Enhanced proton acceleration from an ultrathin double-foil target with circularly polarized laser pulses

被引：0

作者：

Liu, Z. ^{[1
,2
]}

Zhao, M. K. ^{[2
,3
]}

Zhuang, J. Z. ^{[1
,2
]}

Peng, W. J. ^{[2
,3
]}

Sun, H. F. ^{[2
,4
]}

Chen, X. ^{[2
]}

Zhang, Y. ^{[2
]}

Zheng, Y. F. ^{[5
]}

Shao, Y. C. ^{[5
]}

Xu, Y. ^{[2
]}

Leng, Y. X. ^{[1
,2
]}

Bin, J. H. ^{[1
,2
]}

Li, R. X. ^{[2
,4
]}

机构：

[1] Shanghai Univ, Sch Microelect, Shanghai 201800, Peoples R China

[2] Chinese Acad Sci, State Key Lab High Field Laser Phys, Shanghai Inst Opt & Fine Mech, Shanghai 201800, Peoples R China

[3] Univ Chinese Acad Sci, Ctr Mat Sci & Optoelect Engn, Beijing 100049, Peoples R China

[4] Shanghai Tech Univ, Shanghai 201210, Peoples R China

[5] Chinese Acad Sci, Shanghai Inst Opt & Fine Mech, Key Lab Mat High Power Laser, Shanghai 201800, Peoples R China

来源：

PHYSICS OF PLASMAS | 2025年 / 32卷 / 03期

基金：

中国国家自然科学基金;

关键词：

D O I：

10.1063/5.0249281

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：

The generation of proton beams using ultrathin double-foil targets driven by circularly polarized laser pulses is explored experimentally. A significant increase up to 2.7 times in proton maximum energies is observed with respect to a typical single-foil target. The total number of protons was increased by a factor of 6. Two-dimensional particle-in-cell simulations agree with the experimental data and suggest that such an increase is attributable to a more pronounced radiation pressure acceleration process when the circularly polarized laser pulse propagates through the first nanometer thin foil and undergoes strong pulse shaping via relativistic nonlinearities.

引用

页数：5

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