一种带有能量回收直线加速器的X射线自由电子激光振荡器的方案。
A proposal for an X-ray free-electron laser oscillator with an energy-recovery linac.
作者信息
Kim Kwang-Je, Shvyd'ko Yuri, Reiche Sven
机构信息
Advanced Photon Source, Argonne National Laboratory, Argonne, Illinois 60439, USA.
出版信息
Phys Rev Lett. 2008 Jun 20;100(24):244802. doi: 10.1103/PhysRevLett.100.244802. Epub 2008 Jun 17.
We show that a free-electron laser oscillator generating x rays with wavelengths of about 1 A is feasible using ultralow emittance electron beams of a multi-GeV energy-recovery linac, combined with a low-loss crystal cavity. The device will produce x-ray pulses with 10{9} photons at a repetition rate of 1-100 MHz. The pulses are temporarily and transversely coherent, with a rms bandwidth of about 2 meV, and rms pulse length of about 1 ps.
我们表明，利用多GeV能量回收直线加速器的超低发射度电子束，并结合低损耗晶体腔，产生波长约为1埃的x射线的自由电子激光振荡器是可行的。该装置将以1 - 100 MHz的重复频率产生具有10⁹个光子的x射线脉冲。这些脉冲在时间和横向方向上是相干的，均方根带宽约为2 meV，均方根脉冲长度约为1 ps。
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