Modeling and Simulation of Photoemission Based Electron Sources Article Swipe
Ye Chen
,
Erion Gjonaj
,
Herbert De Gersem
,
Thomas Weiland
,
Mikhail Krassilnikov
,
C. Hernandez-Garcia
,
F. Stephan
,
M. Dohlus
·
YOU?
·
· 2016
· Open Access
·
· DOI: https://doi.org/10.18429/jacow-icap2015-thcwc1
YOU?
·
· 2016
· Open Access
·
· DOI: https://doi.org/10.18429/jacow-icap2015-thcwc1
The photoemission based electron source allows producing electron beams with controlled temporal and spatial profiles, high current and high brightness. Its development is critical to future short-wavelength light sources. To accurately characterize electron beams generated by the source, the full EM emission modeling is carried out in a self-consistent manner. It takes into accounts the Schottky-like modulation of the cathode quantum efficiency (QE) as well as the relativistic effects during emission*,**. Specifically, a more realistic emission model is proposed to consider the QE dependence on cathode fields. In pulsed operation fast time transients characterize these fields. This leads to a time-dependent QE. Thus, the bunch temporal profile is not the same as the shape of the cathode laser pulse and should be corrected according to this model. As an application, the PITZ injector***,****offers an opportunity to validate the modeling scenario and simulations with measurement data. The emission is modeled as the QE-limited and SC-limited regimes by considering the total bunch charge as a function of laser energy. Simulation results are in good agreements with measurement data.
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- https://doi.org/10.18429/jacow-icap2015-thcwc1
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All OpenAlex metadata
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https://openalex.org/W2558292083Canonical identifier for this work in OpenAlex
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https://doi.org/10.18429/jacow-icap2015-thcwc1Digital Object Identifier
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Modeling and Simulation of Photoemission Based Electron SourcesWork title
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articleOpenAlex work type
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enPrimary language
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2016Year of publication
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2016-01-01Full publication date if available
- Authors
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Ye Chen, Erion Gjonaj, Herbert De Gersem, Thomas Weiland, Mikhail Krassilnikov, C. Hernandez-Garcia, F. Stephan, M. DohlusList of authors in order
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https://doi.org/10.18429/jacow-icap2015-thcwc1Publisher landing page
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greenOpen access status per OpenAlex
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https://doi.org/10.18429/jacow-icap2015-thcwc1Direct OA link when available
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Computer science, Materials scienceTop concepts (fields/topics) attached by OpenAlex
- Cited by
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2Total citation count in OpenAlex
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2020: 2Per-year citation counts (last 5 years)
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20Other works algorithmically related by OpenAlex
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