Medium vacuum, low pressure plasma experiments, w/ electron beam!!
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Uploaded by talktoyourself on Feb 15, 2010
*Please read my "About me" section on my profile if you like the nature of my videos*
In this setup I have modified my vacuum pump to include a more perfect seal, and in the process have greatly increased its pumping ability. The pressures I am attaining in this video are anywhere from 100Pa-10Pa. The voltage source I am using is a HV (~5Kv) low current source so no one gets shocked. The main purpose of this video is to show some of the effects of high strength magnets on electron beams, and to demonstrate minor crookes tube fluorescence effect.
"When the electrons strike atoms in the glass, they knock their orbital electrons into a higher energy level. When the electrons fall back to their original energy level, they emit light. This process, called fluorescence, causes the glass to glow, usually yellow-green."
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