Plasma experiments

in special atmospheres (argon or low pressure air)

Plasma Tube
arcs in atmospheric pressure argon

Light bulb plasma globe
using an argon-filled light bulb and an AC hv power supply to create beautiful discharges

DC discharge in low pressure air
low pressure glow discharge in a glass tube

AC discharge in low pressure air 1
discharge in a pickle jar - powered by capacitively coupled high voltage

AC discharge in low pressure air 2
using an empty bottle instead of a pickle jar

AC discharge in low pressure air 3
jar with a chicken wire electrode

Microwave Plasma
microwave powered plasma inside an evacuated preserving jar