Hollow Cathodes

Hollow cathodes are used for plasma production and neutralization. Plasma Controls has designed, built, tested, and delivered hollow cathode assemblies, associated power units, and gas flow delivery systems.

Custom hollow cathode tips, and tips for existing ion sources, can now be purchased through our online web shop.
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Plasma Diagnostics

Our standard products include an electrostatic energy analyzer (ESA), an ExB probe for mass and charge-state charge state analysis, and Faraday-style and nude-style current density probes.  We have built and delivered emissive probes and Langmuir probes for past clients.

Electrostatic Energy Analyzer (ESA)

An ESA is used to measure energy distribution functions, discriminating particles according to energy-to-charge ratio.

E x B Probe Velocity Filter

An ExB probe, or Wein filter, is a particle velocity detector often used for mass or charge state analysis.

Current Density Probes

We offer both nude-style and collimated-style current density probes.