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Accuracy of two dimensional interferometers

  1. Mar 30, 2014 #1
    Hi,

    the accuracy of interferometers for finding emitting direction in one direction is given as:

    Δθ = Δφ•λ/(2pi•l•cosθ)

    but what would it be if two dimensional accuracy is required, something like interferometer in crossing?

    I thought this could be found somewhere in Internet, but I just don’t have luck.

    Senmeis
     
  2. jcsd
  3. Mar 30, 2014 #2

    meBigGuy

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    Gold Member

    I don't understand the physical setup and what you are trying to find.
     
  4. Apr 1, 2014 #3
    This angular error is only valid for one dimension. I wonder what is the combined angular error if two crossed inteferometers are used.

    Senmeis
     
  5. Apr 1, 2014 #4

    sophiecentaur

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    Are you suggesting a two dimensional (rectangular) array or just a pair of crossed linear arrays?
     
  6. Apr 4, 2014 #5
    a pair of crossed linear arrays

    Senmeis
     
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