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Sub-MeV ultra-compact linac for radioactive isotope sources replacement, non-destructive testing, security and medical applications

Journal Article · · Nuclear Instruments and Methods in Physics Research. Section B, Beam Interactions with Materials and Atoms
 [1];  [2];  [2];  [2];  [2];  [2]
  1. RadiaBeam Technologies, LLC, Santa Monica, CA (United States); RadiaBeam Systems, LLC
  2. RadiaBeam Technologies, LLC, Santa Monica, CA (United States)
+ Show Author Affiliations
RadiaBeam Technologies, LLC has developed an inexpensive, hand-portable 180 keV electron accelerator to replace 57Co radionuclide sources in Cascade Header Enrichment Monitor detectors. We used two innovative technologies in our design: a Ku-band (1 cm wavelength) magnetron, and a split accelerating structure design to reduce manufacturing costs. In this paper, we will discuss the accelerator, including X-ray convertor and accelerating structure design. The results of RF measurements of a Ku-band split structure prototype will also be reviewed. Other applications of Ku-band linacs include compact backscatter and transmission X-ray security inspection systems, as well as computed tomography (CT) systems for luggage and parcel screening. The main requirement for luggage inspection systems is that the X-ray source must be extremely compact. Further, the required energies should cover the range from 180 keV to 1 MeV. In this paper, we will discuss the linac’s energy scalability and other modifications that will enable our technology to address these applications.
Research Organization:
RadiaBeam Technologies, LLC, Santa Monica, CA (United States)
Sponsoring Organization:
USDOE; USDOE National Nuclear Security Administration (NNSA); \
Grant/Contract Number:
SC0015722
OSTI ID:
1593403
Alternate ID(s):
OSTI ID: 1562727
Journal Information:
Nuclear Instruments and Methods in Physics Research. Section B, Beam Interactions with Materials and Atoms, Journal Name: Nuclear Instruments and Methods in Physics Research. Section B, Beam Interactions with Materials and Atoms Journal Issue: C Vol. 459; ISSN 0168-583X
Publisher:
ElsevierCopyright Statement
Country of Publication:
United States
Language:
English

References (6)

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journal October 1985
Electron dynamics simulations with Hellweg 2D code
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journal June 2010
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High speed, low dose, intelligent X-ray cargo inspection conference October 2015
ACTM: Adaptive Computed Tomography With Modulated-Energy X-Ray Pulses conference October 2017
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Related Subjects

46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY
57Co
Ku-band
computed tomography
micro-linac
non-destructive testing
radioisotope replacement
safeguards
security inspection
split linac
uranium enrichment