Development of a Compact Dielectric-Loaded Test Accelerator at 11.4 GHz

Journal Article · Thu Jan 22 04:00:00 EST 2009 · AIP Conference Proceedings

DOI:https://doi.org/10.1063/1.3080942· OSTI ID:21255256

Gold, S H; Fliflet, A W ^[1]; Kinkead, A K ^[2]; Gai, W; Power, J G; Konecny, R ^[3]; Jing, C ^[3]

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1. Plasma Physics Division, Naval Research Laboratory, Washington, DC 20375 (United States)
2. Icarus Research, Bethesda, MD 20814 (United States)
3. Argonne National Laboratory, Argonne, IL 60439 (United States)

This paper presents a progress report on the development of a dielectric-loaded test accelerator in the Magnicon Facility at the Naval Research Laboratory (NRL). The accelerator will be powered by an 11.4-GHz magnicon amplifier that provides up to 25 MW of output power in a {approx}250-ns pulse at up to 10 Hz. The accelerator includes a 5-MeV electron injector originally developed at the Tsinghua University in Beijing, China, and can incorporate dielectric-loaded accelerating (DLA) structures of up to 0.5 m in length. The DLA structures are being developed by Argonne National Laboratory and Euclid Techlabs, and shorter test structures fabricated from a variety of dielectric materials have undergone rf testing at NRL at accelerating gradients up to 15 MV/m. The first stage of the accelerator, including the 5-MeV injector, has recently begun operation, and initial operation of the complete dielectric-loaded test accelerator, including injector, DLA test structure, and spectrometer, should take place within the next year.

• OSTI ID: 21255256
• Journal Information: AIP Conference Proceedings, Journal Name: AIP Conference Proceedings Journal Issue: 1 Vol. 1086; ISSN APCPCS; ISSN 0094-243X
• Country of Publication: United States
• Language: English

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