Paper | Title | Page |
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TPAT001 | An Ultra-Bright Pulsed Electron Beam with Low Longitudinal Emittance | 770 |
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Funding: Work supported by the U.S. Department of Energy under Contract No. DE-AC03-76SF00098. We describe a novel scheme for an electron source in the 10 - 100 eV range with the capability of approaching the brightness quantum-limit and of lowering the effective temperature of the electrons orders of magnitude with respect to existing sources. Such a device can open the way for a wide range of novel applications that utilize angstrom-scale spatial resolution and ?eV-scale energy resolution. Possible examples include electron microscopy, electron holography, and investigations of dynamics on a picosecond time scale using pump-probe techniques. In this paper we describe the concepts for such a source including a complete and consistent set of parameters for the construction of a real device based on the presented scheme. |