Burst mode MHz repetition rate inverse free electron laser acceleration
Abstract
The capability of accelerating electron bunches at high repetition rate is one of the key performance criteria for all high average power particle accelerator applications. High gradient laser-driven acceleration holds the potential for greatly reducing size and costs of future machines, but typically requires very high peak laser powers. On the other hand, MHz pulse trains of TW-class laser beams are much beyond the state of the art, so that laser recycling and recirculation is a necessary step to bridge that gap. In this experiment we demonstrate for the first time an inverse free electron laser accelerator (IFEL) operating within an active optical cavity showing the ability to laser-accelerate electron bunch trains in burst mode at > 20 MHz repetition rate. The experimental setup, synchronization challenges and acceleration results are presented. It is found that careful control of the dispersive properties of the cavity is required in order to sustain high accelerating gradients over many passes in the laser pulse train.
- Publication Date:
- Research Org.:
- Univ. of California, Los Angeles, CA (United States); RadiaBeam Technologies, LLC, Santa Monica, CA (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC)
- OSTI Identifier:
- 1618385
- Alternate Identifier(s):
- OSTI ID: 1801920
- Grant/Contract Number:
- SC0013749; SC0009914
- Resource Type:
- Published Article
- Journal Name:
- Physical Review Accelerators and Beams
- Additional Journal Information:
- Journal Name: Physical Review Accelerators and Beams Journal Volume: 23 Journal Issue: 5; Journal ID: ISSN 2469-9888
- Publisher:
- American Physical Society
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS; Physics
Citation Formats
Sudar, N., Musumeci, P., Ovodenko, A., Murokh, A., Polyanskiy, M., Pogorelsky, I., Fedurin, M., Swinson, C., Kusche, K., Babzien, M., and Palmer, M. Burst mode MHz repetition rate inverse free electron laser acceleration. United States: N. p., 2020.
Web. doi:10.1103/PhysRevAccelBeams.23.051301.
Sudar, N., Musumeci, P., Ovodenko, A., Murokh, A., Polyanskiy, M., Pogorelsky, I., Fedurin, M., Swinson, C., Kusche, K., Babzien, M., & Palmer, M. Burst mode MHz repetition rate inverse free electron laser acceleration. United States. https://doi.org/10.1103/PhysRevAccelBeams.23.051301
Sudar, N., Musumeci, P., Ovodenko, A., Murokh, A., Polyanskiy, M., Pogorelsky, I., Fedurin, M., Swinson, C., Kusche, K., Babzien, M., and Palmer, M. Wed .
"Burst mode MHz repetition rate inverse free electron laser acceleration". United States. https://doi.org/10.1103/PhysRevAccelBeams.23.051301.
@article{osti_1618385,
title = {Burst mode MHz repetition rate inverse free electron laser acceleration},
author = {Sudar, N. and Musumeci, P. and Ovodenko, A. and Murokh, A. and Polyanskiy, M. and Pogorelsky, I. and Fedurin, M. and Swinson, C. and Kusche, K. and Babzien, M. and Palmer, M.},
abstractNote = {The capability of accelerating electron bunches at high repetition rate is one of the key performance criteria for all high average power particle accelerator applications. High gradient laser-driven acceleration holds the potential for greatly reducing size and costs of future machines, but typically requires very high peak laser powers. On the other hand, MHz pulse trains of TW-class laser beams are much beyond the state of the art, so that laser recycling and recirculation is a necessary step to bridge that gap. In this experiment we demonstrate for the first time an inverse free electron laser accelerator (IFEL) operating within an active optical cavity showing the ability to laser-accelerate electron bunch trains in burst mode at > 20 MHz repetition rate. The experimental setup, synchronization challenges and acceleration results are presented. It is found that careful control of the dispersive properties of the cavity is required in order to sustain high accelerating gradients over many passes in the laser pulse train.},
doi = {10.1103/PhysRevAccelBeams.23.051301},
journal = {Physical Review Accelerators and Beams},
number = 5,
volume = 23,
place = {United States},
year = {Wed May 13 00:00:00 EDT 2020},
month = {Wed May 13 00:00:00 EDT 2020}
}
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https://doi.org/10.1103/PhysRevAccelBeams.23.051301
https://doi.org/10.1103/PhysRevAccelBeams.23.051301
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