I have often posted information here regarding anode glow, e.g. see:
http://www.mtaonline.net/~hheffner/BlueAEH.pdfAlso, the light production of cathode hot spots in SPAWAR experiments has been of interest. The existence of low voltage cathodic luminescence may therefore also be of related interest. See:
Chttp://article.pubs.nrc-cnrc.gc.ca/ppv/RPViewDoc? issn=1480-3291&volume=55&issue=7&startPage=1193
http://tinyurl.com/yjojquj Best regards, Horace Heffner http://www.mtaonline.net/~hheffner/

