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Journal Article

Ultrashort 1-kHz laser plasma hard x-ray source


Faubel,  M.
Group Spectroscopy of aqueous surfaces, Department of Dynamics of Complex Fluids, Max Planck Institute for Dynamics and Self-Organization, Max Planck Society;

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Korn, G., Thoss, A., Stiel, H., Vogt, U., Richardson, M., Elsaesser, T., et al. (2002). Ultrashort 1-kHz laser plasma hard x-ray source. Optics Letters, 27(10), 866-868.

Cite as: https://hdl.handle.net/11858/00-001M-0000-0029-1789-5
We achieved a continuous, stable, ultrashort pulse hard x-ray point source by focusing 1.8-W, 1-kHz, 50-fs laser pulses onto a novel, 30-μm-diameter, high-velocity, liquid-metal gallium jet. This target geometry avoids most of the debris problems of solid targets and provides nearly 4π illumination. Photon fluxes of 5 X 10(8) photons/s are generated in a two-component spectrum consisting of a broad continuum from 4 to 14 keV and strong Kα and Kβ emission lines at 9.25 and 10.26 keV. This source will find wide use in time-resolved x-ray diffraction studies and other applications. (C) 2002 Optical Society of America.