Demonstration of Cascaded Modulator-Chicane Microbunching of a Relativistic Electron Beam
Abstract
Here, we present results of an experiment showing the first successful demonstration of a cascaded microbunching scheme. Two modulator-chicane prebunchers arranged in series and a high power mid-IR laser seed are used to modulate a 52 MeV electron beam into a train of sharp microbunches phase locked to the external drive laser. This configuration is shown to greatly improve matching of the beam into the small longitudinal phase space acceptance of short-wavelength accelerators. We demonstrate trapping of nearly all (96%) of the electrons in a strongly tapered inverse free-electron laser accelerator, with an order-of-magnitude reduction in injection losses compared to the classical single-buncher scheme. These results represent a critical advance in laser-based longitudinal phase space manipulations and find application in high gradient advanced acceleration as well as in high peak and average power coherent radiation sources.
- Authors:
-
- Univ. of California, Los Angeles, CA (United States)
- Brookhaven National Lab. (BNL), Upton, NY (United States)
- Publication Date:
- Research Org.:
- Brookhaven National Lab. (BNL), Upton, NY (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), Nuclear Physics (NP)
- OSTI Identifier:
- 1436279
- Alternate Identifier(s):
- OSTI ID: 1426327
- Report Number(s):
- BNL-203625-2018-JAAM
Journal ID: ISSN 0031-9007; PRLTAO; TRN: US1900167
- Grant/Contract Number:
- SC0012704; SC0009914
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Physical Review Letters
- Additional Journal Information:
- Journal Volume: 120; Journal Issue: 11; Journal ID: ISSN 0031-9007
- Publisher:
- American Physical Society (APS)
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 43 PARTICLE ACCELERATORS
Citation Formats
Sudar, N., Musumeci, P., Gadjev, I., Sakai, Y., Fabbri, S., Polyanskiy, M., Pogorelsky, I., Fedurin, M., Swinson, C., Kusche, K., Babzien, M., and Palmer, M. Demonstration of Cascaded Modulator-Chicane Microbunching of a Relativistic Electron Beam. United States: N. p., 2018.
Web. doi:10.1103/PhysRevLett.120.114802.
Sudar, N., Musumeci, P., Gadjev, I., Sakai, Y., Fabbri, S., Polyanskiy, M., Pogorelsky, I., Fedurin, M., Swinson, C., Kusche, K., Babzien, M., & Palmer, M. Demonstration of Cascaded Modulator-Chicane Microbunching of a Relativistic Electron Beam. United States. https://doi.org/10.1103/PhysRevLett.120.114802
Sudar, N., Musumeci, P., Gadjev, I., Sakai, Y., Fabbri, S., Polyanskiy, M., Pogorelsky, I., Fedurin, M., Swinson, C., Kusche, K., Babzien, M., and Palmer, M. Thu .
"Demonstration of Cascaded Modulator-Chicane Microbunching of a Relativistic Electron Beam". United States. https://doi.org/10.1103/PhysRevLett.120.114802. https://www.osti.gov/servlets/purl/1436279.
@article{osti_1436279,
title = {Demonstration of Cascaded Modulator-Chicane Microbunching of a Relativistic Electron Beam},
author = {Sudar, N. and Musumeci, P. and Gadjev, I. and Sakai, Y. and Fabbri, S. and Polyanskiy, M. and Pogorelsky, I. and Fedurin, M. and Swinson, C. and Kusche, K. and Babzien, M. and Palmer, M.},
abstractNote = {Here, we present results of an experiment showing the first successful demonstration of a cascaded microbunching scheme. Two modulator-chicane prebunchers arranged in series and a high power mid-IR laser seed are used to modulate a 52 MeV electron beam into a train of sharp microbunches phase locked to the external drive laser. This configuration is shown to greatly improve matching of the beam into the small longitudinal phase space acceptance of short-wavelength accelerators. We demonstrate trapping of nearly all (96%) of the electrons in a strongly tapered inverse free-electron laser accelerator, with an order-of-magnitude reduction in injection losses compared to the classical single-buncher scheme. These results represent a critical advance in laser-based longitudinal phase space manipulations and find application in high gradient advanced acceleration as well as in high peak and average power coherent radiation sources.},
doi = {10.1103/PhysRevLett.120.114802},
journal = {Physical Review Letters},
number = 11,
volume = 120,
place = {United States},
year = {Thu Mar 15 00:00:00 EDT 2018},
month = {Thu Mar 15 00:00:00 EDT 2018}
}
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Cited by: 15 works
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Figures / Tables:
FIG. 1. : a) experiment beamline layout b)-e) electron beam phase space after first modulator, first chicane, second modulator, second chicane f) phase space after IFEL acceleration
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Works referencing / citing this record:
An inverse free electron laser acceleration-driven Compton scattering X-ray source
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High-Brightness Beam Technology Development for a Future Dynamic Mesoscale Materials Science Capability
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An inverse free electron laser acceleration-driven Compton scattering X-ray source
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Figures / Tables found in this record:
Figures/Tables have been extracted from DOE-funded journal article accepted manuscripts.