Figure 5
(click on image for figure alone)
Fig. 5. A low energy beam is injected across a magnetic field
as in Fig. 1. The cyclotron radius is decreased. Note the dark
gap between the cathode and beam onset. In this sheath region
the electrons still have insufficient energy for light
excitation.
Return to Beam page.
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Dr. Stenzel's page.
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Last Revision: 25 January 2000.