Efficient Generation of X-Ray Radiation under Relativistic Laser Pulses Interaction with a Kr Cluster Jet

被引：0

作者：

Shcheglov, P. A. ^{[1
]}

Nazarov, M. M. ^{[1
]}

Semenov, T. A. ^{[1
]}

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

Chashchin, M. V. ^{[1
]}

Lazarev, A. V. ^{[3
]}

Gordienko, V. M. ^{[2
]}

机构：

[1] Kurchatov Inst, Natl Res Ctr, Moscow 123182, Russia

[2] Moscow State Univ, Fac Phys, Moscow 119991, Russia

[3] Moscow State Univ, Fac Chem, Moscow 119991, Russia

来源：

BULLETIN OF THE LEBEDEV PHYSICS INSTITUTE | 2024年 / 51卷 / SUPPL 7期

关键词：

X-ray radiation; clusters; laser-plasma source; ELECTRONS; INTENSE;

D O I：

10.3103/S1068335624601791

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

X-ray generation under interaction of relativistic laser pulses with krypton clusters has been studied. It is shown that the optimal focusing points for generating characteristic and hard bremsstrahlung are located in regions with different cluster concentrations inside the gas jet. A record (4.2 x 10(-6)) conversion efficiency of relativistic laser pulses into characteristic K-alpha (12.6 keV) has been achieved under interaction with large krypton clusters. The bremsstrahlung plasma temperature has been measured to be T-e = 6 keV at an integral energy of the X-ray pulse of 3 x 10(9) keV/(4 pi pulse). The application of the designed source in time-resolved X-ray studies and in radiobiology are discussed.

引用

页码：S564 / S571

页数：8

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