNATIONAL CONFERENCE ON ADVANCED LASER TECHNOLOGIES | 2000年 / 4070卷

关键词：

femtosecond laser plasma; cluster like solids; hard X-rays; thermonuclear reaction;

D O I：

10.1117/12.378156

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Recent advances in hard X-ray production from porous silicon targets have been reported. Experimental data on efficient hot electron generation in plasma, created by 200 fs laser pulses at intensity in excess of 10(16) W/cm(2) are discussed. The assessment of the hot electron temperature in single laser shot was made using simple modification of the well known X-ray filter method. X-ray quanta with energy of similar to 80 keV were observed at the "moderate" intensity of 2.10(16) W/cm(2), revealing the existence of the second non-thermal electron component with the "temperature" of 30-50 keV. Finally, we discuss the feasibility to design 2.5 MeV neutron source with peak flux of more than 10(20) neutrons/(s.cm(2)) using deuterium enriched nanowire metallic arrays.

引用

页码：206 / 214

页数：9