Observation of Terahertz Emission from a Laser-Plasma Accelerated Electron Bunch Crossing a Plasma-Vacuum Boundary
Abstract
Coherent radiation in the 0.3-3 THz range has been generated from femtosecond electron bunches at a plasma-vacuum boundary via transition radiation. The bunches produced by a laser-plasma accelerator contained 1.5 nC of charge. The THz energy per pulse within a limited 30 mrad collection angle was 3-5 nJ and scaled quadratically with bunch charge, consistent with coherent emission. Modeling indicates that this broadband source produces about 0.3 microJ per pulse within a 100 mrad angle, and that increasing the transverse plasma size and electron beam energy could provide more than 100 microJ/pulse.
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Many applications including high energy physics and radiation sources require monoenergetic beams (percent energy spread or less) with at least 10^9 electrons.
“While these beams are useful for some users 9 , many applications including high energy physics and radiation sources require monoenergetic beams (percent energy spread or less) with at least 10 9 electrons [10][11][12][13] .”
From High-quality electron beams from a laser wakefield accelerator using plasma-channel guiding (2004) · cites this paper as [10]
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High-quality electron beams from a laser wakefield accelerator using plasma-channel guiding
Geddes, C. G. R., Toth, C., van Tilborg, J., Esarey, E., Schroeder, C. B., Bruhwiler, D., Nieter, C., Cary, J., & Leemans, W. P. (2004) · Nature · doi:10.1038/nature02900 · Cited by 2,001 · see citing works
Self-citationTerahertz radiation from laser accelerated electron bunches
Leemans, W. P., van Tilborg, J., Faure, J., Geddes, C. G. R., Tóth, C., Schroeder, C. B., Esarey, E., Fubiani, G., & Dugan, G. (2004) · Physics of Plasmas · doi:10.1063/1.1652834 · Cited by 111 · see citing works
Self-citation
- Authors
- Leemans, W. P., Geddes, C. G. R., Faure, J., Tóth, C., van Tilborg, J., Schroeder, C. B., Esarey, E., Fubiani, G., Auerbach, D., Marcelis, B., Carnahan, M. A., Kaindl, R. A., Byrd, J., & Martin, M. C.
- Affiliations
- Lawrence Berkeley National Laboratory (US)
- Venue
- Physical Review Letters
- Publisher
- American Physical Society (APS)
- Published
- 2003-08-14
- Volume
- 91
- Issue
- 7
- Pages
- 074802-074802
- ISSN
- 0031-9007 (ISSN-L)
- 1079-7114
- OpenAlex
- W1989039207
- Cited by
- 377
- References
- 0
- Citations by year
- 2026: 1 · 2025: 13 · 2024: 17 · 2023: 20 · 2022: 10 · 2021: 16 · 2020: 19 · 2019: 18 · 2018: 15 · 2017: 17 · 2016: 26 · 2015: 18 · 2014: 12 · 2013: 17 · 2012: 26
- FWCI
- 14.05
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Physical Review Letters (publishedVersion)
- PubMed (publishedVersion)
- Topics
- Physical Sciences › Engineering › Electrical and Electronic Engineering › Particle Accelerators and Free-Electron Lasers
- Physical Sciences › Physics and Astronomy › Nuclear and High Energy Physics › Laser-Plasma Interactions and Diagnostics
- Physical Sciences › Physics and Astronomy › Atomic and Molecular Physics, and Optics › Gyrotron and Vacuum Electronics Research
- Keywords
- terahertz emission, transition radiation, plasma-vacuum boundary, laser-plasma acceleration, femtosecond electron bunches, coherent radiation, broadband terahertz sources, electron beam energy
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