X-ray pulse preserving single-shot optical cross-correlation method for improved experimental temporal resolution

被引：103

作者：

Beye, M. ^{[1
,2
]}

Krupin, O. ^{[3
,4
]}

Hays, G. ^{[3
]}

Reid, A. H. ^{[1
,5
]}

Rupp, D. ^{[3
,6
]}

de Jong, S. ^{[3
]}

Lee, S. ^{[3
]}

Lee, W. -S. ^{[1
]}

Chuang, Y. -D. ^{[7
]}

Coffee, R. ^{[3
]}

Cryan, J. P. ^{[3
,8
]}

Glownia, J. M. ^{[3
,8
]}

Foehlisch, A. ^{[2
]}

Holmes, M. R. ^{[3
]}

Fry, A. R. ^{[3
]}

White, W. E. ^{[3
]}

Bostedt, C. ^{[3
]}

Scherz, A. O. ^{[1
]}

Durr, H. A. ^{[1
,8
]}

Schlotter, W. F. ^{[3
]}

机构：

[1] SLAC Natl Accelerator Lab, SIMES, Menlo Pk, CA 94025 USA

[2] Helmholtz Zentrum Berlin Mat & Energie GmbH, D-12489 Berlin, Germany

[3] SLAC Natl Accelerator Lab, LCLS, Menlo Pk, CA 94025 USA

[4] European XFEL GmbH, D-22607 Hamburg, Germany

[5] Radboud Univ Nijmegen, Inst Mol & Mat, NL-6525 AJ Nijmegen, Netherlands

[6] Tech Univ Berlin, D-10623 Berlin, Germany

[7] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Adv Light Source, Berkeley, CA 94720 USA

[8] SLAC Natl Accelerator Lab, PULSE, Menlo Pk, CA 94025 USA

来源：

APPLIED PHYSICS LETTERS | 2012年 / 100卷 / 12期

关键词：

free electron lasers; optical correlation;

D O I：

10.1063/1.3695164

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We measured the relative arrival time between an optical pulse and a soft x-ray pulse from a free-electron laser. This femtosecond cross-correlation measurement was achieved by observing the change in optical reflectivity induced through the absorption of a fraction of the x-ray pulse. The main x-ray pulse energy remained available for an independent pump-probe experiment where the sample may be opaque to soft x-rays. The method was employed to correct the two-pulse delay data from a canonical pump-probe experiment and demonstrate 130 +/- 20 fs (FWHM) temporal resolution. We further analyze possible timing jitter sources and point to future improvements. (C) 2012 American Institute of Physics. [http://dx.doi.org/10.1063/1.3695164]

引用

页数：4

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