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The Strathprints institutional repository is a digital archive of University of Strathclyde's Open Access research outputs. Strathprints provides access to thousands of Open Access research papers by University of Strathclyde researchers, including by researchers from the Department of Computer & Information Sciences involved in mathematically structured programming, similarity and metric search, computer security, software systems, combinatronics and digital health.

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Design and simulation of a thermionic cusp gun for a gyro-TWA

Rafferty, EG and He, W and Whyte, CG and Young, AR and Ronald, K and Cross, AW and Phelps, ADR and Thomson, JE (2006) Design and simulation of a thermionic cusp gun for a gyro-TWA. In: UNSPECIFIED.

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Abstract

A thermionic cusp gun is proposed for use in a 3 MW second harmonic X-band gyro-TWA with a helically corrugated waveguide interaction region. The passage of an electron beam through a non-adiabatic magnetic field reversal converts part of the electron beam's axial velocity into axis-encircling transverse velocity. The paper presents the design and simulation of this cusp-based electron gun, yielding a 12 MW, 81.5 A axis-encircling beam with an axial velocity spread Delta v(z) <15% suitable for use in harmonic gyro-devices.