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2D Diffraction Spacing

  1. Nov 9, 2011 #1
    2D Aperture/Diffraction Spacing

    Hi,

    I have a 2D square spacing of 40um x 40um lattice. I am passing light through the spacing.

    I want to know how much of the light gets through... the transmittance.

    Clearly the light is being blocked by the surrounding lattice wires and the rest of the light passes through the 40um x 40um opening. Hence, I am calculating it as the area of lattice divided by the total area.

    Is this correct?

    Also, it would be interesting to know how the light diffracts as it moves through this 2d opening. And how the size of the square opening affects the amount of light that is diffracted. Anyone know what this is?

    cheeers
     
    Last edited: Nov 9, 2011
  2. jcsd
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