NDLI: Autoresonant cavity acceleration

Content Provider	IEEE Xplore Digital Library
Author	McDermott, D.B. Dinh, V.V. Luhmann Jr., N.C.
Copyright Year	1997
Description	Author affiliation: Dept. of Appl. Sci., California Univ., Davis, CA, USA (McDermott, D.B.)
Abstract	Summary form only given. The autoresonance effect is of considerable interest for efficiently accelerating electron beams to multi-MeV energies. Under an ideal autoresonant interaction, the resonance condition of the electrons with the wave, /spl omega/=/spl Omega//sub c0///spl gamma/+k/sub z/v/sub z/, is completely maintained because the two terms on the RHS change to compensate one another. It is incorrectly believed that autoresonance cannot occur in a cavity. However, an autoresonant TE/sub 111/ cavity accelerator has been employed to produce MeV-level electron beams in a distance of only one wavelength with a modest RF power of /spl sim/1 MW. An advantage to operating with a cavity accelerator over a traveling-wave accelerator is the enhancement of the fields by a factor /spl radic/Q which Yields much stronger acceleration. In addition, one can choose to be in resonance with either the forward or backward wave. The most attractive case is where the electrons switch from being in resonance with the backward-wave to resonance with the forward-wave as the axial velocity slows. This leads to an energy gain one order of magnitude higher than in the more conventional case of strictly forward-wave resonance.
Starting Page	224
Ending Page	225
File Size	219455
Page Count	2
File Format	PDF
ISBN	0780339908
ISSN	07309244
DOI	10.1109/PLASMA.1997.604920
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1997-05-19
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Acceleration Electron beams Resonance Electron accelerators Frequency Contracts Bandwidth Circuits Power amplifiers Gain
Content Type	Text
Resource Type	Article
Subject	Atomic and Molecular Physics, and Optics Condensed Matter Physics Electrical and Electronic Engineering

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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