Optimization of x-ray emission from  triple-foil  target irradiated with counter-propagate laser

Y. Yuan; Y. Y. Ma

doi:10.1117/12.2597560

6 June 2021 Optimization of x-ray emission from triple-foil target irradiated with counter-propagate laser

Y. Yuan, Y. Y. Ma

Author Affiliations +

Proceedings Volume 11849, Fourth International Symposium on High Power Laser Science and Engineering (HPLSE 2021); 1184907 (2021) https://doi.org/10.1117/12.2597560
Event: Fourth International Symposium on High Power Laser Science and Engineering (HPLSE 2021), 2021, Suzhou, China

Abstract

The triple-foil target irradiated by the counter-propagate(C-P) laser has been proposed to enhance the laser to X-ray conversion efficiency (CE). Through one-dimensional radiation hydrodynamic simulation, it is found that the total X-ray CE for the triple-foil target with C-P laser has a 61% radiation energy fraction. It is a 6% improvement compared to the double-foil target and a 17% improvement to the standard target. It has been shown that the increased X-ray emission is mainly concentrated in the soft X-ray region, which is caused by the broad radiation region and reduces the development of the ion kinetic energy. Additionally, the target geometric parameters have been discussed for finding the best laser to Xray CE with the detailed analysis of the plasma's hydrodynamic evolution.

Citation Download Citation

Y. Yuan and Y. Y. Ma "Optimization of x-ray emission from triple-foil target irradiated with counter-propagate laser", Proc. SPIE 11849, Fourth International Symposium on High Power Laser Science and Engineering (HPLSE 2021), 1184907 (6 June 2021); https://doi.org/10.1117/12.2597560

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