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The Strathprints institutional repository is a digital archive of University of Strathclyde research outputs.

Strathprints serves world leading Open Access research by the University of Strathclyde, including research by the Strathclyde Institute of Pharmacy and Biomedical Sciences (SIPBS), where research centres such as the Industrial Biotechnology Innovation Centre (IBioIC), the Cancer Research UK Formulation Unit, SeaBioTech and the Centre for Biophotonics are based.

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Axis-encircling electron beam generation using a smooth magnetic cusp for gyrodevices

He, W. and Whyte, C.G. and Rafferty, E.G. and Cross, A.W. and Phelps, A.D.R. and Ronald, K. and Young, A.R. and Robertson, C.W. (2008) Axis-encircling electron beam generation using a smooth magnetic cusp for gyrodevices. Applied Physics Letters, 93 (12). ISSN 0003-6951

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Abstract

The generation of an annular-shaped axis-encircling electron beam using a smooth magnetic cusp was studied through numerical simulations and experiments for harmonic operation of a gyrodevice. Two magnetic coils were used to form a magnetic cusp located just downstream from the velvet cathode of an accelerator diode. An electron beam of current 34 A and voltage 130 kV with an adjustable velocity ratio α up to 1.2 was fully transported to the downstream uniform magnetic field region and used to drive a gyrotron traveling wave amplifier into saturation. (Abstract copied from: http://apl.aip.org/applab/v93/i12)