Global proliferation of free-electron laser X-ray sources has improved accessibility. Now the race is on for high repetition rates, attosecond pulses, and full coherence.

中文翻译：

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快速而激烈的 X 射线自由电子激光器


自由电子激光 X 射线源在全球的普及提高了可及性。现在，争夺高重复率、阿秒脉冲和完全相干性的竞赛已经开始。