Blurness of rings in electron diffraction

  • Thread starter hoshizora
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Hi guys,

I just did an experiment about electron diffraction the other day, and I had a really difficult time measuring the radii of the rings because they were quite blurred at the edges. Anyone knows why they are so blur, especially for the first (innermost) ring?
 

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  • #2
Simon Bridge
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Welcome to PF;
The probably blur for similar reasons that the fringes in Youngs interference are blurry.

Does the theory predict definite clear boundaries for the rings?
 
  • #3
jtbell
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Anyone knows why they are so blur, especially for the first (innermost) ring?
It depends on the apparatus. Can you give us more details about the apparatus?
 

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