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Electron beam

  1. Aug 19, 2013 #1
    hello every body

    Can anyone help me for searching about this topic,

    How to generate electron beam?

    I want few information about electron source, in a simple explanation,
    and namely, not complete explanation .
    please help me.

    thanks.
     
  2. jcsd
  3. Aug 19, 2013 #2

    phinds

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    2016 Award

    Have you tried Google? This sounds like something that would get a LOT of hits, including some useful ones.
     
  4. Aug 19, 2013 #3

    mfb

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    2016 Award

    Staff: Mentor

  5. Aug 19, 2013 #4
    yes, I did.

    I want to know the order of tools for electron generation and source, I have not found something in brief,

    I mean about he verity at electron guns? how many kind of electron gun we have?
     
  6. Aug 19, 2013 #5

    thank you so much,
    yes I studied them first , but there is no good explanations about the tools we use for generation of electron beam, I mean scientific answers about electron generation .
     
  7. Aug 19, 2013 #6

    ZapperZ

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    2016 Award

    Look up photoelectric effect and thermionic emission.

    Zz.
     
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