R
Ryan Coffee
Researcher at SLAC National Accelerator Laboratory
Publications - 188
Citations - 11637
Ryan Coffee is an academic researcher from SLAC National Accelerator Laboratory. The author has contributed to research in topics: Laser & Femtosecond. The author has an hindex of 51, co-authored 174 publications receiving 9948 citations. Previous affiliations of Ryan Coffee include Stanford University & University of Connecticut.
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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
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
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
TL;DR: 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.
Journal ArticleDOI
Self-terminating diffraction gates femtosecond X-ray nanocrystallography measurements
Anton Barty,Carl Caleman,Andrew Aquila,Nicusor Timneanu,Lukas Lomb,Thomas A. White,Jakob Andreasson,David Arnlund,Saša Bajt,Thomas R. M. Barends,Miriam Barthelmess,Michael J. Bogan,Christoph Bostedt,John D. Bozek,Ryan Coffee,Nicola Coppola,Jan Davidsson,Daniel P. DePonte,R. Bruce Doak,Tomas Ekeberg,Veit Elser,Sascha W. Epp,Benjamin Erk,Holger Fleckenstein,Lutz Foucar,Petra Fromme,Heinz Graafsma,Lars Gumprecht,Janos Hajdu,Christina Y. Hampton,Robert Hartmann,Andreas Hartmann,Günter Hauser,Helmut Hirsemann,Peter Holl,Mark S. Hunter,Linda C. Johansson,Stephan Kassemeyer,Nils Kimmel,Richard A. Kirian,Mengning Liang,Filipe R. N. C. Maia,Erik Malmerberg,Stefano Marchesini,Andrew V. Martin,Karol Nass,Richard Neutze,Christian Reich,Daniel Rolles,Benedikt Rudek,Artem Rudenko,Howard A. Scott,Ilme Schlichting,Joachim Schulz,M. Marvin Seibert,M. Marvin Seibert,Robert L. Shoeman,Raymond G. Sierra,Heike Soltau,John C. H. Spence,Francesco Stellato,Stephan Stern,Lothar Strüder,Joachim Ullrich,Xiaoyu Wang,Georg Weidenspointner,Uwe Weierstall,Cornelia B. Wunderer,Henry N. Chapman +68 more
TL;DR: Measurements indicate that current X-ray free-electron laser technology should enable structural determination from submicrometre protein crystals with atomic resolution, and the shortest apparent pulse lengths occur at the highest resolution.
Journal ArticleDOI
Nanoscale spin reversal by non-local angular momentum transfer following ultrafast laser excitation in ferrimagnetic GdFeCo
Catherine Graves,Alexander H. Reid,Alexander H. Reid,Tianhan Wang,Tianhan Wang,Benny Wu,Benny Wu,S. de Jong,K. Vahaplar,Ilie Radu,Ilie Radu,David P. Bernstein,David P. Bernstein,Marc Messerschmidt,Leonard Müller,Ryan Coffee,Mina R. Bionta,Sascha W. Epp,Raimo Hartmann,Nils Kimmel,Günter Hauser,Andreas Hartmann,Peter Holl,H. Gorke,J.H. Mentink,Arata Tsukamoto,Andreas Fognini,Joshua J. Turner,William F. Schlotter,Daniel Rolles,Heike Soltau,Lothar Strüder,Yves Acremann,Alexey Kimel,Andrei Kirilyuk,Theo Rasing,Joachim Stöhr,Andreas Scherz,Hermann A. Dürr +38 more
TL;DR: The results suggest that a magnetic material's microstructure can be engineered to control transient laser-excited spins, potentially allowing faster (~ 1 ps) spin reversal than in present technologies.