Frequency and spatially chirped free-electron laser pulses

被引：4

作者：

Reiche, S. ^{[1
]}

Bacellar, C. ^{[2
]}

Bougiatioti, P. ^{[2
]}

Cirelli, C. ^{[2
]}

Dijkstal, P. ^{[1
,3
]}

Juranic, P. ^{[1
]}

Ferrari, E. ^{[1
,3
]}

Knopp, G. ^{[2
]}

Malyzhenkov, A. ^{[1
,4
]}

Milne, C. ^{[2
,5
]}

Nass, K. ^{[2
]}

Prat, E. ^{[1
]}

Vila-Comamala, J. ^{[2
]}

David, C. ^{[2
]}

机构：

[1] Paul Scherrer Inst, GFA, CH-5232 Villigen, Switzerland

[2] Paul Scherrer Inst, PSD, CH-5232 Villigen, Switzerland

[3] DESY, D-22607 Hamburg, Germany

[4] CERN, CH-1211 Geneva 23, Switzerland

[5] European XFEL, D-22869 Schenefeld, Germany

来源：

PHYSICAL REVIEW RESEARCH | 2023年 / 5卷 / 02期

关键词：

ABSORPTION-SPECTROSCOPY; LONGITUDINAL IMPEDANCE; TRANSVERSE-GRADIENT;

D O I：

10.1103/PhysRevResearch.5.L022009

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We have produced hard x-ray free-electron laser (FEL) pulses, which are chirped both in photon energy and in spatial position. The experiments have been carried out at the hard x-ray beamline Aramis at SwissFEL, located at the Paul Scherrer Institute in Switzerland. The FEL beamline was operated without any external focusing and with a tilted, energy-chirped electron bunch, whose properties are then transferred to the photon beam. The resulting FEL pulses were used for a single-shot absorption x-ray spectroscopy experiment at the Alvra endstation. But, as will be outlined, applications of this type of tailored FEL pulse go beyond such experiments, allowing for x-ray pulse compression and control of the transverse coherence within the pulse.

引用

页数：7

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