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D. Gibson

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Last Name: Gibson

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2 papers

title: Production of High Harmonic X-ray Radiation from Non-linear Thomson Scattering at LLNL PLEIADES

format: conference procceeding

conference: 2005 Particle Accelerator Conference

year: 2005

11 authors: J. Lim | A. Doyuran | P. Frigola | G. Travish | J. B. Rosenzweig | S. Anderson | S. Betts | J. Crane | D. Gibson | F. Hartemann | A. Tremaine

abstract: We describe an experiment for production of high harmonic x-ray radiation from Thomson backscattering of an ultra-short high power density laser by a relativistic electron beam at the PLEIADES facility at LLNL. In this scenario, electrons execute a ``figure-8'' motion under the influence of the high-intensity laser field, where the constant characterizing the field strength is expected to exceed unity: $a_{L}=eE_{L}/m_{e}c\omega_{L}\geq1$. With large $a_{L}$ this motion produces high harmonic x-ray radiation and significant broadening of the spectral peaks. This paper is intended to give a layout of the PLEIADES experiment, along with progress towards experimental goals.

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title: Ultrafast materials probing with the LLNL Thomson X-ray source

format: conference procceeding

conference: 2002 Linear Accelerator Conference

year: 2002

24 authors: A. Tremaine | S. Anderson | W. Brown | C. Barty | R. Cauble | J. Crane | H. Cynn | C. Ebbers | D. Fittinghoff | D. Gibson | F. Hartemann | I. Jovanovich | J. Kuba | G. P. Le Sage | A. McMahan | R. Minich | J. Moriarty | B. Remington | D. Slaughter | P. Springer | F. H. Steitz | C. S. Yoo | J. B. Rosenzweig | T. Ditmire

abstract: The use of short laser pulses to generate very high brightness, ultra short (fs to ps) x-ray pulses is a topic of great interest. In principle, femtosecond-scale pump-probe experiments can be used to temporally resolve structural dynamics of materials on the time scale of atomic motion. The development of sub?ps x-ray pulses will make possible a wide range of materials and plasma physics studies with unprecedented time resolution. PLEIADES (Picosecond Laser Electron Interaction for Dynamic Evaluation of Structures), the Thomson scattering project at LLNL, will provide such a novel x-ray source of high power using short laser pulses and a high brightness, relativistic electron bunch. The system is based on a 5 mm-mrad normalized emittance photoinjector, 100 MeV electron RF linac, and a 300 mJ, 35 fs solid-state laser system. PLEIADES will produce ultra fast pulses with x-ray energies (60 keV) capable of probing into high-Z metals.

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title:	Production of High Harmonic X-ray Radiation from Non-linear Thomson Scattering at LLNL PLEIADES
format:	conference procceeding
conference:	2005 Particle Accelerator Conference
year:	2005
11 authors:	J. Lim \| A. Doyuran \| P. Frigola \| G. Travish \| J. B. Rosenzweig \| S. Anderson \| S. Betts \| J. Crane \| D. Gibson \| F. Hartemann \| A. Tremaine
abstract:	We describe an experiment for production of high harmonic x-ray radiation from Thomson backscattering of an ultra-short high power density laser by a relativistic electron beam at the PLEIADES facility at LLNL. In this scenario, electrons execute a ``figure-8'' motion under the influence of the high-intensity laser field, where the constant characterizing the field strength is expected to exceed unity: $a_{L}=eE_{L}/m_{e}c\omega_{L}\geq1$. With large $a_{L}$ this motion produces high harmonic x-ray radiation and significant broadening of the spectral peaks. This paper is intended to give a layout of the PLEIADES experiment, along with progress towards experimental goals.
keywords:
Download \| View \| Details \| edit \| delete

title:	Ultrafast materials probing with the LLNL Thomson X-ray source
format:	conference procceeding
conference:	2002 Linear Accelerator Conference
year:	2002
24 authors:	A. Tremaine \| S. Anderson \| W. Brown \| C. Barty \| R. Cauble \| J. Crane \| H. Cynn \| C. Ebbers \| D. Fittinghoff \| D. Gibson \| F. Hartemann \| I. Jovanovich \| J. Kuba \| G. P. Le Sage \| A. McMahan \| R. Minich \| J. Moriarty \| B. Remington \| D. Slaughter \| P. Springer \| F. H. Steitz \| C. S. Yoo \| J. B. Rosenzweig \| T. Ditmire
abstract:	The use of short laser pulses to generate very high brightness, ultra short (fs to ps) x-ray pulses is a topic of great interest. In principle, femtosecond-scale pump-probe experiments can be used to temporally resolve structural dynamics of materials on the time scale of atomic motion. The development of sub?ps x-ray pulses will make possible a wide range of materials and plasma physics studies with unprecedented time resolution. PLEIADES (Picosecond Laser Electron Interaction for Dynamic Evaluation of Structures), the Thomson scattering project at LLNL, will provide such a novel x-ray source of high power using short laser pulses and a high brightness, relativistic electron bunch. The system is based on a 5 mm-mrad normalized emittance photoinjector, 100 MeV electron RF linac, and a 300 mJ, 35 fs solid-state laser system. PLEIADES will produce ultra fast pulses with x-ray energies (60 keV) capable of probing into high-Z metals.
keywords:
Download \| View \| Details \| edit \| delete

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