Tunable x-ray free electron laser multi-pulses with nanosecond separation

被引：20

作者：

Decker, Franz-Josef ^{[1
]}

Bane, Karl L. ^{[1
]}

Colocho, William ^{[1
]}

Gilevich, Sasha ^{[1
]}

Marinelli, Agostino ^{[1
]}

Sheppard, John C. ^{[1
]}

Turner, James L. ^{[1
]}

Turner, Joshua J. ^{[1
]}

Vetter, Sharon L. ^{[1
]}

Halavanau, Aliaksei ^{[1
]}

Pellegrini, Claudio ^{[1
]}

Lutman, Alberto A. ^{[1
]}

机构：

[1] SLAC Natl Accelerator Lab, 2575 Sand Hill Rd, Menlo Pk, CA 94025 USA

来源：

SCIENTIFIC REPORTS | 2022年 / 12卷 / 01期

关键词：

COHERENT; OPERATION;

D O I：

10.1038/s41598-022-06754-y

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

X-ray Free Electron Lasers provide femtosecond x-ray pulses with narrow bandwidth and unprecedented peak brightness. Special modes of operation have been developed to deliver double pulses for x-ray pump, x-ray probe experiments. However, the longest delay between the two pulses achieved with existing single bucket methods is less than 1 picosecond, thus preventing the exploration of longer time-scale dynamics. We present a novel two-bucket scheme covering delays from 350 picoseconds to hundreds of nanoseconds in discrete steps of 350 picoseconds. Performance for each pulse can be similar to the one in a single pulse operation. The method has been experimentally tested with the Linac Coherent Light Source (LCLS-I) and the copper linac with LCLS-II hard x-ray undulators.

引用

页数：11

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