Sofia del Pozo

An RF Excited Plasma Cathode Electron Beam Gun Design
Sofia del Pozo, Colin Ribton, David R. Smith

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A plasma cathode electron beam (EB) gun is presented in this work. A radio frequency (RF) excited plasma at 84 MHz was used as the electron source to produce a beam power of up to 3.2 kW at -60 kV accelerating voltage. The ...  read more

Investigation of long-life cathode EB guns for welding of turbochargers
Sofia del Pozo, Colin Ribton

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This paper describes a laser heated cathode gun design which uses a lanthanum hexaboride button in a diode configuration. Beam currents up to 40 mA at – 60 kV were generated by using laser powers in the range of 19 to 83 ...  read more

Design of electron guns using a bespoke genetic algorithm
Colin Ribton, Sofia del Pozo, Wamadeva Balachandran, David Ryan Smith

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Electron beams are used in many different industrial, medical and scientific applications. Each area has many specific requirements that can only be met with bespoke gun designs producing beams with the required intensity, ...  read more