Multi-Dimensional Effects in Radiation Pressure Acceleration of Ions

被引：0

作者：

Tripathi, V. K. ^{[1
]}

机构：

[1] IIT Delhi, Phys Dept, New Delhi 110016, India

来源：

INTERNATIONAL CONFERENCE ON EMERGING INTERFACES OF PLASMA SCIENCE AND TECHNOLOGY (EIPT-2015) | 2015年 / 1670卷

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D O I：

10.1063/1.4926683

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

A laser carries momentum. On reflection from an ultra-thin overdense plasma foil, it deposits recoil momentum on the foil, i.e. exerts radiation pressure on the foil electrons and pushes them to the rear. The space charge field thus created takes the ions along, accelerating the electron-ion double layer as a single unit. When the foil has surface ripple, of wavelength comparable to laser wavelength, the radiation pressure acts non-uniformly on the foil and the perturbation grows as Reyleigh-Taylor (RT) instability as the foil moves. The finite spot size of the laser causes foil to bend. These effects limit the quasi-mono energy acceleration of ions. Multi-ion foils, e.g., diamond like carbon foil embedded with protons offer the possibility of suppressing RT instability.

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页数：4

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