Sam Vinko
University of Oxford
75 Papers
126 Citations
Sam Vinko is an academic researcher from University of Oxford. The author has contributed to research in topics: Laser & Plasma. The author has an hindex of 21, co-authored 62 publications. Previous affiliations of Sam Vinko include Oxford Brookes University & Rutherford Appleton Laboratory.
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Papers
Creation and diagnosis of a solid-density plasma with an X-ray free-electron laser
Sam Vinko,O. Ciricosta,Byoung-ick Cho,K. Engelhorn,Hyun-Kyung Chung,C. R. D. Brown,Tomáš Burian,Jaromír Chalupský,Roger Falcone,Roger Falcone,Catherine Graves,Věra Hájková,Andrew Higginbotham,Libor Juha,Jacek Krzywinski,H. J. Lee,Marc Messerschmidt,C. D. Murphy,Yuan Ping,Andreas Scherz,William F. Schlotter,Sven Toleikis,Joshua J. Turner,L. Vysin,Tianhan Wang,B. Wu,Ulf Zastrau,Diling Zhu,Richard W. Lee,P.A. Heimann,Bob Nagler,Justin Wark +31 more
TL;DR: The experimental creation of a solid-density plasma at temperatures in excess of 106 kelvin on inertial-confinement timescales using an X-ray free-electron laser is reported and insights are obtained into the evolution of the charge state distribution of the system, the electron density and temperature, and the timescale of collisional processes.
487
Direct measurements of the ionization potential depression in a dense plasma.
O. Ciricosta,Sam Vinko,Hyun-Kyung Chung,Byoung-ick Cho,C. R. D. Brown,Tomáš Burian,Jaromír Chalupský,K. Engelhorn,Roger Falcone,Roger Falcone,Catherine Graves,Věra Hájková,Andrew Higginbotham,Libor Juha,Jacek Krzywinski,Hae Ja Lee,Marc Messerschmidt,C. D. Murphy,Yuan Ping,D. S. Rackstraw,Andreas Scherz,William F. Schlotter,Sven Toleikis,Joshua J. Turner,L. Vysin,Tianhan Wang,Benny Wu,Ulf Zastrau,Diling Zhu,R. W. Lee,P.A. Heimann,Bob Nagler,Justin Wark +32 more
TL;DR: The results are found to disagree with the predictions of the extensively used Stewart-Pyatt model, but are consistent with the earlier model of Ecker and Kröll, which predicts significantly greater depression of the ionization potential.
314
Short-wavelength free-electron laser sources and science: a review
E. A. Seddon,E. A. Seddon,E. A. Seddon,J. A. Clarke,J. A. Clarke,David Dunning,David Dunning,Claudio Masciovecchio,Christopher J. Milne,Fulvio Parmigiani,Fulvio Parmigiani,D Rugg,John C. H. Spence,N.R. Thompson,N.R. Thompson,Kiyoshi Ueda,Sam Vinko,Justin Wark,Wilfried Wurth +18 more
TL;DR: This review is focused on free-electron lasers (FELs) in the hard to soft x-ray regime and provides newcomers to the area with insights into: the basic physics of FELs, the qualities of the radiation they produce, the challenges of transmitting that radiation to end users and the diversity of current scientific applications.
Measurements of continuum lowering in solid-density plasmas created from elements and compounds
O. Ciricosta,Sam Vinko,B. Barbrel,D. S. Rackstraw,T. R. Preston,Tomáš Burian,Jaromír Chalupský,B. I. Cho,Hyun-Kyung Chung,Georgi L. Dakovski,K. Engelhorn,Věra Hájková,Philip Heimann,Michael Holmes,Libor Juha,Jacek Krzywinski,Richard W. Lee,Sven Toleikis,Joshua J. Turner,Ulf Zastrau,Ulf Zastrau,Justin Wark +21 more
TL;DR: The standard density-dependent analytical models are shown to be inadequate to describe solid-density plasmas at the temperatures studied, where the reduction of the binding energies for a given species is unaffected by the different plasma environment in either the element or compounds of that species.
Observation of Ultrafast Nonequilibrium Collective Dynamics in Warm Dense Hydrogen
R. R. Fäustlin,T. Bornath,Tilo Döppner,S. Düsterer,Eckhart Förster,Carsten Fortmann,Siegfried Glenzer,Sebastian Göde,Gianluca Gregori,R. Irsig,Tim Laarmann,H. J. Lee,B. Li,Karl-Heinz Meiwes-Broer,J. Mithen,Bob Nagler,Andreas Przystawik,Harald Redlin,Ronald Redmer,Heidi Reinholz,Gerd Röpke,Franz Tavella,R. Thiele,J. Tiggesbäumker,Sven Toleikis,Ingo Uschmann,Sam Vinko,T. Whitcher,Ulf Zastrau,Beata Ziaja,Th. Tschentscher +30 more
TL;DR: The experimental data strongly support a nonequilibrium kinetics model that uses impact ionization cross sections based on classical free-electron collisions in dense plasmas, and this work investigates ultrafast electron dynamics in a liquid hydrogen sample.