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Generation of a beam of fast electrons by tightly focusing a radially polarized ultrashort laser pulse.
- Source :
-
Applied Physics Letters . 7/23/2012, Vol. 101 Issue 4, p041105-041105-3. 1p. 1 Diagram, 2 Graphs. - Publication Year :
- 2012
-
Abstract
- The generation of an electron beam through longitudinal field acceleration from a tightly focused radially polarized (TM01) laser mode is reported. The longitudinal field is generated by focusing a TM01 few-cycle laser pulse (1.8 μm, 550 μJ, 15 fs) with a high numerical aperture parabola. The created longitudinal field in the focal region is intense enough to ionize atoms and accelerate electrons to 23 keV of energy from a low density oxygen gas. The characteristics of the electron beam are presented. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 00036951
- Volume :
- 101
- Issue :
- 4
- Database :
- Academic Search Index
- Journal :
- Applied Physics Letters
- Publication Type :
- Academic Journal
- Accession number :
- 78141193
- Full Text :
- https://doi.org/10.1063/1.4738998