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Homework Help: Interference of light

  1. Mar 28, 2012 #1
    Say you have two points that are close to each other emitting light in phase with each other, such as in the diagram below


    Will the interference pattern that results occur all throughout space (all along x and y and z directions), or is there some distance from the points after which there is no more dark/bright spots? My book's answer is that after a few mircometers on the x axis there's no more dark spots....?
  2. jcsd
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