Spectral encoding based measurement of x-ray/optical relative delay to ∼10 fs rms

被引：7

作者：

Bionta, Mina R. ^{[1
]}

French, Doug ^{[1
]}

Cryan, James P. ^{[2
]}

Glownia, James M. ^{[1
,3
,4
]}

Hartmann, Nick ^{[1
]}

Nicholson, David J. ^{[1
,3
]}

Baker, Kevin ^{[5
]}

Bostedt, Christoph ^{[1
]}

Cammarrata, Marco ^{[6
]}

Chollet, Matthieu ^{[1
]}

Ding, Yuntao ^{[1
]}

Fritz, Davis M. ^{[1
]}

Durbin, Steve M. ^{[6
]}

Feng, Yiping ^{[1
]}

Harmand, Marion ^{[7
]}

Fry, Alan R. ^{[1
]}

Kane, Daniel J. ^{[8
]}

Krzywinski, Jacek ^{[1
]}

Lemke, Henrik T. ^{[1
]}

Messerschmidt, Marc ^{[1
]}

Ratner, Daniel F. ^{[1
]}

Schorb, Sebastian ^{[1
]}

Toleikis, Sven ^{[7
]}

Zhu, Diling ^{[1
]}

White, William E. ^{[1
]}

Coffee, Ryan N. ^{[1
]}

机构：

[1] SLAC Natl accelerator Lab, Linac Coherent Light source, 2575 Sand Hill Rd, Menlo Pk, CA 94025 USA

[2] Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA

[3] Stanford Univ, Dept Appl Phys, Stanford, CA 94305 USA

[4] SLAC Natl Accelerator Lab, PULSE Inst Ulatrafast Energy Sci, Menlo Pk, CA 94025 USA

[5] Lawrence Livermore Natl Lab, Livermore, CA 94551 USA

[6] Univ Rennes, F-35014 Rennes, France

[7] DESY, Hamburg, Germany

[8] Mesa Photon LLC, Santa Fe, NM 87505 USA

来源：

X-RAY FREE-ELECTRON LASERS: BEAM DIAGNOSTICS, BEAMLINE INSTRUMENTATION, AND APPLICATIONS | 2012年 / 8504卷

关键词：

ultrafast optics; ultrafast x-rays; thin films; ultrafast dynamics; LCLS; FEL; dielectric response; spectral encoding; RAYS;

D O I：

10.1117/12.929097

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A recently demonstrated single-shot measurement of the relative delay between x-ray FEL pulses and optical laser pulses has now been improved to similar to 10 fs rms error and has successfully been demonstrated for both soft and hard x-ray pulses. It is based on x-ray induced step-like reduction in optical transmissivity of a semiconductor membrane (Si3N4). The transmissivity is probed by an optical continuum spanning 450 - 650 nm where spectral chirp provides a mapping of the step in spectrum to the arrival time of the x-ray pulse relative to the optical laser system.

引用

页数：7

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