Modelling and design of high harmonic seeding in soft x-ray laser plasmas with both direct and stretched amplification techniques: application to ELI facilities

被引：0

作者：

Zeitoun, Philippe ^{[1
]}

Oliva, Eduardo ^{[1
]}

Fajardo, Marta ^{[2
]}

Ros, David ^{[3
]}

Pittman, Moana ^{[3
]}

Sebban, Stephane ^{[1
]}

Velarde, Pedro ^{[4
]}

机构：

[1] Ecole Polytech ParisTech, CNRS, ENSTA Paristech, Lab Opt Appl, Palaiseau, France

[2] Inst Plasmas & Fusao Nucl, GoLP, Inst Super Tecn, Lab Associado, Lisbon, Portugal

[3] Lab Phys Gaz & Plasma, Orsay, France

[4] Univ Politecn Madrid, Inst Fus Nucl, Madrid, Spain

来源：

DIODE-PUMPED HIGH ENERGY AND HIGH POWER LASERS ELI: ULTRARELATIVISTIC LASER-MATTER INTERACTIONS AND PETAWATT PHOTONICS AND HIPER: THE EUROPEAN PATHWAY TO LASER ENERGY | 2011年 / 8080卷

关键词：

soft x-ray laser; chirped pulse amplification; high-order harmonic seeding; grating; Bloch-Maxwell;

D O I：

10.1117/12.886735

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Seeding plasma-based soft x-ray laser (SXRL) demonstrated diffraction-limited, fully coherent in space and in time beam but with energy not exceeding 1 mu J per pulse. Quasi-steady-state (QSS) plasmas demonstrated to be able to store high amount of energy and then amplify incoherent SXRL up to several mJ. Using 1D time-dependant Bloch-Maxwell model including amplification of noise, we demonstrated that femtosecond HHG cannot be efficiently amplified in QSS plasmas. However, using Chirped Pulse Amplification concept on HHG seed allows to extract most of the stored energy, reaching up to 5 mJ in fully coherent 130 fs pulses. Original pump-probe experiments will be proposed thanks to the high laser energy available in ELI facilities.

引用

页数：6

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