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Proceedings Paper

Temporal characteristics of an electron-based ultrashort hard x-ray source
Author(s): Ulf Hinze; Andre Egbert; Boris N. Chichkov; Klaus Eidmann
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Paper Abstract

Recently, an electron-based ultrashort hard-x-ray source has been developed at the Laser Zentrum Hannover e.V. In this source x-ray pulses are produced by combining femtosecond laser technology with a specially designed x-ray diode. At first, ultrashort electron pulses are generated by photoemission from a photocathode. Then, these electron pulses are accelerated over a short distance towards a high-Z anode. Hard-x-rays are produced via Bremsstrahlung and characteristic line emission. Now detailed measurements of the hard-x-ray pulse duration have been performed using an advanced streak camera. The streak camera has a sub-picosecond time resolution in the keV range. With this camera hard-x-ray pulse durations of less than 10 ps were observed for electron pulse charges of the order of several pC. In this contribution we present our results on the x-ray pulse duration measurements and their dependence on different experimental parameters. A comparison with theoretical simulations is given.

Paper Details

Date Published: 3 November 2004
PDF: 7 pages
Proc. SPIE 5537, X-Ray Sources and Optics, (3 November 2004); doi: 10.1117/12.557157
Show Author Affiliations
Ulf Hinze, Laser Zentrum Hannover e.V. (Germany)
Andre Egbert, Laser Zentrum Hannover e.V. (Germany)
Boris N. Chichkov, Laser Zentrum Hannover e.V. (Germany)
Klaus Eidmann, Max-Planck-Institut fur Quantenoptik (Germany)

Published in SPIE Proceedings Vol. 5537:
X-Ray Sources and Optics
Carolyn A. MacDonald; Albert T. Macrander; Tetsuya Ishikawa; Christian Morawe; James L. Wood, Editor(s)

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