Electron slicing for the generation of tunable femtosecond soft x-ray pulses from a free electron laser and slice diagnostics

被引：8

作者：

Di Mitri, S. ^{[1
]}

Castronovo, D. ^{[1
]}

Cudin, I. ^{[1
]}

Froehlich, L. ^{[1
]}

机构：

[1] Elettra Sincrotrone Trieste SCpA, I-34149 Trieste, Italy

来源：

PHYSICAL REVIEW SPECIAL TOPICS-ACCELERATORS AND BEAMS | 2013年 / 16卷 / 04期

关键词：

EXTREME-ULTRAVIOLET; SASE-FEL; OPERATION; COHERENT; INTENSE;

D O I：

10.1103/PhysRevSTAB.16.042801

中图分类号：

O57 [原子核物理学、高能物理学];

学科分类号：

070202 ;

摘要：

We present the experimental results of femtosecond slicing an ultrarelativistic, high brightness electron beam with a collimator. In contrast to some qualitative considerations reported in Phys. Rev. Lett. 92, 074801 (2004), we first demonstrate that the collimation process preserves the slice beam quality, in agreement with our theoretical expectations, and that the collimation is compatible with the operation of a linear accelerator in terms of beam transport, radiation dose, and collimator heating. Accordingly, the collimated beam can be used for the generation of stable femtosecond soft x-ray pulses of tunable duration, from either a self-amplified spontaneous emission or an externally seeded free electron laser. The proposed method also turns out to be a more compact and cheaper solution for electron slice diagnostics than the commonly used radio frequency deflecting cavities and has minimal impact on the machine design. DOI: 10.1103/PhysRevSTAB.16.042801

引用

页数：5

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