Numerical simulations of early-stage dynamics of electron bunches emitted from plasmonic photocathodes
Abstract
High-brightness electron sources are a key ingredient to the development of compact accelerator-based light sources. The electron sources are commonly based on (linear) photoemission process where a laser pulse with proper wavelength impinges on the surface of a metallic or semiconductor photocathode. Very recently, the use of plasmonic cathodes - cathodes with a nano-patterned surface - have demonstrated great enhancement in quantum efficiencies (Li et al., 2013 [1]). Alternatively, this type of photocathodes could support the formation of structured beams composed of transversely-separated beamlets. In this paper we discuss numerical simulations of the early-stage beam dynamics of the emission process from plasmonic cathodes carried out using the Warp (Friedman et al., 2014 [2]) framework. Furthermore, the model is used to investigate the properties of beams emitted from these photocathode and subsequently combined with particle-in-cell simulations to explore the imaging of cathode pattern after acceleration in a radiofrequency gun.
- Authors:
-
- Northern Illinois Univ., DeKalb, IL (United States)
- Radiabeam Technologies LLC, Santa Monica, CA (United States)
- Northern Illinois Univ., DeKalb, IL (United States); Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)
- Publication Date:
- Research Org.:
- Fermi National Accelerator Laboratory (FNAL), Batavia, IL (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), High Energy Physics (HEP)
- OSTI Identifier:
- 1463684
- Alternate Identifier(s):
- OSTI ID: 1550715
- Report Number(s):
- arXiv:1606.05383; FERMILAB-PUB-16-711-APC
Journal ID: ISSN 0168-9002; 1471122; TRN: US1902328
- Grant/Contract Number:
- AC02-07CH11359; SC0009656
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Nuclear Instruments and Methods in Physics Research. Section A, Accelerators, Spectrometers, Detectors and Associated Equipment
- Additional Journal Information:
- Journal Volume: 865; Journal Issue: C; Journal ID: ISSN 0168-9002
- Publisher:
- Elsevier
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 43 PARTICLE ACCELERATORS; Photoinjector; Plasmonic cathodes; Electron beam; Field emission; Photoemission
Citation Formats
Lueangaramwong, Anusorn, Mihalcea, Daniel, Andonian, Gerard, and Piot, Philippe. Numerical simulations of early-stage dynamics of electron bunches emitted from plasmonic photocathodes. United States: N. p., 2016.
Web. doi:10.1016/j.nima.2016.07.052.
Lueangaramwong, Anusorn, Mihalcea, Daniel, Andonian, Gerard, & Piot, Philippe. Numerical simulations of early-stage dynamics of electron bunches emitted from plasmonic photocathodes. United States. https://doi.org/10.1016/j.nima.2016.07.052
Lueangaramwong, Anusorn, Mihalcea, Daniel, Andonian, Gerard, and Piot, Philippe. Sat .
"Numerical simulations of early-stage dynamics of electron bunches emitted from plasmonic photocathodes". United States. https://doi.org/10.1016/j.nima.2016.07.052. https://www.osti.gov/servlets/purl/1463684.
@article{osti_1463684,
title = {Numerical simulations of early-stage dynamics of electron bunches emitted from plasmonic photocathodes},
author = {Lueangaramwong, Anusorn and Mihalcea, Daniel and Andonian, Gerard and Piot, Philippe},
abstractNote = {High-brightness electron sources are a key ingredient to the development of compact accelerator-based light sources. The electron sources are commonly based on (linear) photoemission process where a laser pulse with proper wavelength impinges on the surface of a metallic or semiconductor photocathode. Very recently, the use of plasmonic cathodes - cathodes with a nano-patterned surface - have demonstrated great enhancement in quantum efficiencies (Li et al., 2013 [1]). Alternatively, this type of photocathodes could support the formation of structured beams composed of transversely-separated beamlets. In this paper we discuss numerical simulations of the early-stage beam dynamics of the emission process from plasmonic cathodes carried out using the Warp (Friedman et al., 2014 [2]) framework. Furthermore, the model is used to investigate the properties of beams emitted from these photocathode and subsequently combined with particle-in-cell simulations to explore the imaging of cathode pattern after acceleration in a radiofrequency gun.},
doi = {10.1016/j.nima.2016.07.052},
journal = {Nuclear Instruments and Methods in Physics Research. Section A, Accelerators, Spectrometers, Detectors and Associated Equipment},
number = C,
volume = 865,
place = {United States},
year = {Sat Jul 30 00:00:00 EDT 2016},
month = {Sat Jul 30 00:00:00 EDT 2016}
}
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Works referencing / citing this record:
Modeling of diamond field emitter arrays for a compact source of high brightness electron beams
journal, April 2019
- Huang, C. -K.; Andrews, H. L.; Baker, R. C.
- Journal of Applied Physics, Vol. 125, Issue 16
Tailoring of an Electron-Bunch Current Distribution via Space-to-Time Mapping of a Transversely-Shaped Photoemission-Laser Pulse
text, January 2019
- Halavanau, A.; Gao, Q.; Conde, M.
- arXiv