Generation of Terawatt Attosecond Pulses from Relativistic Transition Radiation
Abstract
When a femtosecond duration and hundreds of kiloampere peak current electron beam traverses the vacuum and high-density plasma interface, a new process, that we call here relativistic transition radiation (RTR), generates an intense ~ 100 as pulse containing ~ 1 terawatt power of coherent vacuum ultraviolet (VUV) radiation accompanied by several smaller femtosecond duration satellite pulses. This pulse inherits the radial polarization of the incident beam field and has a ring intensity distribution. This RTR is emitted when the beam density is comparable to the plasma density and the spot size much larger than the plasma skin depth. Physically, it arises from the return current or backward relativistic motion of electrons starting just inside the plasma that Doppler up shifts the emitted photons. The number of RTR pulses is determined by the number of groups of plasma electrons that originate at different depths within the first plasma wake period and emit coherently before phase mixing.
- Authors:
-
- SLAC National Accelerator Lab., Menlo Park, CA (United States)
- Ecole Polytechnique, Palaiseau (France)
- Univ. of California, Los Angeles, CA (United States)
- Publication Date:
- Research Org.:
- SLAC National Accelerator Lab., Menlo Park, CA (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), Basic Energy Sciences (BES); USDOE Office of Science (SC), Advanced Scientific Computing Research (ASCR). Scientific Discovery through Advanced Computing (SciDAC); National Science Foundation (NSF); European Research Council (ERC)
- OSTI Identifier:
- 1764617
- Grant/Contract Number:
- AC02-76SF00515; SC0010064; 644405; 1806046; 1734315; 715807
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Physical Review Letters
- Additional Journal Information:
- Journal Volume: 126; Journal Issue: 9; Journal ID: ISSN 0031-9007
- Publisher:
- American Physical Society (APS)
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 70 PLASMA PHYSICS AND FUSION TECHNOLOGY; 43 PARTICLE ACCELERATORS
Citation Formats
Xu, Xinlu, Cesar, David B., Corde, Sébastien, Yakimenko, Vitaly, Hogan, Mark J., Joshi, Chan, Marinelli, Agostino, and Mori, Warren B. Generation of Terawatt Attosecond Pulses from Relativistic Transition Radiation. United States: N. p., 2021.
Web. doi:10.1103/physrevlett.126.094801.
Xu, Xinlu, Cesar, David B., Corde, Sébastien, Yakimenko, Vitaly, Hogan, Mark J., Joshi, Chan, Marinelli, Agostino, & Mori, Warren B. Generation of Terawatt Attosecond Pulses from Relativistic Transition Radiation. United States. https://doi.org/10.1103/physrevlett.126.094801
Xu, Xinlu, Cesar, David B., Corde, Sébastien, Yakimenko, Vitaly, Hogan, Mark J., Joshi, Chan, Marinelli, Agostino, and Mori, Warren B. Tue .
"Generation of Terawatt Attosecond Pulses from Relativistic Transition Radiation". United States. https://doi.org/10.1103/physrevlett.126.094801. https://www.osti.gov/servlets/purl/1764617.
@article{osti_1764617,
title = {Generation of Terawatt Attosecond Pulses from Relativistic Transition Radiation},
author = {Xu, Xinlu and Cesar, David B. and Corde, Sébastien and Yakimenko, Vitaly and Hogan, Mark J. and Joshi, Chan and Marinelli, Agostino and Mori, Warren B.},
abstractNote = {When a femtosecond duration and hundreds of kiloampere peak current electron beam traverses the vacuum and high-density plasma interface, a new process, that we call here relativistic transition radiation (RTR), generates an intense ~ 100 as pulse containing ~ 1 terawatt power of coherent vacuum ultraviolet (VUV) radiation accompanied by several smaller femtosecond duration satellite pulses. This pulse inherits the radial polarization of the incident beam field and has a ring intensity distribution. This RTR is emitted when the beam density is comparable to the plasma density and the spot size much larger than the plasma skin depth. Physically, it arises from the return current or backward relativistic motion of electrons starting just inside the plasma that Doppler up shifts the emitted photons. The number of RTR pulses is determined by the number of groups of plasma electrons that originate at different depths within the first plasma wake period and emit coherently before phase mixing.},
doi = {10.1103/physrevlett.126.094801},
journal = {Physical Review Letters},
number = 9,
volume = 126,
place = {United States},
year = {Tue Mar 02 00:00:00 EST 2021},
month = {Tue Mar 02 00:00:00 EST 2021}
}
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