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Estimating irradiance on a square planar surface

  1. Dec 1, 2014 #1
    Hi, I have a simple problem.

    A Lambertian emitter has the shape of a square planar surface, with area Ae=4mm2,
    total power P=1mW, and is located in yz plane.
    Another square planar surface, with area Ad=6mm2, is located in the
    xy plane, at a distance d=10cm to the Ae, and is tilted 20 Degrees toward the Ae
    (see attached picture).

    How do I go about to compute or estimate irradiance at Ad ?

    Attached Files:

  2. jcsd
  3. Dec 1, 2014 #2
    Is there really is no one who can answer or give advice on this problem ?
    What if instead of Ad I would have a Lambertian point source with the same power,
    would this make it easier to give an estimate of irradiance on Ae surface ?
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