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New experimental possibilities for measuring radiative opacity under conditions in the Sun's interior

机译:在太阳内部条件下测量辐射不透明度的新实验可能性

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摘要

Opacity experiments that have been conducted to date using long-pulse (nanosecond) high-power lasers have reached conditions similar in density and temperature to those found in the outer part of the radiative flow region of the Sun. Experiments using short-pulse (picosecond) lasers are beginning to give access to conditions halfway to the Sun's centre. In this paper we describe a preliminary design of an opacity experiment that uses a combination of long and short-pulse laser beams to compress and heat the plasma and thereby access conditions similar to those at the centre of the Sun.
机译:迄今为止,使用长脉冲(纳秒)大功率激光器进行的不透明性实验的密度和温度都达到了与太阳辐射流动区域外部相似的条件。使用短脉冲(皮秒)激光的实验开始进入到太阳中心一半位置的条件。在本文中,我们描述了不透明度实验的初步设计,该实验使用长脉冲和短脉冲激光束的组合来压缩和加热等离子体,从而获得类似于太阳中心的条件。

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