| Article | |
| Title | Coherent sub-femtosecond soft x-ray free-electron laser pulses with nonlinear compression |
| Author(s) | Prat, Eduard (PSI, Villigen) ; Malyzhenkov, Alexander (CERN) ; Arrell, Christopher (PSI, Villigen) ; Craievich, Paolo (PSI, Villigen) ; Reiche, Sven (PSI, Villigen) ; Schietinger, Thomas (PSI, Villigen) ; Wang, Guanglei (PSI, Villigen) |
| Publication | 2023 |
| Number of pages | 5 |
| In: | APL Photon. 8 (2023) 111302 |
| DOI | 10.1063/5.0164666 |
| Abstract | 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. |
| Copyright/License | publication: © 2023-2024 Author(s) (License: CC-BY-4.0) |
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Registre creat el 2024-01-20, darrera modificació el 2024-09-25
