Coherent sub-femtosecond soft x-ray free-electron laser pulses with nonlinear compression

被引：5
|
作者：
Prat, Eduard [1 ]
Malyzhenkov, Alexander [2 ]
Arrell, Christopher [1 ]
Craievich, Paolo [1 ]
Reiche, Sven [1 ]
Schietinger, Thomas [1 ]
Wang, Guanglei [1 ]
机构：
[1] Paul Scherrer Inst, CH-5232 Villigen, Switzerland
[2] CERN, CH-1211 Geneva 23, Switzerland
来源：
APL PHOTONICS | 2023年 / 8卷 / 11期
关键词：
OPERATION;
D O I：
10.1063/5.0164666
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We demonstrate the generation of coherent soft x-ray free-electron laser (FEL) pulses with a duration below 1 fs using nonlinear compression with a low-charge electron beam (10 pC). The approach is simple, and it does not require any special hardware, so it can be readily implemented at any x-ray FEL facility. We present temporal and spectral diagnostics confirming the production of single-spike sub-femtosecond pulses for photon energies of 642 and 1111 eV. Our work will be important for ultrafast FEL applications requiring soft x-rays.
引用
收藏
页数：5
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