Time-resolved pump-probe experiments at the LCLS

被引：162

作者：

Glownia, James M. ^{[1
,2
]}

Cryan, J. ^{[1
,3
]}

Andreasson, J. ^{[4
]}

Belkacem, A. ^{[5
]}

Berrah, N. ^{[6
]}

Blaga, C. I. ^{[7
]}

Bostedt, C. ^{[8
]}

Bozek, J. ^{[8
]}

DiMauro, L. F. ^{[7
]}

Fang, L. ^{[6
]}

Frisch, J. ^{[8
]}

Gessner, O. ^{[5
]}

Guehr, M. ^{[1
]}

Hajdu, J. ^{[4
]}

Hertlein, M. P.

Hoener, M. ^{[6
]}

Huang, G.

Kornilov, O. ^{[5
]}

Marangos, J. P. ^{[9
]}

March, A. M. ^{[10
]}

McFarland, B. K. ^{[1
,2
]}

Merdji, H. ^{[1
,11
]}

Petrovic, V. S. ^{[3
]}

Raman, C. ^{[12
]}

Ray, D. ^{[10
,13
]}

Reis, D. A. ^{[1
,2
]}

Trigo, M. ^{[1
]}

White, J. L. ^{[2
]}

White, W. ^{[8
]}

Wilcox, R.

Young, L. ^{[10
]}

Coffee, R. N. ^{[1
,8
]}

Bucksbaum, P. H. ^{[1
,2
,3
]}

机构：

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

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

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

[4] Uppsala Univ, Dept Cell & Mol Biol, Lab Mol Biophys, SE-75124 Uppsala, Sweden

[5] Univ Calif Berkeley, Lawrence Berkeley Lab, Div Chem Sci, Ultrafast Xray Sci Lab, Berkeley, CA 94720 USA

[6] Western Michigan Univ, Dept Phys, Kalamazoo, MI 49008 USA

[7] Ohio State Univ, Dept Phys, Columbus, OH 43210 USA

[8] SLAC Natl Accelerator Lab, Linac Coherent Light Source, Menlo Pk, CA 94025 USA

[9] Univ London Imperial Coll Sci Technol & Med, Blackett Lab, London, England

[10] Argonne Natl Lab, Argonne, IL 60439 USA

[11] CEA Saclay, IRAMIS, Serv Photons Atomes & Mol, F-91191 Gif Sur Yvette, France

[12] Georgia Inst Technol, Sch Phys, Atlanta, GA 30332 USA

[13] Kansas State Univ, Dept Phys, Manhattan, KS 66506 USA

来源：

OPTICS EXPRESS | 2010年 / 18卷 / 17期

基金：

美国国家科学基金会;

关键词：

TIMING-JITTER; SPECTROMETER; RESOLUTION; DYNAMICS; LASER;

D O I：

10.1364/OE.18.017620

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

The first time-resolved x-ray/optical pump-probe experiments at the SLAC Linac Coherent Light Source (LCLS) used a combination of feedback methods and post-analysis binning techniques to synchronize an ultrafast optical laser to the linac-based x-ray laser. Transient molecular nitrogen alignment revival features were resolved in time-dependent x-ray-induced fragmentation spectra. These alignment features were used to find the temporal overlap of the pump and probe pulses. The strong-field dissociation of x-ray generated quasi-bound molecular dications was used to establish the residual timing jitter. This analysis shows that the relative arrival time of the Ti:Sapphire laser and the x-ray pulses had a distribution with a standard deviation of approximately 120 fs. The largest contribution to the jitter noise spectrum was the locking of the laser oscillator to the reference RF of the accelerator, which suggests that simple technical improvements could reduce the jitter to better than 50 fs. (C) 2010 Optical Society of America

引用

页码：17620 / 17630

页数：11

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