Journal ArticleDOI
Achieving few-femtosecond time-sorting at hard X-ray free-electron lasers
Marion Harmand,Marion Harmand,Ryan Coffee,Mina R. Bionta,Mina R. Bionta,M. Chollet,Doug French,Diling Zhu,David Fritz,Henrik T. Lemke,Nikita Medvedev,Beata Ziaja,Sven Toleikis,Marco Cammarata +13 more
TLDR
In this article, a measure-and-sort approach was used to achieve sub-10 fs root-mean-squared (rms) error measurement at hard X-ray FELs, far beyond the 100-200 fs rms jitter limitations.Abstract:
Recently, few-femtosecond pulses have become available at hard X-ray free-electron lasers Coupled with the available sub-10 fs optical pulses, investigations into few-femtosecond dynamics are not far off However, achieving sufficient synchronization between optical lasers and X-ray pulses continues to be challenging We report a 'measure-and-sort' approach, which achieves sub-10 fs root-mean-squared (rms) error measurement at hard X-ray FELs, far beyond the 100-200 fs rms jitter limitations This timing diagnostic, now routinely available at the Linac Coherent Light Source (LCLS), is based on ultrafast free-carrier generation in optically transparent materials Correlation between two independent measurements enables unambiguous demonstration of ~6 fs rms error in reporting the optical/X-ray delay, with single shot error suggesting the possibility of reaching few-femtosecond resolutionread more
Citations
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Journal ArticleDOI
Hard X-ray free-electron laser with femtosecond-scale timing jitter
Heung-Sik Kang,Chang-Ki Min,Hoon Heo,Changbum Kim,Haeryong Yang,Gyujin Kim,Inhyuk Nam,Soung Youl Baek,Hyo-Jin Choi,Geonyeong Mun,Byoung Ryul Park,Young Jin Suh,Dong Cheol Shin,Jinyul Hu,Juho Hong,Seonghoon Jung,Sang-Hee Kim,KwangHoon Kim,Donghyun Na,Soung Park,Yong Jung Park,Jang-Hui Han,Young Gyu Jung,Seong Hun Jeong,Hong Gi Lee,Sangbong Lee,Sojeong Lee,Woul-Woo Lee,Bonggi Oh,Hyung Suh,Yong Woon Parc,Sung-Ju Park,Min Ho Kim,Nam-Suk Jung,Young-Chan Kim,Mong-Soo Lee,Bong-Ho Lee,Chi-Won Sung,Ik-Su Mok,Jung-Moo Yang,Chae-Soon Lee,Hocheol Shin,Ji Hwa Kim,Yongsam Kim,Jae Hyuk Lee,Sang-Youn Park,Jangwoo Kim,Jaeku Park,Intae Eom,Seungyu Rah,Su-Nam Kim,Ki Hyun Nam,Jaehyun Park,Jaehun Park,Sang Soo Kim,Soonam Kwon,Sang Han Park,Kyung Sook Kim,HyoJung Hyun,Seung Nam Kim,Seonghan Kim,Sunmin Hwang,Myong-jin Kim,Chae-Yong Lim,Chung-Jong Yu,Bongsoo Kim,Tai-Hee Kang,Kwang-Woo Kim,Seung-Hwan Kim,Hee-Seock Lee,Heung-Soo Lee,Ki-Hyeon Park,Tae-Yeong Koo,Dong Eon Kim,In Soo Ko +74 more
TL;DR: The Pohang Accelerator Laboratory X-ray Free Electron Laser (PAL-XFEL) in South Korea has now entered operation with a timing jitter of just 20 fs.
Journal ArticleDOI
Tracking excited-state charge and spin dynamics in iron coordination complexes
Weiya Zhang,Roberto Alonso-Mori,Uwe Bergmann,Christian Bressler,Matthieu Chollet,Andreas Galler,Wojciech Gawelda,Ryan G. Hadt,Robert W. Hartsock,Thomas Kroll,Kasper S. Kjær,Katharina Kubicek,Henrik T. Lemke,Huiyang W. Liang,Drew A. Meyer,Martin Nielsen,Carola M. Purser,Joseph Robinson,Edward I. Solomon,Zheng Sun,Dimosthenis Sokaras,Tim Brandt van Driel,Gyoergy Vanko,Tsu-Chien Weng,Diling Zhu,Kelly J. Gaffney +25 more
TL;DR: It is demonstrated that femtosecond resolution X-ray fluorescence spectroscopy, with its sensitivity to spin state, can elucidate the spin crossover dynamics of [Fe(2,2′-bipyridine)3]2+ on photoinduced metal-to-ligand charge transfer excitation.
Journal ArticleDOI
Mega-electron-volt ultrafast electron diffraction at SLAC National Accelerator Laboratory
Stephen Weathersby,Garth Brown,Martin Centurion,T. Chase,Ryan Coffee,Jeff Corbett,J. Eichner,Josef Frisch,Alan Fry,Markus Gühr,Nick Hartmann,C. Hast,Robert Hettel,Renee K. Jobe,Erik Jongewaard,James Lewandowski,Renkai Li,Aaron M. Lindenberg,Igor Makasyuk,Justin May,D. McCormick,M. N. Nguyen,Alexander H. Reid,Xiaozhe Shen,Klaus Sokolowski-Tinten,Theodore Vecchione,Sharon Vetter,Jihuai Wu,Jie Yang,Hermann A. Dürr,Xijie Wang +30 more
TL;DR: The SLAC MeV UED system operates at 120-Hz repetition rate with outstanding performance, including the reciprocal space resolution, temporal resolution, and machine stability.
Journal ArticleDOI
SwissFEL: The Swiss X-ray Free Electron Laser
Christopher J. Milne,Thomas Schietinger,M. Aiba,Arturo Alarcon,J. Alex,Alexander Anghel,Vladimir Arsov,Carl Beard,Paul Beaud,Simona Bettoni,M. Bopp,H. Brands,Manuel Brönnimann,Ingo Brunnenkant,Marco Calvi,A. Citterio,Paolo Craievich,Marta Csatari Divall,Mark Dällenbach,Michael D’Amico,Andreas Dax,Yunpei Deng,Alexander Dietrich,Roberto Dinapoli,Edwin Divall,Sladana Dordevic,Simon Ebner,Christian Erny,Hansrudolf Fitze,Uwe Flechsig,Rolf Follath,F. Frei,Florian Gärtner,Romain Ganter,Terence Garvey,Zheqiao Geng,I. Gorgisyan,C. Gough,A. Hauff,Christoph P. Hauri,Nicole Hiller,Tadej Humar,Stephan Hunziker,Gerhard Ingold,Rasmus Ischebeck,Markus Janousch,Pavle Juranić,M. Jurcevic,Maik Kaiser,Babak Kalantari,Roger Kalt,B. Keil,Christoph Kittel,Gregor Knopp,W. Koprek,Henrik T. Lemke,Thomas Lippuner,Daniel Llorente Sancho,Florian Löhl,C. Lopez-Cuenca,Fabian Märki,F. Marcellini,G. Marinkovic,Isabelle Martiel,Ralf Menzel,Aldo Mozzanica,Karol Nass,Gian Luca Orlandi,Cigdem Ozkan Loch,Ezequiel Panepucci,Martin Paraliev,Bruce D. Patterson,Bill Pedrini,Marco Pedrozzi,Patrick Pollet,Claude Pradervand,Eduard Prat,Peter Radi,Jean-Yves Raguin,S. Redford,Jens Rehanek,Julien Réhault,Sven Reiche,Matthias Ringele,J. Rittmann,Leonid Rivkin,Albert Romann,Marie Ruat,C. Ruder,Leonardo Sala,Lionel Schebacher,T. Schilcher,Volker Schlott,Thomas J. Schmidt,Bernd Schmitt,Xintian Shi,M. Stadler,L. Stingelin,Werner Sturzenegger,Jakub Szlachetko,D. Thattil,D. Treyer,A. Trisorio,Wolfgang Tron,S. Vetter,Carlo Vicario,Didier Voulot,Meitian Wang,Thierry Zamofing,Christof Zellweger,R. Zennaro,Elke Zimoch,Rafael Abela,Luc Patthey,Hans-Heinrich Braun +114 more
TL;DR: The SwissFEL X-ray Free Electron Laser (XFEL) facility as discussed by the authors started construction at the Paul Scherrer Institute (Villigen, Switzerland) in 2013 and will be ready to accept its first users in 2018 on the Aramis hard Xray branch.
Journal ArticleDOI
Photon Beam Transport and Scientific Instruments at the European XFEL
Thomas Tschentscher,Christian Bressler,Jan Grünert,Anders Madsen,Adrian P. Mancuso,Michael T. Meyer,Andreas Scherz,Harald Sinn,Ulf Zastrau +8 more
TL;DR: The European XFEL as discussed by the authors is a free-electron laser (FEL) user facility providing soft and hard X-ray FEL radiation to initially six scientific instruments.
References
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Journal ArticleDOI
First lasing and operation of an ångstrom-wavelength free-electron laser
Paul Emma,R. Akre,J. Arthur,Richard M. Bionta,Christoph Bostedt,John D. Bozek,Axel Brachmann,Philip H. Bucksbaum,Ryan Coffee,F.-J. Decker,Y. Ding,David H. Dowell,S. A. Edstrom,Alan Fisher,Josef Frisch,Sasha Gilevich,Jerome B. Hastings,G. Hays,Ph. Hering,Zhirong Huang,R. H. Iverson,Henrik Loos,Marc Messerschmidt,A. Miahnahri,Stefan Moeller,Heinz-Dieter Nuhn,G. Pile,Daniel Ratner,J. Rzepiela,D. Schultz,T. Smith,P. Stefan,H. Tompkins,Joshua J. Turner,J. Welch,William E. White,Juhao Wu,Gerald Yocky,J. Galayda +38 more
TL;DR: The Linac Coherent Light Source free-electron laser has achieved coherent X-ray generation down to a wavelength of 1.2 A and at a brightness that is nearly ten orders of magnitude higher than conventional synchrotrons.
Journal ArticleDOI
Femtosecond X-ray measurement of coherent lattice vibrations near the Lindemann stability limit
Klaus Sokolowski-Tinten,C. Blome,Juris Blums,Andrea Cavalleri,C. Dietrich,Alexander Tarasevitch,Ingo Uschmann,E. Förster,Martin Kammler,M. Horn-von-Hoegen,Dietrich von der Linde +10 more
TL;DR: Time-resolved X-ray diffraction measurements of the coherent atomic displacement of the lattice atoms in photoexcited bismuth close to a phase transition are reported, which leads to a subsequent loss of long-range order.
Journal ArticleDOI
Plasma mirrors for ultrahigh-intensity optics
Cédric Thaury,Fabien Quéré,J. P. Geindre,Anna Lévy,T. Ceccotti,P. Monot,M. Bougeard,F. Réau,Pascal D'Oliveira,Patrick Audebert,Robin Marjoribanks,Ph. Martin +11 more
TL;DR: In this article, the temporal contrast of femtosecond (F2F) laser reflectors was investigated and it was shown that high-order harmonics of the laser frequency can be generated through two distinct mechanisms.
Journal ArticleDOI
Ultrafast Bond Softening in Bismuth: Mapping a Solid's Interatomic Potential with X-rays
David Fritz,David Fritz,David A. Reis,David A. Reis,Bernhard W. Adams,R. A. Akre,J. Arthur,C. Blome,Philip H. Bucksbaum,A. L. Cavalieri,S. Engemann,Stephen Fahy,Roger Falcone,Paul H. Fuoss,Kelly J. Gaffney,M. J. George,Janos Hajdu,M. P. Hertlein,P. B. Hillyard,M. Horn-von Hoegen,Martin Kammler,J. Kaspar,Reinhard Kienberger,Patrick Krejcik,S. H. Lee,Aaron M. Lindenberg,Brian K. McFarland,Drew A. Meyer,T. Montagne,Eamonn Murray,Art J. Nelson,M. Nicoul,R. Pahl,J. Rudati,Holger Schlarb,D. P. Siddons,Klaus Sokolowski-Tinten,Th. Tschentscher,D. von der Linde,Jerome B. Hastings +39 more
TL;DR: These experiments combine stroboscopic techniques that use a high-brightness linear electron accelerator–based x-ray source with pulse-by-pulse timing reconstruction for femtosecond resolution, allowing quantitative characterization of the interatomic potential energy surface of the highly excited solid.
Journal ArticleDOI
Subpicosecond study of carrier trapping dynamics in wide-band-gap crystals
Philippe Martin,Stéphane Guizard,Ph. Daguzan,G. Petite,Pascal D'Oliveira,P. Meynadier,M. Perdrix +6 more
TL;DR: In this paper, a very sensitive time-resolved interferometric technique was used to study the laser induced carrier trapping dynamics in wide band-gap crystals with 100 fs temporal resolution.
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