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首页> 外文期刊>Plasma and Fusion Research >Collisionless Shock Wave Generation in Counter-Streaming Plasmas Using Gekko XII HIPER Laser
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Collisionless Shock Wave Generation in Counter-Streaming Plasmas Using Gekko XII HIPER Laser

机译:使用Gekko XII HIPER激光在逆流等离子体中产生无碰撞冲击波

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Collisionless shock wave generation in counter-streaming plasmas for several target materials (Al, C, Cu, and Pb) is investigated using a high-power laser system. Counter-streaming plasmas are produced by irradiating an inner surface of a double-plane target. For Al, C, and Pb, a shock wave is observed in self-emission measurements similar to the previous experiment using a CH target [Y. Kuramitsu et al., J. Phys.: Conf. Series. 24, 042008 (2010)], and the width of the transition region is much shorter than the ion-ion collision mean-free-paths. The mean-free-paths tend to be longer for heavier materials, because the ionization degrees Z are not so different among these materials.
机译:使用高功率激光系统研究了几种目标材料(Al,C,Cu和Pb)在逆流等离子体中产生的无碰撞冲击波。通过照射双平面靶的内表面来产生逆流等离子体。对于Al,C和Pb,在自发光测量中观察到了冲击波,类似于使用CH目标的先前实验[Y. Kuramitsu et al。,J.Phys。:Conf。系列。 24,042008(2010)],并且过渡区域的宽度比离子-离子碰撞平均自由程短得多。对于较重的材料,平均自由程趋于更长,因为这些材料之间的电离度Z差别不大。

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