Ultrafast coherent electron emission from ultrasharp metal tips

Ultrafast coherent electron emission from ultrasharp metal tips

Sharp metal tips as field emitters are well-known and established electron sources. A DC-electric field leads to a continuous electron tunnel current out of the high-energy tail of the electron thermal distribution. In contrast in this paper, the authors present a project where electrons are emitted...

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Hauptverfasser: Schenk, M., Kruger, M., Hoffrogge, J., Hommelhoff, P.
Format: Tagungsbericht
Sprache:eng
Schlagworte:
Electron emission
Electron sources
Optical pulses
Probability distribution
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Beschreibung
Zusammenfassung:Sharp metal tips as field emitters are well-known and established electron sources. A DC-electric field leads to a continuous electron tunnel current out of the high-energy tail of the electron thermal distribution. In contrast in this paper, the authors present a project where electrons are emitted due to the high electric field delivered by ultrashort laser pulses.
DOI:10.1109/CLEOE-EQEC.2009.5192720