Short-pulse, high-brightness X-ray production with the PLEIADES Thomson-scattering source

PLEIADES is a compact, tunable, high-brightness, ultra-short-pulse, Thomson-scattering X-ray source. Picosecond pulses of hard X-rays (10--200 keV) are created by colliding an ultra-relativistic (20--100 MeV), picosecond-duration electron beam with a high-intensity, sub-picosecond, 800-nm laser puls...

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Veröffentlicht in:	Applied physics. B, Lasers and optics Lasers and optics, 2004-05, Vol.78 (7-8), p.891-894
Hauptverfasser:	ANDERSON, S. G, BARTY, C. P. J, LESAGE, G. P, ROSENZWEIG, J. B, SLAUGHTER, D. R, SPRINGER, P. T, TREMAINE, A. M, BETTS, S. M, BROWN, W. J, CRANE, J. K, CROSS, R. R, FITTINGHOFF, D. N, GIBSON, D. J, HARTEMANN, F. V, KUBA, J
Format:	Artikel
Sprache:	eng
Schlagworte:	Atomic and molecular collision processes and interactions Atomic and molecular physics Electron beams Electron scattering Energy distribution Exact sciences and technology Instruments, apparatus, components and techniques common to several branches of physics and astronomy Laser-modified scattering Laser-plasma interactions Lasers Optimization Photons Physics Physics of gases, plasmas and electric discharges Physics of plasmas and electric discharges Picosecond pulses X- and γ-ray instruments and techniques X- and γ-ray sources, mirrors, gratings and detectors X-ray sources X-rays
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Beschreibung
Zusammenfassung:	PLEIADES is a compact, tunable, high-brightness, ultra-short-pulse, Thomson-scattering X-ray source. Picosecond pulses of hard X-rays (10--200 keV) are created by colliding an ultra-relativistic (20--100 MeV), picosecond-duration electron beam with a high-intensity, sub-picosecond, 800-nm laser pulse. Initial operation of this source has produced 78-keV X-rays with 10 photons per pulse using a 57-MeV, 0.3-nC, 50-{/content/CW7XV0QYE94GGNMR/xxlarge956.gif}m rms width electron beam and a 180-mJ, 15-{/content/CW7XV0QYE94GGNMR/xxlarge956.gif}m rms width laser pulse. The angular distribution, energy, and energy spectrum of the source are found to agree well with theory and simulations. Source optimization is expected to increase X-ray output to between 10 and 10 photons per pulse with a peak brightness approaching 10 photons/s/0.1% bandwidth/mm/mrad.
ISSN:	0946-2171 1432-0649
DOI:	10.1007/s00340-004-1455-0