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首页> 外文期刊>Plasma physics and controlled fusion >High-flux x-ray photon emission by a superluminal hybrid electromagnetic mode of intense laser in a plasma waveguide
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High-flux x-ray photon emission by a superluminal hybrid electromagnetic mode of intense laser in a plasma waveguide

机译：通过凝固激光器中的高阵列混合电磁模式在等离子体波导中的高通量X射线光子发射

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The feasibility of several novel ultrafast x-ray sources has been demonstrated through the interaction between laser and a micro-structured target. However, the resulting photon flux is still deficient for some applications. Here, we proposed a new method to yield high-flux synchrotron radiation by adopting compact hollow plasma waveguide. We verified the method theoretically and numerically. Linearly polarized laser pulses propagating in the waveguide are mainly converted into the electromagnetic mode HE11 with a superluminal phase speed of 1.02c when the pulse is coupled with the waveguide. The mode fields lead to a strong oscillating force and short oscillation period for energetic electrons, which are accelerated via the longitudinal acceleration mechanism. Then, the short x-ray beam is generated with high yield of 10(11)-10(12). The corresponding photon flux reaches 3.5 x 10(21) photons s(-1). 0.1% bandwidth. The high-flux source can be even used for single shot ultrafast imaging or the ultrafast x-ray diffraction and absorption studies.
机译：已经通过激光和微结构靶之间的相互作用来证明了几种新型超快X射线源的可行性。然而，所得到的光子通量仍然缺乏一些应用。在这里，我们提出了一种通过采用紧凑的中空等离子体波导来产生高通量同步辐射的新方法。我们理论上和数值验证了该方法。当脉冲与波导耦合时，在波导中传播的线性偏振光激光脉冲主要被转换成具有1.02℃的超级液相速度。模式场导致能量电子的强振荡力和短振荡周期，通过纵向加速机制加速。然后，通过高产10（11）-10（12）产生短X射线束。相应的光子通量达到3.5×10（21）光子S（-1）。 0.1％带宽。高通量源甚至可以用于单次超速成像或超快X射线衍射和吸收研究。

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