Criteria for emittance compensation in high-brightness photoinjectors
A critical process in high-brightness photoinjectors is emittance compensation, which brings under control the correlated transverse emittance growth due to the linear space-charge force. Although emittance compensation has been used and studied for almost two decades, the exact criteria to achieve...
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American Physical Society
2007-10-01
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Series: | Physical Review Special Topics. Accelerators and Beams |
Online Access: | http://doi.org/10.1103/PhysRevSTAB.10.104201 |
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doaj-152ad62e903e455193021f9d7ed961162020-11-25T00:25:58ZengAmerican Physical SocietyPhysical Review Special Topics. Accelerators and Beams1098-44022007-10-01101010420110.1103/PhysRevSTAB.10.104201Criteria for emittance compensation in high-brightness photoinjectorsChun-xi WangKwang-Je KimMassimo FerrarioAn WangA critical process in high-brightness photoinjectors is emittance compensation, which brings under control the correlated transverse emittance growth due to the linear space-charge force. Although emittance compensation has been used and studied for almost two decades, the exact criteria to achieve emittance compensation is not as clear as it should be. In this paper, a perturbative analysis of slice envelopes and emittance evolution close to any reference envelope is developed, via which space-charge and chromatic effects are investigated. A new criterion for emittance compensation is found, which is complementary to the well-known matching condition for the invariant envelope and agrees very well with simulations.http://doi.org/10.1103/PhysRevSTAB.10.104201 |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Chun-xi Wang Kwang-Je Kim Massimo Ferrario An Wang |
spellingShingle |
Chun-xi Wang Kwang-Je Kim Massimo Ferrario An Wang Criteria for emittance compensation in high-brightness photoinjectors Physical Review Special Topics. Accelerators and Beams |
author_facet |
Chun-xi Wang Kwang-Je Kim Massimo Ferrario An Wang |
author_sort |
Chun-xi Wang |
title |
Criteria for emittance compensation in high-brightness photoinjectors |
title_short |
Criteria for emittance compensation in high-brightness photoinjectors |
title_full |
Criteria for emittance compensation in high-brightness photoinjectors |
title_fullStr |
Criteria for emittance compensation in high-brightness photoinjectors |
title_full_unstemmed |
Criteria for emittance compensation in high-brightness photoinjectors |
title_sort |
criteria for emittance compensation in high-brightness photoinjectors |
publisher |
American Physical Society |
series |
Physical Review Special Topics. Accelerators and Beams |
issn |
1098-4402 |
publishDate |
2007-10-01 |
description |
A critical process in high-brightness photoinjectors is emittance compensation, which brings under control the correlated transverse emittance growth due to the linear space-charge force. Although emittance compensation has been used and studied for almost two decades, the exact criteria to achieve emittance compensation is not as clear as it should be. In this paper, a perturbative analysis of slice envelopes and emittance evolution close to any reference envelope is developed, via which space-charge and chromatic effects are investigated. A new criterion for emittance compensation is found, which is complementary to the well-known matching condition for the invariant envelope and agrees very well with simulations. |
url |
http://doi.org/10.1103/PhysRevSTAB.10.104201 |
work_keys_str_mv |
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