Record high-average current from a high-brightness photoinjector

High-power, high-brightness electron beams are of interest for many applications, especially as drivers for free electron lasers and energy recovery linac light sources. For these particular applications, photoemission injectors are used in most cases, and the initial beam brightness from the inject...

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Bibliographic Details
Published in:	Applied physics letters Vol. 102; no. 3
Main Authors:	Dunham, Bruce, Barley, John, Bartnik, Adam, Bazarov, Ivan, Cultrera, Luca, Dobbins, John, Hoffstaetter, Georg, Johnson, Brent, Kaplan, Roger, Karkare, Siddharth, Kostroun, Vaclav, Li, Yulin, Liepe, Matthias, Liu, Xianghong, Loehl, Florian, Maxson, Jared, Quigley, Peter, Reilly, John, Rice, David, Sabol, Daniel, Smith, Eric, Smolenski, Karl, Tigner, Maury, Vesherevich, Vadim, Widger, Dwight, Zhao, Zhi
Format:	Journal Article
Language:	English
Published:	United States 21-01-2013
Subjects:	BRIGHTNESS CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY CURRENTS ELECTRON BEAMS ELECTRON GUNS ENERGY RECOVERY FREE ELECTRON LASERS LIGHT SOURCES LINEAR ACCELERATORS MEV RANGE 01-10 PARTICLE ACCELERATORS PHOTOEMISSION
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Summary:	High-power, high-brightness electron beams are of interest for many applications, especially as drivers for free electron lasers and energy recovery linac light sources. For these particular applications, photoemission injectors are used in most cases, and the initial beam brightness from the injector sets a limit on the quality of the light generated at the end of the accelerator. At Cornell University, we have built such a high-power injector using a DC photoemission gun followed by a superconducting accelerating module. Recent results will be presented demonstrating record setting performance up to 65 mA average current with beam energies of 4–5 MeV.
Bibliography:	ObjectType-Article-1 SourceType-Scholarly Journals-1 ObjectType-Feature-2 content type line 23
ISSN:	0003-6951 1077-3118
DOI:	10.1063/1.4789395