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首页> 外文期刊>Plasma physics and controlled fusion >Characteristics of ion emission from plasma produced by high-energy short-wavelength (438 nm) laser radiation
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Characteristics of ion emission from plasma produced by high-energy short-wavelength (438 nm) laser radiation

机译：高能短波（438 nm）激光辐射产生的等离子体的离子发射特性

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Efficient production of highly charged (z > 45) high-energy (up to similar to20 MeV) Ta ions by the interaction of a short-wavelength subnanosecond laser pulse with a solid target has been demonstrated by experimental studies of ion emission from plasma generated by the PALS high-energy short-wavelength (3omega(0)) iodine laser system (less than or equal to0.25 kJ, 0.4 ns, 0.438 mum, less than or equal to 10(16) W cm(-2)) in Prague. The plasma was investigated by means of ion diagnostics based on the time-of-flight method, i.e. ion collectors (ICs) and an electrostatic ion-energy analyser equipped with a windowless electron multiplier serving as an ion current detector. Five ICs were located at different angles, with respect to the target normal. The existence of fast highly charged ions, as well as thermal and slow ions, has now been demonstrated for plasma produced by short-wavelength high-energy laser pulses, as it previously was for long-wavelength lasers. [References: 29]
机译：通过短波亚纳秒激光脉冲与固体靶相互作用，可以有效生产高电荷（z> 45）高能（高达20 MeV）的Ta离子。 PALS高能短波（3omega（0））碘激光系统（小于或等于0.25 kJ，0.4 ns，0.438毫米，小于或等于10（16）W cm（-2））布拉格。通过基于飞行时间方法的离子诊断，即离子收集器（IC）和配备有用作离子电流检测器的无窗电子倍增器的静电离子能量分析仪，研究了等离子体。相对于目标法线，五个IC位于不同的角度。与以前的长波激光一样，短波高能激光脉冲产生的等离子体现已证明存在快速高电荷离子以及热离子和慢离子。 [参考：29]

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