Diffraction grating interference

  • Thread starter Bengo
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  • #1
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Main Question or Discussion Point

Hello,

I'm having a hard time understanding why diffraction grating spots are narrower than those produced by a double slit set-up. I would really appreciate a conceptual understanding but math works too.

Thank you
 

Answers and Replies

  • #2
Simon Bridge
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There is more opportunity for interference which will reinforce the peaks at the expense of the edges of the spots.
To get this properly you need to become more familiar with interference effects.
 
  • #3
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I thought there is less opportunity for interference since there are more slits. I've read more about interference but it's still not clicking with me
 

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