Jitter-correction for IR/UV-XUV pump-probe experiments at the FLASH free-electron laser

被引：35

作者：

Savelyev, Evgeny ^{[1
]}

Boll, Rebecca ^{[1
]}

Bomme, Cedric ^{[1
]}

Schirmel, Nora ^{[1
]}

Redlin, Harald ^{[1
]}

Erk, Benjamin ^{[1
]}

Duesterer, Stefan ^{[1
]}

Mueller, Erland ^{[1
]}

Hoeppner, Hauke ^{[1
,2
]}

Toleikis, Sven ^{[1
]}

Mueller, Jost ^{[1
]}

Czwalinna, Marie Kristin ^{[1
]}

Treusch, Rolf ^{[1
]}

Kierspel, Thomas ^{[3
,4
]}

Mullins, Terence ^{[3
]}

Trippel, Sebastian ^{[3
,4
]}

Wiese, Joss ^{[3
]}

Kuepper, Jochen ^{[3
,4
,5
]}

Brausse, Felix ^{[6
]}

Krecinic, Faruk ^{[6
]}

Rouzee, Arnaud ^{[6
]}

Rudawski, Piotr ^{[7
]}

Johnsson, Per ^{[7
]}

Amini, Kasra ^{[8
]}

Lauer, Alexandra ^{[8
]}

Burt, Michael ^{[8
]}

Brouard, Mark ^{[8
]}

Christensen, Lauge ^{[9
]}

Thogersen, Jan ^{[9
]}

Stapelfeldt, Henrik ^{[9
]}

Berrah, Nora ^{[10
]}

Mueller, Maria ^{[11
]}

Ulmer, Anatoli ^{[11
]}

Techert, Simone ^{[1
,12
,13
]}

Rudenko, Artem ^{[14
]}

Rolles, Daniel ^{[1
,14
]}

机构：

[1] DESY, D-22607 Hamburg, Germany

[2] Carl von Ossietzky Univ Oldenburg, Inst Phys, D-26111 Oldenburg, Germany

[3] DESY, Ctr Free Electron Laser Sci CFEL, D-22607 Hamburg, Germany

[4] Univ Hamburg, Ctr Ultrafast Imaging, D-22761 Hamburg, Germany

[5] Univ Hamburg, Dept Phys, D-22761 Hamburg, Germany

[6] Max Born Inst Nichtlineare Opt & Kurzzeitspektros, D-12489 Berlin, Germany

[7] Lund Univ, Dept Phys, SE-22100 Lund, Sweden

[8] Univ Oxford, Dept Chem, Chem Res Lab, Oxford OX1 3TA, England

[9] Aarhus Univ, Dept Chem, DK-8000 Aarhus C, Denmark

[10] Univ Connecticut, Dept Phys, Storrs, CT 06269 USA

[11] Tech Univ Berlin, Inst Opt & Atomare Phys, D-10623 Berlin, Germany

[12] Max Planck Inst Biophys Chem, D-33077 Gottingen, Germany

[13] Gottingen Univ, Inst Xray Phys, D-33077 Gottingen, Germany

[14] Kansas State Univ, Dept Phys, JR Macdonald Lab, Manhattan, KS 66506 USA

来源：

NEW JOURNAL OF PHYSICS | 2017年 / 19卷

基金：

英国工程与自然科学研究理事会; 瑞典研究理事会;

关键词：

free-electron laser; pump-probe experiments; photodissociation; velocity map imaging; time-resolved ion imaging; EXTREME-ULTRAVIOLET; STRUCTURAL DYNAMICS; CHARGE-TRANSFER; GAS-PHASE; FEMTOSECOND; MOLECULES; VISUALIZATION; ISOMERIZATION; OPERATION; COHERENT;

D O I：

10.1088/1367-2630/aa652d

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

In pump-probe experiments employing a free-electron laser (FEL) in combination with a synchronized optical femtosecond laser, the arrival-time jitter between the FEL pulse and the optical laser pulse often severely limits the temporal resolution that can be achieved. Here, we present a pump-probe experiment on the UV-induced dissociation of 2,6-difluoroiodobenzene (C6H3F2I) molecules performed at the FLASH FEL that takes advantage of recent upgrades of the FLASH timing and synchronization system to obtain high-quality data that are not limited by the FEL arrival-time jitter. Wediscuss in detail the necessary data analysis steps and describe the origin of the timedependent effects in the yields and kinetic energies of the fragment ions that we observe in the experiment.

引用

页数：13

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