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Proceedings Paper

Compact neutron source development at LBNL
Author(s): Jani Reijonen; Tak Pui Lou; Bryan Tolmachoff; Ka-Ngo Leung
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Paper Abstract

A compact neutron generator based on D-D or D-T fusion reactions is being developed at the Lawrence Berkeley National laboratory. The deuterium or tritium ions are produced in a radio-frequency (RF) driven multicusp plasma source. Seven beamlets are extracted and are accelerated to energy of 100 keV by means of a three-electrode electrostatic accelerator column. The ion beam then impinges on a titanium coated copper target where either the 2.4 MeV D-D or 13 MeV D-T neutrons are generated by fusion reaction. The development of the neutron tube is divided into three phases. First, the accelerator column is operated at hydrogen beam intensity of 15 mA. Second phase consists of deuterium beam runs at pulsed, low duty cycle 150 mA operation. The third phase consists of deuterium or tritium operation at 1.5 A beam current. Phase one is completed and the results of hydrogen beam testing are discussed. Low duty cycle 150 mA deuterium operation is being investigated. Neutron flux will be measured. Finally the phase three operation and the advance neutron generator designs are described.

Paper Details

Date Published: 21 December 2001
PDF: 8 pages
Proc. SPIE 4510, Charged Particle Detection, Diagnostics, and Imaging, (21 December 2001); doi: 10.1117/12.451268
Show Author Affiliations
Jani Reijonen, Lawrence Berkeley National Lab. (United States)
Tak Pui Lou, Lawrence Berkeley National Lab. (United States)
Bryan Tolmachoff, Lawrence Berkeley National Lab. (United States)
Ka-Ngo Leung, Lawrence Berkeley National Lab. (United States)

Published in SPIE Proceedings Vol. 4510:
Charged Particle Detection, Diagnostics, and Imaging
Eric Munro; John A. Rouse, Editor(s)

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