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D-D neutron generator development at LBNL.

J Reijonen1, F Gicquel, S K Hahto

  • 1Lawrence Berkeley National Laboratory, MS 5-121, 1 Cyclotron Road, Berkeley, CA 94720, USA. jreijonen@lbl.gov

Applied Radiation and Isotopes : Including Data, Instrumentation and Methods for Use in Agriculture, Industry and Medicine
|June 25, 2005
PubMed
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Lawrence Berkeley National Laboratory is advancing deuterium-deuterium (D-D) neutron generators with three novel designs. These next-generation generators utilize RF-induction discharge for enhanced ion production and stable operation.

Area of Science:

  • Nuclear Engineering
  • Plasma Physics
  • Accelerator Technology

Background:

  • Development of advanced neutron generators is crucial for various scientific and industrial applications.
  • Existing neutron generator technologies face limitations in output, stability, and operational flexibility.

Purpose of the Study:

  • To present three novel, next-generation deuterium-deuterium (D-D) neutron generator designs developed at Lawrence Berkeley National Laboratory.
  • To highlight the advantages of radio-frequency (RF)-induction discharge for ion production in these generators.
  • To detail the unique features and potential applications of each generator concept.

Main Methods:

  • Utilizing RF-induction discharge for deuterium ion production.
  • Developing three distinct generator configurations: multi-stage axial, high-output co-axial, and point source.

Related Experiment Videos

  • Focusing on high atomic hydrogen species, high current densities, and stable, long-life operation.

    • Main Results:

    • The axial neutron generator is optimized for fast pulsing and medium-to-high D-D neutron output.
    • The co-axial neutron generator is designed for high neutron output (D-D or D-T) in continuous wave (CW) or pulsed modes.
    • The point source neutron generator concept utilizes a toroidal plasma generator for high output flux of D-D, T-T, or D-T neutrons from a localized source.

    Conclusions:

    • The developed neutron generators represent significant advancements in D-D neutron production technology.
    • RF-induction discharge provides a robust method for generating high-quality deuterium ion beams.
    • These new designs offer enhanced capabilities for applications requiring specific neutron output characteristics and operational modes.