用高功率laser装置对诱导康普顿散射的实验观测
Toward experimental observations of induced Compton scattering by high-power laser facilities
摘要：
感生康普顿散射是强电磁辐射与稀薄等离子体之间的非线性相互作用。虽然类星体的磁层是自然界中ICS发生的一个潜在场所，但迄今为止还没有发现ICS的特征。未检测到ICS签名的原因之一是，我们仍然没有达到这种非线性等离子体相互作用的具体理解，因为它们的非线性性质和缺乏实验证实。在这里，我们提出了一种可能的方法来理解ICS实验在实验室中，特别是，使用最新的短脉冲激光。我们发现ICS的散射光在光谱中具有特征签名。这些特征将在某些现有的激光设备中观察到。特征光谱是定量预测的，我们可以诊断的散射等离子体的属性从签名。
英文摘要：
Induced Compton scattering (ICS) is a nonlinear interaction between intense electromagnetic radiation and a rarefied plasma. Although the magnetosphere of pulsars is a potential cite at which ICS occurs in nature, the ICS signatures have not been discovered so far. One of the reasons for non-detection of the ICS signatures is that we still do not attain the concrete understanding of such nonlinear plasma interactions because of their nonlinear nature and of the lack of experimental confirmations. Here, we propose a possible approach to understand ICS experimentally in laboratories, especially, with the use of the up-to-date short-pulse lasers. We find that the scattered light of ICS has characteristic signatures in the spectrum. The signatures will be observed in some current laser facilities. The characteristic spectrum is quantitatively predictable and we can diagnose the properties of the scattering plasma from the signatures.
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