Observations of a mode transition in a hydrogen hollow cathode discharge using phase resolved optical emission spectroscopy
Two distinct operational modes are observed in a radio frequency (rf) low pressure hydrogen hollow cathode discharge. The mode transition is characterised by a change in total light emission and differing expansion structures. An intensified CCD camera is used to make phase resolved images of Balmer α emission from the discharge. The low emission mode is consistent with a typical γ discharge, and appears to be driven by secondary electrons ejected from the cathode surface. The bright mode...[Show more]
|Collections||ANU Research Publications|
|Source:||Applied Physics Letters|
|01_Dixon_Observations_of_a_mode_2014.pdf||Published Version||912.23 kB||Adobe PDF|
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