Development of a Time-of-Flight Measurement Technique in Plasma Induced by a CO2 Laser

被引：4

作者：

Satov, Yu. A. ^{[1
]}

Shumshurov, A. V. ^{[1
]}

Vasilyev, A. A. ^{[1
]}

Losev, A. A. ^{[1
,2
]}

Balabaev, A. N. ^{[1
]}

Khrisanov, I. A. ^{[1
]}

Makarov, K. N. ^{[3
]}

Rerikh, V. K. ^{[3
]}

机构：

[1] Natl Res Ctr Kurchatov Inst, Alikhanov Inst Theoret & Expt Phys, Moscow 117218, Russia

[2] MEPhI Natl Res Nucl Univ, Moscow 115409, Russia

[3] Troitsk Inst Innovat & Fus Res, State Res Ctr Russian Federat, Moscow 142190, Russia

来源：

INSTRUMENTS AND EXPERIMENTAL TECHNIQUES | 2017年 / 60卷 / 04期

关键词：

LASER; IONS; EMISSION;

D O I：

10.1134/S0020441217030241

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Experiments on the irradiation of a carbon target with CO2-laser pulses in the free-running mode at a radiation-flux density of 1.3 x 10(11) W/cm(2) and the time-of-flight technique for measuring the characteristics of the plasma ion component are described. The characteristics of the ion component of plasma that expands along the normal to the target and the statistical spread of the mean values were obtained. As a result of the measurements, the energy spectra of the plasma expansion and the partial ion currents at a chosen distance of the plasma drift from the target were reconstructed. The high time resolution of this technique made it possible to reconstruct the escape times of individual groups of ions from a heated region on the scale of the duration of the heating laser pulse.

引用

页码：556 / 561

页数：6

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