Transverse confinement of electron beams in a 2D optical lattice for compact coherent x-ray sources

AbstractThe primary X-ray analyzer is used for nondestructive spectrochemical analysis of solid specimens. Accelerated electron beams bombard the specimen surface directly and generate primary X-rays which are measured in a vacuum spectrometer. The method of primary X-ray spectroscopy is superior to the fluorescence X-ray spectroscopy because (1) detectable sensitivity for such light elements as magnesium and aluminum is very high, and (2) the correction of the measured value for self-absorption of X-rays by the specimen itself is low. The performance of the instrument and applications are reported.

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SU-FF-T-212: Energy Response of a CR Plate Exposed to Megavoltage X-Ray and Electron Beams

Medical Physics ◽

10.1118/1.2241134 ◽

2006 ◽

Vol 33 (6Part10) ◽

pp. 2097-2097

Author(s):

H Li ◽

A Gonzalez ◽

H Ji ◽

D Duggan

Keyword(s):

Electron Beams ◽

Energy Response ◽

X Ray

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Ultrahigh brightness attosecond electron beams from intense X-ray laser driven plasma photocathode

International Journal of Modern Physics A ◽

10.1142/s0217751x19430127 ◽

2019 ◽

Vol 34 (34) ◽

pp. 1943012 ◽

Cited By ~ 1

Author(s):

Ronghao Hu ◽

Zheng Gong ◽

Jinqing Yu ◽

Yinren Shou ◽

Meng Lv ◽

...

Keyword(s):

Electron Beams ◽

Laser Pulses ◽

Laser Wakefield Acceleration ◽

X Ray ◽

Electron Sources ◽

Research Areas ◽

Wakefield Acceleration ◽

Laser Wakefield ◽

Liquid Methane ◽

Present Simulation

The emerging intense attosecond X-ray lasers can extend the Laser Wakefield Acceleration mechanism to higher plasma densities in which the acceleration gradients are greatly enhanced. Here we present simulation results of high quality electron acceleration driven by intense attosecond X-ray laser pulses in liquid methane. Ultrahigh brightness electron beams can be generated with 5-dimensional beam brightness over [Formula: see text]. The pulse duration of the electron bunch can be shorter than 20 as. Such unique electron sources can benefit research areas requiring crucial spatial and temporal resolutions.

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X-ray Spectral Synthesis in Hydrodynamic Flare Models

International Astronomical Union Colloquium ◽

10.1017/s0252921100012227 ◽

1990 ◽

Vol 115 ◽

pp. 126-131

Author(s):

S. Serio ◽

E. Antonucci ◽

M.A. Dodero ◽

G. Peres ◽

F. Reale

Keyword(s):

Solar Flares ◽

Energy Deposition ◽

Electron Beams ◽

Spectral Synthesis ◽

Theoretical Models ◽

Hydrodynamic Models ◽

X Ray ◽

Relativistic Electron Beams ◽

Stellar Flares ◽

Magnetically Confined

AbstractCompact solar flares are triggered by sudden energy release in magnetically confined plasma. This class of flares is well suited to be studied with numerical hydrodynamic models. In particular, one can compare the evolution of observed and synthetic X-ray spectra, computed under various assumptions for the mechanism of impulsive energy deposition, to constrain theoretical models and their parameter space. We discuss recent results on solar flares along this line, non thermal to models of energy depositions by relativistic electron beams. We shall also discuss possible applications of X-ray spectral synthesis to stellar flares.

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Ultralow-Energy Excitations and Prospects for Spatially Resolved Spectroscopy

Microscopy and Microanalysis ◽

10.1017/s1431927604040280 ◽

2004 ◽

Vol 10 (1) ◽

pp. 28-33 ◽

Cited By ~ 3

Author(s):

A. Howie

Keyword(s):

Electric Fields ◽

Electron Beams ◽

Condensed Matter ◽

Intermediate Energy ◽

X Ray ◽

Ultralow Energy ◽

Spatially Resolved ◽

Direct Excitation ◽

Spatially Resolved Spectroscopy ◽

Electron Energy Loss

The key contribution of electron microscopy methods to condensed matter spectroscopy is undoubtedly spatial resolution. So far this has mainly been manifest through electron energy loss spectroscopy in the 1-eV to 10-keV energy range and has not seriously challenged the dominance of optical, X-ray, and neutron spectroscopy methods over most of the vast field at lower energies. At frequencies up to a few megahertz, corresponding to energies of a few nanoelectron volts and below, direct excitation by pulsed electron beams or electric fields has proved effective. Prospects are discussed for extending spatially resolved spectroscopy to the intermediate energy region, mainly by combining the advantages of electrons with those of photons.

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