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Spatial frequency-coherence

  1. Jan 1, 2008 #1
    in an optical system, there's what they call coherence term. its symbolised by sigma. there's a relation between the spatial frequency and this term.
    if an optical system has a big sigma it will had then a better resolution? or what?
    and whats the relation between the spatial frequency and the resolution???
  2. jcsd
  3. Jan 8, 2008 #2

    Claude Bile

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    Science Advisor

    The maximum resolution you can get fundamentally is the maximum spatial frequency you can capture. The operative term you should keep in mind here is maximum, there a lots of other things that can degrade resolution.

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