Zl. Petrovic et Av. Phelps, CONSTRICTIONS IN CATHODE-DOMINATED, LOW-PRESSURE ARGON DISCHARGES, IEEE transactions on plasma science, 24(1), 1996, pp. 107-108
The spatial development of constrictions across the cathode of a low-p
ressure, quasi-steady-state discharge in argon is recorded as a functi
on of discharge current through the use of charge-coupled device (CCD)
camera observations of light emission through a semitransparent anode
.