Focusing of High-Brightness Electron Beams with Active-Plasma Lenses

被引：47

作者：

Pompili, R. ^{[1
]}

Anania, M. P. ^{[1
]}

Bellaveglia, M. ^{[1
]}

Biagioni, A. ^{[1
]}

Bini, S. ^{[1
]}

Bisesto, F. ^{[1
]}

Brentegani, E. ^{[1
]}

Cardelli, F. ^{[1
]}

Castorina, G. ^{[2
]}

Chiadroni, E. ^{[1
]}

Cianchi, A. ^{[3
,4
]}

Coiro, O. ^{[1
]}

Costa, G. ^{[1
]}

Croia, M. ^{[1
]}

Di Giovenale, D. ^{[1
]}

Ferrario, M. ^{[1
]}

Filippi, F. ^{[1
]}

Giribono, A. ^{[1
]}

Lollo, V. ^{[1
]}

Marocchino, A. ^{[1
]}

Marongiu, M. ^{[2
]}

Martinelli, V. ^{[1
]}

Mostacci, A. ^{[2
]}

Pellegrini, D. ^{[1
]}

Piersanti, L. ^{[1
]}

Di Pirro, G. ^{[1
]}

Romeo, S. ^{[1
]}

Rossi, A. R. ^{[5
]}

Scifo, J. ^{[1
]}

Shpakov, V. ^{[1
]}

Stella, A. ^{[1
]}

Vaccarezza, C. ^{[1
]}

Villa, F. ^{[1
]}

Zigler, A. ^{[1
,6
]}

机构：

[1] Lab Nazl Frascati, Via Enrico Fermi 40, I-00044 Frascati, Italy

[2] Sapienza Univ, Piazzale Aldo Moro 5, I-00185 Rome, Italy

[3] Univ Roma Tor Vergata, Via Ric Sci 1, I-00133 Rome, Italy

[4] Ist Nazl Fis Nucl, Via Ric Sci 1, I-00133 Rome, Italy

[5] INFN Milano, Via Celoria 16, I-20133 Milan, Italy

[6] Hebrew Univ Jerusalem, Racah Inst Phys, IL-91904 Jerusalem, Israel

来源：

PHYSICAL REVIEW LETTERS | 2018年 / 121卷 / 17期

基金：

欧盟地平线“2020”;

关键词：

ACCELERATION; LASER;

D O I：

10.1103/PhysRevLett.121.174801

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Plasma-based technology promises a tremendous reduction in size of accelerators used for research, medical, and industrial applications, making it possible to develop tabletop machines accessible for a broader scientific community. By overcoming current limits of conventional accelerators and pushing particles to larger and larger energies, the availability of strong and tunable focusing optics is mandatory also because plasma-accelerated beams usually have large angular divergences. In this regard, activeplasma lenses represent a compact and affordable tool to generate radially symmetric magnetic fields several orders of magnitude larger than conventional quadrupoles and solenoids. However, it has been recently proved that the focusing can be highly nonlinear and induce a dramatic emittance growth. Here, we present experimental results showing how these nonlinearities can be minimized and lensing improved. These achievements represent a major breakthrough toward the miniaturization of next-generation focusing devices.

引用

页数：6

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