H
Howard A. Padmore
Researcher at Lawrence Berkeley National Laboratory
Publications - 310
Citations - 10217
Howard A. Padmore is an academic researcher from Lawrence Berkeley National Laboratory. The author has contributed to research in topics: Beamline & Diffraction grating. The author has an hindex of 47, co-authored 304 publications receiving 9458 citations. Previous affiliations of Howard A. Padmore include Lawrence Livermore National Laboratory.
Papers
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Proceedings ArticleDOI
Compressive Phase Contrast Tomography
Filipe R. N. C. Maia,Alastair A. MacDowell,Stefano Marchesini,Howard A. Padmore,Dula Parkinson,Jack Pien,Andre Schirotzek,Chao Yang +7 more
TL;DR: In this article, basis pursuit solvers are applied to improve SNR, remove ring artifacts, reduce the number of views and radiation dose from phase contrast datasets collected at the Hard X-Ray Micro Tomography Beamline at the Advanced Light Source.
Proceedings ArticleDOI
A dedicated synchrotron light source for ultrafast X-ray science
J.N. Corlett,S. DeSantis,N. Hartmann,Philip Heimann,R. Lafever,Derun Li,Howard A. Padmore,R.A. Rimmer,K. Robinson,Robert W. Schoenlein,J. Tanabe,S.T. Wang,Alexander Zholents,D. Kairan +13 more
TL;DR: A femtosecond synchrotron radiation X-ray source based on a flat-beam RF gun and a recirculating superconducting linac that provides beam to an array of undulators and bend magnets is described in this article.
Journal Article
X-ray photoemission electron microscopy, a tool for the investigation of complex magnetic structures.
TL;DR: In this article, the authors present examples which demonstrate the power of this technique applied to problems in the field of thin film magnetism, and demonstrate that it allows separating the signal of the different layers and interfaces in complex multi-layered structures.
Journal ArticleDOI
Metrology for the advancement of x-ray optics at the ALS
Kenneth A. Goldberg,Valeriy V. Yashchuk,Nikolay A. Artemiev,Richard Celestre,Weilun Chao,Eric M. Gullikson,Ian Lacey,Wayne R. McKinney,Daniel J. Merthe,Howard A. Padmore +9 more
TL;DR: In this paper, the authors show that the most highly specified optical elements are wildly aberrated when just slightly misaligned, whether that misalignment comes from surface-figure or mirror-placement errors, imperfect bending, thermal drift, vibration, or other various anomalies.
Journal ArticleDOI
Design Studies for a High-Repetition-Rate FEL Facility at LBNL.
J.N. Corlett,Ali Belkacem,John M. Byrd,William M. Fawley,Janos Kirz,Steven Lidia,W. Mccurdy,Howard A. Padmore,Gregory Penn,I. Pogorelov,Ji Qiang,David Robin,F. Sannibale,Robert W. Schoenlein,John Staples,Christoph Steier,M. Venturini,Weishi Wan,R. Wilcox,Alexander Zholents +19 more
TL;DR: In this paper, a seeded, high-repetition-rate, free-electron laser (FEL) facility is proposed to address the needs of the primary scientific Grand Challenges now being considered by the U.S. Department of Energy.