Document Type
Article
Abstract
Pulsed field emission from cold carbon-nanotube cathodes placed in a radiofrequency resonant cavity was directly measured. The cathodes were located on the backplate of a conventional 1+1/2 -cell resonant cavity operating at 1.3-GHz and resulted in the production of bunch train with maximum average current close to 0.7 Ampère. The measured Fowler-Nordheim characteristic, transverse emittance, and pulse duration are presented and, when possible, compared to numerical simulations. The implications of our results to the promise of high-average-current electron sources are briefly discussed.
DOI
10.1063/1.4927052
Publication Date
7-20-2015
Recommended Citation
Appl. Phys. Lett. 107, 033502 (2015)
Original Citation
Appl. Phys. Lett. 107, 033502 (2015)
Department
Department of Physics
Legacy Department
Department of Physics
Sponsorship
This work was funded via U.S. Department of Energy (DOE) Contract DE-SC0004459 with Radiabeam Technologies, LLC. Fermilab is operated by the Fermi Research Alliance, LLC. for the DOE under Contract DE-AC02-07CH11359.
Language
eng
Publisher
AIP Publishing LLC
