啁啾种子自由电子激光的双色产生
Two-colour generation in a chirped seeded Free-Electron Laser
摘要：
我们提出了一种实验演示的方法，用于产生两个光谱和时间分离的脉冲由外部种子，单程自由电子激光工作在极紫外光谱范围。我们的研究结果，收集在FERMI@Elettra设施和数值模拟证实，证明了控制所产生的脉冲的光谱和时间特征的可能性。在这种模式下工作的自由电子激光成为无抖动双色泵浦探测实验的合适光源。
英文摘要：
We present the experimental demonstration of a method for generating two spectrally and temporally separated pulses by an externally seeded, single-pass free-electron laser operating in the extreme-ultraviolet spectral range. Our results, collected on the FERMI@Elettra facility and confirmed by numerical simulations, demonstrate the possibility of controlling both the spectral and temporal features of the generated pulses. A free-electron laser operated in this mode becomes a suitable light source for jitter-free, two-colour pump-probe experiments.
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