Journal article
Bright x-ray radiation from plasma bubbles in an evolving laser wakefield accelerator
- Abstract:
- We show that the properties of the electron beam and bright x rays produced by a laser wakefield accelerator can be predicted if the distance over which the laser self-focuses and compresses prior to self-injection is taken into account. A model based on oscillations of the beam inside a plasma bubble shows that performance is optimized when the plasma length is matched to the laser depletion length. With a 200 TW laser pulse, this results in an x-ray beam with a median photon energy of 20 keV, > 108 photons above 1 keV per shot, and a peak brightness of 3×1022 photons s-1 mrad-2 mm-2 (0.1% BW)-1.
- Publication status:
- Published
- Peer review status:
- Peer reviewed
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(Preview, Version of record, 761.2KB, Terms of use)
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- Publisher copy:
- 10.1103/PhysRevAccelBeams.23.061301
Authors
+ Science and Technology Facilities Council
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- Grant:
- ST/P002048/1
- ST/G008531/1
- ST/K001582/1
- ST/P000967/1
- ST/J002011/1
- Publisher:
- American Physical Society
- Journal:
- Physical Review Accelerators and Beams More from this journal
- Volume:
- 23
- Issue:
- 6
- Article number:
- 061301
- Publication date:
- 2020-06-26
- Acceptance date:
- 2020-05-06
- DOI:
- EISSN:
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2469-9888
- Language:
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English
- Keywords:
- Pubs id:
-
1120979
- Local pid:
-
pubs:1120979
- Deposit date:
-
2021-09-01
Terms of use
- Copyright holder:
- Bloom et al.
- Copyright date:
- 2020
- Rights statement:
- Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI.
- Licence:
- CC Attribution (CC BY)
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