Search Results - (Author, Cooperation:R. W. Falcone)
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1J. E. Katz ; X. Zhang ; K. Attenkofer ; K. W. Chapman ; C. Frandsen ; P. Zarzycki ; K. M. Rosso ; R. W. Falcone ; G. A. Waychunas ; B. Gilbert
American Association for the Advancement of Science (AAAS)
Published 2012Staff ViewPublication Date: 2012-09-08Publisher: American Association for the Advancement of Science (AAAS)Print ISSN: 0036-8075Electronic ISSN: 1095-9203Topics: BiologyChemistry and PharmacologyComputer ScienceMedicineNatural Sciences in GeneralPhysicsPublished by: -
2N. J. Hartley, J. Vorberger, T. Döppner, T. Cowan, R. W. Falcone, L. B. Fletcher, S. Frydrych, E. Galtier, E. J. Gamboa, D. O. Gericke, S. H. Glenzer, E. Granados, M. J. Mac; Donald, A. J. Mac; Kinnon, E. E. McBride, I. Nam, P. Neumayer, A. Pak, K. Rohatsch, A. M. Saunders, A. K. Schuster, P. Sun, T. van Driel, and D. Kraus
American Physical Society (APS)
Published 2018Staff ViewPublication Date: 2018-12-15Publisher: American Physical Society (APS)Print ISSN: 0031-9007Electronic ISSN: 1079-7114Topics: PhysicsKeywords: Condensed Matter: Structure, etc.Published by: -
3S. M. Vinko ; O. Ciricosta ; B. I. Cho ; K. Engelhorn ; H. K. Chung ; C. R. Brown ; T. Burian ; J. Chalupsky ; R. W. Falcone ; C. Graves ; V. Hajkova ; A. Higginbotham ; L. Juha ; J. Krzywinski ; H. J. Lee ; M. Messerschmidt ; C. D. Murphy ; Y. Ping ; A. Scherz ; W. Schlotter ; S. Toleikis ; J. J. Turner ; L. Vysin ; T. Wang ; B. Wu ; U. Zastrau ; D. Zhu ; R. W. Lee ; P. A. Heimann ; B. Nagler ; J. S. Wark
Nature Publishing Group (NPG)
Published 2012Staff ViewPublication Date: 2012-01-27Publisher: Nature Publishing Group (NPG)Print ISSN: 0028-0836Electronic ISSN: 1476-4687Topics: BiologyChemistry and PharmacologyMedicineNatural Sciences in GeneralPhysicsPublished by: -
4Eder, D. C. ; Amendt, P. ; DaSilva, L. B. ; London, R. A. ; MacGowan, B. J. ; Matthews, D. L. ; Penetrante, B. M. ; Rosen, M. D. ; Wilks, S. C. ; Donnelly, T. D. ; Falcone, R. W. ; Strobel, G. L.
[S.l.] : American Institute of Physics (AIP)
Published 1994Staff ViewISSN: 1089-7674Source: AIP Digital ArchiveTopics: PhysicsNotes: Details of schemes for two tabletop size x-ray lasers that require a high-intensity short-pulse driving laser are discussed. The first is based on rapid recombination following optical-field ionization. Analytical and numerical calculations of the output properties are presented. Propagation in the confocal geometry is discussed and a solution for x-ray lasing in Li-like N at 247 A(ring) is described. Since the calculated gain coefficient depends strongly on the electron temperature, the methods of calculating electron heating following field ionization are discussed. Recent experiments aimed at demonstrating lasing in H-like Li at 135 A(ring) are discussed along with modeling results. The second x-ray laser scheme is based on the population inversion obtained during inner-shell photoionization by hard x rays. This approach has significantly higher-energy requirements, but lasing occurs at very short wavelengths (λ≤15 A(ring)). Experiments that are possible with existing lasers are discussed.Type of Medium: Electronic ResourceURL: -
5Wülker, C. ; Theobald, W. ; Gnass, D. R. ; Schäfer, F. P. ; Bakos, J. S. ; Sauerbrey, R. ; Gordon, S. P. ; Falcone, R. W.
Woodbury, NY : American Institute of Physics (AIP)
Published 1996Staff ViewISSN: 1077-3118Source: AIP Digital ArchiveTopics: PhysicsNotes: The interaction of subpicosecond KrF-laser pulses with polished and colloidal metal surfaces at an intensity of 8×1015 W/cm2 was investigated experimentally. The measurements with spectral and temporal resolution for the colloidal targets showed a higher energy conversion efficiency into soft x rays and an increase in x-ray pulse lengths. © 1996 American Institute of Physics.Type of Medium: Electronic ResourceURL: -
6Murnane, M. M. ; Kapteyn, H. C. ; Falcone, R. W.
Woodbury, NY : American Institute of Physics (AIP)
Published 1990Staff ViewISSN: 1077-3118Source: AIP Digital ArchiveTopics: PhysicsNotes: We have developed an x-ray streak camera system with a temporal response of 2 ps (full width at half maximum). The response of the camera was measured using soft x rays in the 30 eV to 1 keV energy range which were emitted from a plasma created by a high-intensity, subpicosecond laser pulse. A single shot, resolution-limited, relative timing precision of 0.2 ps was demonstrated for x-ray emission events.Type of Medium: Electronic ResourceURL: -
7Zigler, A. ; Underwood, J. H. ; Zhu, J. ; Falcone, R. W.
Woodbury, NY : American Institute of Physics (AIP)
Published 1987Staff ViewISSN: 1077-3118Source: AIP Digital ArchiveTopics: PhysicsNotes: The spacing of layers in a sputtered, multilayer structure was rapidly and permanently increased by heating with a nanosecond laser pulse. During laser heating, the Bragg angle decreased and the peak reflectivity increased for diffraction of soft x-ray radiation at 4.4 nm. Measurements were made using a time and space resolving x-ray streak camera detector.Type of Medium: Electronic ResourceURL: -
8Murnane, M. M. ; Kapteyn, H. C. ; Gordon, S. P. ; Bokor, J. ; Glytsis, E. N. ; Falcone, R. W.
Woodbury, NY : American Institute of Physics (AIP)
Published 1993Staff ViewISSN: 1077-3118Source: AIP Digital ArchiveTopics: PhysicsNotes: We demonstrate a new technique for enhancing the absorption of high-intensity, ultrashort-duration laser pulses by solids. Targets consisting of gold gratings and gold clusters were found to absorb greater than 90% of the incident high-intensity laser light. This is in contrast to less than 10% absorption by flat surfaces. As a result of this strong coupling of the laser to a high-density plasma, conversion efficiency of laser energy to x rays of greater than 1% was observed for x rays above 1 keV. Efficiency of nearly 25% was observed for emissions greater than 30 eV. These conversion efficiencies are more than an order of magnitude greater than those measured from flat targets.Type of Medium: Electronic ResourceURL: -
9Staff View
ISSN: 1432-0649Keywords: 52.25.Nr ; 34.80.Kw ; 52.40.Nk ; 52.50JmSource: Springer Online Journal Archives 1860-2000Topics: PhysicsNotes: Abstract In this paper, we discuss recent advances in ultrashort-pulse X-ray technology. Femtosecond laser-plasma based X-ray sources can now generate sub-pico-second soft X-ray pulses, with photon energies from ≈ 10 eV to ≈ 106 eV, and with a high conversion efficiency of incident laser light to broadband X-rays. Recent advances in high-speed X-ray detectors and soft X-ray optics make it practical to use such sources as experimental tools for time-resolved X-ray science. Other possible generation techniques, such as laser-electron-beam scattering, promise to further expand the experimental capabilities in this area.Type of Medium: Electronic ResourceURL: