Dr. James Dunn Profile

Dr. James Dunn

Physicist at Lawrence Livermore National Lab

SPIE Involvement:

Author

Publications (37)

Proceedings Article | 5 October 2011 Paper

Paper

Spectroscopic studies of hard x-ray free-electron laser-heated foils at 1016 Wcm-2 irradiances

J. Dunn, R. Shepherd, A. Graf, A. Steel, J. Park, S. Moon, R. Lee, P. Audebert, A. Levy, M. Gauthier, J. Fuchs, D. Fritz, M. Cammarata, D. Milathianaki, H. J. Lee, B. Nagler, C. Fourment, F. Deneuville, G. Williams, M. Fajardo, J. Gaudin, S. Vinko, O. Ciricosta, J. Wark, H. Chung

Proceedings Volume 8140, 81400O (2011) https://doi.org/10.1117/12.895264

KEYWORDS: X-rays, Free electron lasers, Silver, Crystals, Hard x-rays, Spectrometers, Copper, Diagnostics, Picosecond phenomena, Spectroscopy

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Proceedings Article | 29 July 2010 Paper

Paper

A brief overview of the Fusion and Astrophysics Data and Diagnostic Calibration Facility

G. Brown, P. Beiersdorfer, J. Clementson, J. Dunn, R. Kelley, C. Kilbourne, M. Leutenegger, E. Magee, J. Park, F. S. Porter, M. Schneider, E. Träbert

Proceedings Volume 7732, 77324Q (2010) https://doi.org/10.1117/12.857555

KEYWORDS: Calibration, Spectroscopy, Diagnostics, Optical filters, Ions, Data fusion, Electron beams, Astrophysics, Quantum efficiency, X-rays

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Proceedings Article | 29 September 2009 Paper

Paper

Elucidating the collimation of laboratory plasma jets using soft x-ray interferometry

M. Purvis, J. Grava, J. Filevich, D. Ryan, S. Moon, J. Dunn, V. Shlyaptsev, J. Rocca

Proceedings Volume 7451, 74510L (2009) https://doi.org/10.1117/12.826283

KEYWORDS: Plasma, Collimation, X-rays, Aluminum, Copper, Interferometry, Picosecond phenomena, Pulsed laser operation, X-ray lasers, Laser irradiation

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Proceedings Article | 15 October 2007 Paper

Paper

Plasma interactions in laser irradiated semi-cylindrical cavities studied with soft x-ray interferometry using a capillary discharge laser

M. Purvis, J. Grava, J. Filevich, M. Marconi, J. Rocca, James Dunn, Stephen Moon, Joseph Nilsen, Vyacheslav Shlyaptsev, Elizabeth Jankowska

Proceedings Volume 6702, 670204 (2007) https://doi.org/10.1117/12.734876

KEYWORDS: Plasma, Picosecond phenomena, Particles, Interferometry, Carbon, X-ray lasers, Laser beam diagnostics, Ionization, Laser irradiation, Capillaries

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Proceedings Article | 12 October 2007 Paper

Paper

Development of soft x-ray lasers at PALS and their applications in dense plasma physics

B. Rus, T. Mocek, M. Kozlová, J. Polan, P. Homer, K. Jakubczak, M. Stupka, G. Tallents, M. Edwards, N. Booth, Z. Zhai, J. Dunn, A. Nelson, M. Fajardo, P. Zeitoun, M. Foord, R. Shepherd, W. Rozmus, H. Baldis, J. Sobota

Proceedings Volume 6702, 67020G (2007) https://doi.org/10.1117/12.734652

KEYWORDS: X-ray lasers, Plasma, Zinc, X-rays, Infrared lasers, Thomson scattering, Laser ablation, Aluminum, Mirrors, Solids

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Proceedings Article | 12 October 2007 Paper

Paper

21-nm x-ray laser Thomson scattering of laser-heated exploding foil plasmas

J. Dunn, B. Rus, T. Mocek, A. Nelson, M. Foord, W. Rozmus, H. Baldis, R. Shepherd, M. Kozlová, J. Polan, P. Homer, M. Stupka

Proceedings Volume 6702, 67020O (2007) https://doi.org/10.1117/12.734718

KEYWORDS: Plasmas, X-ray lasers, Thomson scattering, Laser scattering, Scattering, Spectroscopy, Pulsed laser operation, Aluminum, X-rays, Explosives

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Proceedings Article | 15 September 2005 Paper

Paper

Advancements in time-resolved x-ray laser induced time-of-flight photoelectron spectroscopy

A. Nelson, J. Dunn, K. Widmann, T. Ao, Y. Ping, J. Hunter, A. Ng

Proceedings Volume 5919, 59190J (2005) https://doi.org/10.1117/12.615542

KEYWORDS: X-ray lasers, Copper, Photoemission spectroscopy, Picosecond phenomena, Germanium, Electrons, X-rays, Metals, Signal detection, Microchannel plates

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Proceedings Article | 14 September 2005 Paper

Paper

Soft x-ray laser interferometry unveils plasmas with index of refraction greater than one

J. Filevich, J. Grava, M. Purvis, J. Rocca, M. Marconi, S. Moon, J. Nilsen, J. Scofield, J. Dunn, R. Smith, R. Keenan, J. Hunter, V. Shlyaptsev

Proceedings Volume 5919, 59190O (2005) https://doi.org/10.1117/12.617229

KEYWORDS: Plasmas, Refraction, Aluminum, Interferometry, X-ray lasers, Tin, Ions, Silver, X-rays, Copper

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Proceedings Article | 14 September 2005 Paper

Paper

Grazing incidence pumping for high efficiency x-ray lasers

J. Dunn, R. Keenan, V. Shlyaptsev

Proceedings Volume 5919, 591905 (2005) https://doi.org/10.1117/12.615590

KEYWORDS: X-ray lasers, Plasma, Grazing incidence, Picosecond phenomena, Molybdenum, Absorption, Palladium, Pulsed laser operation, Laser energy, Refraction

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Proceedings Article | 14 September 2005 Paper

Paper

Soft x-ray laser interferometry of colliding plasmas

J. Grava, M. Purvis, J. Filevich, M. Marconi, J. Rocca, J. Dunn, S. Moon, R. Smith, J. Nilsen, V. Shlyaptsev

Proceedings Volume 5919, 59190I (2005) https://doi.org/10.1117/12.617052

KEYWORDS: Plasmas, X-ray lasers, Interferometers, Interferometry, Copper, Capillaries, Diffraction gratings, Beam splitters, Laser beam diagnostics, Mirrors

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Proceedings Article | 28 January 2004 Paper

Paper

Subpicosecond streak camera measurements at LLNL: from IR to x-rays

Jaroslav Kuba, Ronnie Shepherd, Rex Booth, Richard Stewart, Edward Lee, Patrick Audebert, John Crane, Robert Cross, James Dunn, Paul Springer

Proceedings Volume 5194, (2004) https://doi.org/10.1117/12.509702

KEYWORDS: Streak cameras, X-ray lasers, Picosecond phenomena, Temporal resolution, X-rays, Spectroscopy, Pulsed laser operation, Plasmas, Infrared cameras, Electrodes

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Proceedings Article | 19 December 2003 Paper

Paper

Improved energy coupling into the gain region of the Ni-like Pd transient collisional x-ray laser

Raymond Smith, James Dunn, Jorge Filevich, Stephen Moon, Joeseph Nilsen, Roisin Keenan, Vyacheslev Shlyaptsev, Jorge Rocca, James Hunter, Ronnie Shepherd, Rex Booth, Mario Marconi

Proceedings Volume 5197, (2003) https://doi.org/10.1117/12.504837

KEYWORDS: X-ray lasers, Plasma, Picosecond phenomena, Near field, Palladium, Refraction, Pulsed laser operation, Interferometry, X-rays, Mirrors

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Proceedings Article | 19 December 2003 Paper

Paper

New techniques for the measurement of x-ray beam or x-ray optics quality

Philippe Zeitoun, Philippe Balcou, Samuel Bucourt, Djamel Benredjem, Franck Delmotte, Guillaume Dovillaire, Denis Douillet, James Dunn, G. Faivre, Marta Fajardo, Kenneth Goldberg, Mourad Idir, Sebastien Hubert, Jim Hunter, Sylvie Jacquemot, Sophie Kazamias, Sebastien le Pape, Xavier Levecq, Ciaran Lewis, Remy Marmoret, Pascal Mercere, A. Morlens, Patrick Naulleau, Christian Remond, Jorge Rocca, Stephane Sebban, Raymond Smith, Marie-Francoise Ravet, Philippe Troussel, Constance Valentin, Laurent Vanbostal

Proceedings Volume 5197, (2003) https://doi.org/10.1117/12.508183

KEYWORDS: Wavefronts, X-ray lasers, Wavefront sensors, Extreme ultraviolet, Plasma, Mirrors, Interferometers, Picosecond phenomena, Michelson interferometers, X-ray optics

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Proceedings Article | 19 December 2003 Paper

Paper

X-ray laser-induced time-of-flight photoelectron spectroscopy

Art Nelson, James Dunn, Tony van Buuren, Jim Hunter, Ray Smith, Oliver Hemmers, Dennis Lindle

Proceedings Volume 5197, (2003) https://doi.org/10.1117/12.506162

KEYWORDS: X-ray lasers, Electrons, Photoemission spectroscopy, Picosecond phenomena, Tantalum, Comets, X-rays, Ultrafast phenomena, Oxides, Laser optics

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Proceedings Article | 19 December 2003 Paper

Paper

Temporal characterization of a picosecond-laser-pumped x-ray laser for applications

James Dunn, Raymond Smith, Ronnie Shepherd, Rex Booth, Joseph Nilsen, James Hunter, Vyacheslav Shlyaptsev

Proceedings Volume 5197, (2003) https://doi.org/10.1117/12.504904

KEYWORDS: X-ray lasers, Picosecond phenomena, Streak cameras, X-rays, Pulsed laser operation, Palladium, Mirrors, Near field optics, Near field, Optical pumping

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Proceedings Article | 19 December 2003 Paper

Paper

Numerical studies of transient and capillary x-ray lasers and their applications

V. Shlyaptsev, James Dunn, S. Moon, R. Smith, Roisin Keenan, Joseph Nilsen, Kevin Fournier, Jaroslav Kuba, A. Osterheld, J. Rocca, Bradley Luther, Yong Wang, Mario Marconi

Proceedings Volume 5197, (2003) https://doi.org/10.1117/12.508737

KEYWORDS: X-ray lasers, Capillaries, Plasmas, Refraction, Absorption, Pulsed laser operation, Mirrors, Interferometry, Picosecond phenomena, Grazing incidence

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Proceedings Article | 19 December 2003 Paper

Paper

Coherence measurements of a transient 14.7-nm x-ray laser

James Dunn, Raymond Smith, Sebastian Hubert, Marta Fajardo, Philippe Zeitoun, James Hunter, Christian Remond, Laurent Vanbostal, Sylvie Jacquemot, Joseph Nilsen, Ciaran Lewis, Remy Marmoret, Vyacheslav Shlyaptsev, Marie-Francoise Ravet, Franck Delmotte

Proceedings Volume 5197, (2003) https://doi.org/10.1117/12.504929

KEYWORDS: X-ray lasers, Picosecond phenomena, Visibility, Interferometers, Ions, Palladium, Plasma, Beam splitters, Michelson interferometers, Mirrors

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Proceedings Article | 19 December 2003 Paper

Paper

Modeling current and proposed COMET x-ray laser experiments

Joseph Nilsen, James Dunn, Raymond Smith

Proceedings Volume 5197, (2003) https://doi.org/10.1117/12.503591

KEYWORDS: Picosecond phenomena, Palladium, Plasma, X-ray lasers, Pulsed laser operation, Mirrors, Near field, Comets, CCD cameras, Optical filters

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Proceedings Article | 19 December 2003 Paper

Paper

Interferometric studies of laser-created plasmas using compact soft x-ray lasers

Jorge Filevich, Jorge Rocca, Eric Hammarsten, Elzbieta Jankowska, Mario Marconi, Raymond Smith, Roisin Keenan, James Dunn, Stephen Moon, Vyacheslav Shlyaptsev, Joseph Nilsen, James Hunter

Proceedings Volume 5197, (2003) https://doi.org/10.1117/12.507232

KEYWORDS: Plasmas, X-ray lasers, Picosecond phenomena, Interferometers, Diffraction gratings, Interferometry, Capillaries, Laser interferometry, Pulsed laser operation, Palladium

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Proceedings Article | 19 December 2003 Paper

Paper

Efficient pumping schemes for high average brightness collisional x-ray lasers

Roisin Keenan, James Dunn, Vyacheslav Shlyaptsev, Raymond Smith, Pravesh Patel, Dwight Price

Proceedings Volume 5197, (2003) https://doi.org/10.1117/12.504918

KEYWORDS: X-ray lasers, Picosecond phenomena, Laser optics, Plasmas, X-ray optics, Grazing incidence, Molybdenum, Refraction, Pulsed laser operation, Laser energy

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Proceedings Article | 12 December 2001 Paper

Paper

Demonstration of a neon-like argon x-ray laser using a short-pulse laser-irradiated gas puff target

Henryk Fiedorowicz, Andrzej Bartnik, James Dunn, Jim Hunter, Joseph Nilsen, Albert Osterheld, Rafal Rakowski, Vyacheslav Shlyaptsev, Raymond Smith, Miroslaw Szczurek

Proceedings Volume 4505, (2001) https://doi.org/10.1117/12.450597

KEYWORDS: X-ray lasers, Picosecond phenomena, Plasmas, Argon ion lasers, Argon, Solids, Pulsed laser operation, 3D acquisition, Gas lasers, Ions

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Proceedings Article | 12 December 2001 Paper

Paper

Modeling of short-pulse-driven nickel-like x-ray lasers and recent experiments

Joseph Nilsen, James Dunn

Proceedings Volume 4505, (2001) https://doi.org/10.1117/12.450579

KEYWORDS: Plasma, Palladium, Pulsed laser operation, X-ray lasers, Silver, Laser optics, Comets, Picosecond phenomena, Mirrors, Near field

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Proceedings Article | 12 December 2001 Paper

Paper

Recent x-ray laser experiments on the COMET facility

James Dunn, Raymond Smith, Joseph Nilsen, Jim Hunter, Troy Barbee, Vyacheslav Shlyaptsev, Jorge Filevich Chamatropulos, Jorge Rocca, Mario Marconi, Henryk Fiedorowicz, Andrzej Bartnik

Proceedings Volume 4505, (2001) https://doi.org/10.1117/12.450575

KEYWORDS: X-ray lasers, Plasma, Picosecond phenomena, Mirrors, Palladium, X-rays, Comets, Pulsed laser operation, Interferometers, Diffraction gratings

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Proceedings Article | 12 December 2001 Paper

Paper

Transient and capillary collisional x-ray lasers

Vyacheslav Shlyaptsev, James Dunn, Kevin Fournier, Stephen Moon, Albert Osterheld, Jorge Rocca, F. Detering, Wojciech Rozmus, J. Matte, Henryk Fiedorowicz, Andrzej Bartnik, Michael Kanouff

Proceedings Volume 4505, (2001) https://doi.org/10.1117/12.450598

KEYWORDS: X-ray lasers, Plasma, Picosecond phenomena, Capillaries, Pulsed laser operation, Ionization, Ions, Photonic integrated circuits, Plasma diagnostics, Absorption

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Proceedings Article | 21 October 1999 Paper

Paper

Near-field imaging of a saturated tabletop x-ray laser

Yuelin Li, James Dunn, Joseph Nilsen, Troy Barbee, Luiz Da Silva, Albert Osterheld, Vyacheslav Shlyaptsev

Proceedings Volume 3776, (1999) https://doi.org/10.1117/12.366686

KEYWORDS: X-ray lasers, Near field, Plasmas, Mirrors, Charge-coupled devices, Pulsed laser operation, Molybdenum, Spectroscopy, Reflectivity, Electroluminescence

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Proceedings Article | 21 October 1999 Paper

Paper

Characterization of a high-gain Ne-like Fe transient x-ray laser

Stephen Moon, James Dunn, Anatoly Faenov, Tatiana Pikuz, Kevin Fournier, Albert Osterheld, Vyacheslav Shlyaptsev, Yuelin Li, Joseph Nilsen

Proceedings Volume 3776, (1999) https://doi.org/10.1117/12.366665

KEYWORDS: X-ray lasers, Plasma, Iron, Picosecond phenomena, Spectroscopy, Ionization, Comets, X-rays, Pulsed laser operation, Ions

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Proceedings Article | 21 October 1999 Paper

Paper

Modeling short-pulse-driven collisional x-ray lasers and other new schemes

Joseph Nielsen, Yuelin Li, James Dunn, Albert Osterheld

Proceedings Volume 3776, (1999) https://doi.org/10.1117/12.366682

KEYWORDS: Plasma, Pulsed laser operation, Picosecond phenomena, Molybdenum, X-ray lasers, Ions, Comets, Lasers, Refraction, 3D acquisition

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Proceedings Article | 21 October 1999 Paper

Paper

Tabletop transient collisional excitation x-ray lasers

James Dunn, Yuelin Li, Albert Osterheld, Joseph Nilsen, Stephen Moon, Kevin Fournier, Jim Hunter, Anatoly Faenov, Tatiana Pikuz, Vyacheslav Shlyaptsev

Proceedings Volume 3776, (1999) https://doi.org/10.1117/12.366654

KEYWORDS: X-ray lasers, Picosecond phenomena, Palladium, Comets, Spectroscopy, Pulsed laser operation, Plasma, Molybdenum, Ions, X-rays

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Proceedings Article | 1 April 1998 Paper

Paper

Absolute calibration of charge-coupled devices to hard 8- to 98-keV x rays

James Dunn, Alan Conder, Richard Stewart

Proceedings Volume 3301, (1998) https://doi.org/10.1117/12.304551

KEYWORDS: Charge-coupled devices, X-rays, Absorption, Sensors, Calibration, Scattering, Quantum efficiency, CCD image sensors, Electrons, X-ray detectors

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Proceedings Article | 1 November 1997 Paper

Paper

Modeling of table-top transient and capillary inversion x-ray lasers

Vyacheslav Shlyaptsev, Jorge Rocca, Mikhail Kalachnikov, Peter Nickles, Wolfgang Sandner, Albert Osterheld, James Dunn, David Eder

Proceedings Volume 3156, (1997) https://doi.org/10.1117/12.293379

KEYWORDS: Plasma, X-ray lasers, Capillaries, Titanium, Picosecond phenomena, Ions, Refraction, X-rays, Ionization, Pulsed laser operation

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Proceedings Article | 1 November 1997 Paper

Paper

Table-top transient collisional excitation x-ray laser research at LLNL

James Dunn, Albert Osterheld, Ronnie Shepherd, William White, Vyacheslav Shlyaptsev, Anthony Bullock, Richard Stewart

Proceedings Volume 3156, (1997) https://doi.org/10.1117/12.293375

KEYWORDS: X-ray lasers, Picosecond phenomena, Titanium, Palladium, Pulsed laser operation, Plasma, Optical amplifiers, Ions, Analog electronics, Spectroscopy

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Proceedings Article | 25 March 1996 Paper

Paper

Detection of 1-100 keV x rays from high-intensity 500-fs laser-produced plasmas using charge-coupled devices

James Dunn, Bruce Young, Alan Conder, Richard Stewart

Proceedings Volume 2654, (1996) https://doi.org/10.1117/12.236091

KEYWORDS: X-rays, Charge-coupled devices, Cameras, CCD cameras, Hard x-rays, Sensors, CCD image sensors, Plasmas, X-ray detectors, Copper

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Proceedings Article | 18 September 1995 Paper

Paper

Spectroscopic investigations of hard x-ray emission from 120-ps laser-produced plasmas at intensities near 10(17) W cm(-2)

James Dunn, Bruce Young, Albert Osterheld, Mark Foord, Rosemary Walling, Richard Stewart, Anatoly Faenov

Proceedings Volume 2523, (1995) https://doi.org/10.1117/12.220986

KEYWORDS: X-rays, Picosecond phenomena, Plasmas, Titanium, Spectroscopy, Copper, Nickel, Silicon, CCD cameras, Crystals

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Proceedings Article | 12 July 1994 Paper

Paper

Characteristics of an ultrafast x-ray streak camera

Ronnie Shepherd, Rex Booth, Dwight Price, Mark Bowers, Don Swan, James Bonlie, Bruce Young, James Dunn, William White, Richard Stewart

Proceedings Volume 2278, (1994) https://doi.org/10.1117/12.180003

KEYWORDS: Electrons, X-rays, Streak cameras, Temporal resolution, Picosecond phenomena, Calibration, Ultrafast phenomena, X-ray detectors, Gold, Dispersion

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Proceedings Article | 5 February 1992 Paper

Paper

Observations of x-ray gain in a laser-produced germanium plasma

James Dunn, Hector Baldis, G. Enright, Bruno LaFontaine, David Villeneuve, Jean-Claude Kieffer, Henri Pepin, Marc Nantel, Mohamed Chaker

Proceedings Volume 1551, (1992) https://doi.org/10.1117/12.134810

KEYWORDS: Germanium, Plasma, X-rays, Spectrometers, Pulsed laser operation, Crystals, Extreme ultraviolet, X-ray lasers, Ionization, Laser crystals

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Proceedings Article | 5 February 1992 Paper

Paper

Diagnostics of x-ray laser plasmas (Invited Paper)

Hector Baldis, Bruno LaFontaine, James Dunn, G. Enright, David Villeneuve, Mordecai Rosen, Dennis Matthews

Proceedings Volume 1551, (1992) https://doi.org/10.1117/12.134813

KEYWORDS: Plasmas, Thomson scattering, X-rays, Ions, Diagnostics, X-ray lasers, Germanium, Pulsed laser operation, Scattering, Carbon

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Proceedings Article | 1 June 1991 Paper

Paper

Experiments with SPRITE 12 ps facility

Gregory Tallents, Michael Key, Peter Norreys, J. Jacoby, Ryosuke Kodama, N. Tragin, Hector Baldis, James Dunn, D. Brown

Proceedings Volume 1413, (1991) https://doi.org/10.1117/12.46137

KEYWORDS: X-rays, X-ray imaging, Pulsed laser operation, Laser energy, Plasma, Sodium, Raman spectroscopy, Absorption, Picosecond phenomena, X-ray lasers

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Showing 5 of 37 publications

Proceedings Volume Editor (3)

SPIE Conference Volume | 8 September 2011

X-ray Lasers and Coherent X-ray Sources: Development and Applications IX

SPIE Conference Volume | 20 August 2009

Soft X-Ray Lasers and Applications VIII

SPIE Conference Volume | 13 September 2007

Soft X-Ray Lasers and Applications VII

Conference Committee Involvement (4)

X-Ray Lasers and Coherent X-Ray Sources: Development and Applications X

27 August 2013 | San Diego, California, United States

X-Ray Lasers and Coherent X-Ray Sources: Development and Applications IX

23 August 2011 | San Diego, California, United States

Soft X-Ray Lasers and Applications VIII

4 August 2009 | San Diego, California, United States

Soft X-Ray Lasers and Applications VII

29 August 2007 | San Diego, California, United States

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