Plasma density characterization at SPARC_LAB through Stark broadening of Hydrogen spectral lines

被引:2
作者
Filippi, F. [1 ,2 ]
Anania, M. P. [3 ]
Bellaveglia, M. [3 ]
Biagioni, A. [3 ]
Chiadroni, E. [3 ]
Cianchi, A. [4 ]
DiGiovenale, D. [3 ]
Di Pirro, G. [3 ]
Ferrario, M. [3 ]
Mostacci, A. [1 ,2 ]
Palumbo, L. [1 ,2 ]
Pompili, R. [3 ]
Shpakov, V. [3 ]
Vaccarezza, C. [3 ]
Villa, F. [3 ]
Zigler, A. [5 ]
机构
[1] Sapienza Univ Roma, Dipartimento Sci Base & Applicate Ingn SBAI, Via A Scarpa 14-16, I-00161 Rome, Italy
[2] INFN Roma 1, Piazzale Aldo Moro 2, I-00161 Rome, Italy
[3] INFN, Lab Nazl Frascati, Via E Fermi, Frascati, Italy
[4] Univ Roma Tor Vergata, Dipartmento Fis, Via Ric Sci 1, I-00133 Rome, Italy
[5] Hebrew Univ Jerusalem, IL-91904 Jerusalem, Israel
关键词
Plasma diagnosis; Stark effect; Plasma spectroscopy; LASER WAKEFIELD ACCELERATOR; CAPILLARY DISCHARGE;
D O I
10.1016/j.nima.2016.02.071
中图分类号
TH7 [仪器、仪表];
学科分类号
0804 ; 080401 ; 081102 ;
摘要
Plasma-based acceleration techniques are of great interest for future, compact accelerators due to their high accelerating gradient. Both particle-driven and laser-driven Plasma Wakefield Acceleration experiments are foreseen at the SPARC_LAB Test Facility (INFN National Laboratories of Frascati, Italy), with the aim to accelerate high-brightness electron beams. In order to optimize the efficiency of the acceleration in the plasma and preserve the quality of the accelerated beam, the knowledge of the plasma electron density is mandatory. The Stark broadening of the Hydrogen spectral lines is one of the candidates used to characterize plasma density. The implementation of this diagnostic for plasma-based experiments at SPARC_LAB is presented. (C) 2016 Elsevier B.V. All rights reserved.
引用
收藏
页码:326 / 329
页数:4
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