Penning ion source test

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Im testing penning ion source that i built, in the range of few kev.
Tested in low and high vacuum, in high vacuum i added ZnS screen, gas hydrogen
 
on Phys.org
That looks like a really fun project. Congratulations! The ZnS screen is a phosphor screen, not a phosphorus screen by the way.
 
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Ok thanks for clearing
 
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