Generation of Terahertz Radiation by Relativistic Laser Pulses on the Surface of Thick Solid Targets and Thin Foils

被引：0

作者：

Mitrofanov, A. V. ^{[1
,2
,3
]}

Rozhko, M. V. ^{[1
,3
]}

Nazarov, M. M. ^{[2
]}

Yakushkin, N. V. ^{[1
,3
]}

Voronin, A. A. ^{[1
,3
]}

Fedotov, A. B. ^{[1
,3
]}

Sidorov-Biryukov, D. A. ^{[1
,2
,3
]}

机构：

[1] Russian Quantum Ctr, Moscow 143025, Russia

[2] NRC Kurchatov Inst, Moscow 123182, Russia

[3] Moscow MV Lomonosov State Univ, Phys Dept, Moscow 119991, Russia

来源：

JETP LETTERS | 2024年 / 119卷 / 03期

基金：

俄罗斯科学基金会;

关键词：

ABSORPTION; PLASMA;

D O I：

10.1134/S0021364023604220

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Terahertz pulse generation from multiterawatt laser surface plasma near thick solid targets and thin foils has been studied. Pulses with energies up to 7 mu J were detected in the spectral region <3THz in the direction of specular reflection from the surface of the CaF2 target. The dependence of the terahertz pulse energy W-T Hz on the laser pulse intensity I-L(alpha) can be approximated by the power function W-T Hz similar to I-L(alpha). For a fixed laser pulse duration and variable energy the power index lies in the range alpha approximate to 1.5 & mldr;2.8, while for a fixed energy and variable duration alpha approximate to 1.

引用

页码：166 / 172

页数：7

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