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Title: High efficiency laser-assisted H − charge exchange for microsecond duration beams

Abstract

Laser-assisted stripping is a novel approach to H- charge exchange that overcomes long-standing limitations associated with the traditional, foil-based method of producing high-intensity, time-structured beams of protons. This paper reports on the first successful demonstration of the laser stripping technique for microsecond duration beams. The experiment represents a factor of 1000 increase in the stripped pulse duration compared with the previous proof-of-principle demonstration. The central theme of the experiment is the implementation of methods to reduce the required average laser power such that high efficiency stripping can be accomplished for microsecond duration beams using conventional laser technology. In conclusion, the experiment was performed on the Spallation Neutron Source 1 GeV H- beam using a 1 MW peak power UV laser and resulted in ~95% stripping efficiency.

Authors:
; ; ; ; ; ; ; ; ; ; ; ;
Publication Date:
Research Org.:
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States); Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)
Sponsoring Org.:
USDOE Office of Science (SC), High Energy Physics (HEP)
OSTI Identifier:
1414878
Alternate Identifier(s):
OSTI ID: 1418454
Report Number(s):
FERMILAB-PUB-18-023-AD
Journal ID: ISSN 2469-9888; PRABCJ; 120402
Grant/Contract Number:  
FG02-13ER41967; AC05-00OR22725; AC02-07CH11359
Resource Type:
Published Article
Journal Name:
Physical Review Accelerators and Beams
Additional Journal Information:
Journal Name: Physical Review Accelerators and Beams Journal Volume: 20 Journal Issue: 12; Journal ID: ISSN 2469-9888
Publisher:
American Physical Society
Country of Publication:
United States
Language:
English
Subject:
43 PARTICLE ACCELERATORS

Citation Formats

Cousineau, Sarah, Rakhman, Abdurahim, Kay, Martin, Aleksandrov, Alexander, Danilov, Viatcheslav, Gorlov, Timofey, Liu, Yun, Long, Cary, Menshov, Alexander, Plum, Michael, Shishlo, Andrei, Webster, Andrew, and Johnson, David. High efficiency laser-assisted H − charge exchange for microsecond duration beams. United States: N. p., 2017. Web. doi:10.1103/PhysRevAccelBeams.20.120402.
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Cousineau, Sarah, Rakhman, Abdurahim, Kay, Martin, Aleksandrov, Alexander, Danilov, Viatcheslav, Gorlov, Timofey, Liu, Yun, Long, Cary, Menshov, Alexander, Plum, Michael, Shishlo, Andrei, Webster, Andrew, & Johnson, David. High efficiency laser-assisted H − charge exchange for microsecond duration beams. United States. https://doi.org/10.1103/PhysRevAccelBeams.20.120402
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Cousineau, Sarah, Rakhman, Abdurahim, Kay, Martin, Aleksandrov, Alexander, Danilov, Viatcheslav, Gorlov, Timofey, Liu, Yun, Long, Cary, Menshov, Alexander, Plum, Michael, Shishlo, Andrei, Webster, Andrew, and Johnson, David. Tue . "High efficiency laser-assisted H − charge exchange for microsecond duration beams". United States. https://doi.org/10.1103/PhysRevAccelBeams.20.120402.
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@article{osti_1414878,
title = {High efficiency laser-assisted H − charge exchange for microsecond duration beams},
author = {Cousineau, Sarah and Rakhman, Abdurahim and Kay, Martin and Aleksandrov, Alexander and Danilov, Viatcheslav and Gorlov, Timofey and Liu, Yun and Long, Cary and Menshov, Alexander and Plum, Michael and Shishlo, Andrei and Webster, Andrew and Johnson, David},
abstractNote = {Laser-assisted stripping is a novel approach to H- charge exchange that overcomes long-standing limitations associated with the traditional, foil-based method of producing high-intensity, time-structured beams of protons. This paper reports on the first successful demonstration of the laser stripping technique for microsecond duration beams. The experiment represents a factor of 1000 increase in the stripped pulse duration compared with the previous proof-of-principle demonstration. The central theme of the experiment is the implementation of methods to reduce the required average laser power such that high efficiency stripping can be accomplished for microsecond duration beams using conventional laser technology. In conclusion, the experiment was performed on the Spallation Neutron Source 1 GeV H- beam using a 1 MW peak power UV laser and resulted in ~95% stripping efficiency.},
doi = {10.1103/PhysRevAccelBeams.20.120402},
journal = {Physical Review Accelerators and Beams},
number = 12,
volume = 20,
place = {United States},
year = {Tue Dec 26 00:00:00 EST 2017},
month = {Tue Dec 26 00:00:00 EST 2017}
}
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Journal Article:
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Publisher's Version of Record
https://doi.org/10.1103/PhysRevAccelBeams.20.120402
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