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Title: Laser-free RF-gun as a combined source of THz and ps-sub-ps X-rays

Journal Article · · Physics Procedia
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  1. RadiaBeam Technologies, Santa Monica, CA (United States)
  2. Idaho State Univ., Pocatello, ID (United States); Idaho Accelerator Center, Pocatello, ID (United States)
  3. Idaho State Univ., Pocatello, ID (United States)
  4. Idaho Accelerator Center, Pocatello, ID (United States)
  5. European Spalation Source, Lund (Sweden)
  6. Pulsar Physics, Eindhoven (Netherlands)
  7. Argonne National Lab. (ANL), Argonne, IL (United States)
+ Show Author Affiliations

A coherent, mm-sub-mm-wave source driven by a RF electron gun is proposed for wide research applications as well as auxiliary inspection and screening, safe imaging, cancer diagnostics, surface defectoscopy, and enhanced time-domain spectroscopy. It allows generation of high peak and average THz-sub-THz radiation power provided by beam pre-bunching and chirping in the RF gun followed by microbunching in magnetic compressor, and resonant Cherenkov radiation of an essentially flat beam in a robust, ~inch-long, planar, mm-sub-mm gap structure. The proof-of-principle has been successfully demonstrated in Phase I on a 5 MeV beam of L-band thermionic injector of Idaho Accelerator Center. The system can also deliver an intense, ps-sub-ps bursts of low-to-moderate dose of relativistic electrons and X-ray radiation produced by the same beam required for pulsed radiolysis as well as to enhance screening efficiency, throughput and safety.

Research Organization:
Argonne National Lab. (ANL), Argonne, IL (United States)
Sponsoring Organization:
USDOE
Grant/Contract Number:
SC-FOA-0000760; AC02-06CH11357
OSTI ID:
1194122
Journal Information:
Physics Procedia, Vol. 66, Issue C; ISSN 1875-3892
Publisher:
ElsevierCopyright Statement
Country of Publication:
United States
Language:
English

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Related Subjects

43 PARTICLE ACCELERATORS
terahertz
radiation
X-rays
electron beam
RF gun
Cherenkov
sub-ps
pulse
alpha-magnet
slow-wave structure
group velocity