Recent content by Maurader

  1. M

    Finding the Gold Coating Thickness for 50% Transmittance and 50% Reflectance

    Does anyone know the thickness of a gold coating that would give me 50% transmittance and 50% reflectance? Thanks, Simon
  2. M

    Why won't the bright spot in my Michelson Interferometer turn dark?

    What I find strange is that my rings have extremely good bright/dark contrast, and this problem of bright/brighter only occurs at the central spot. I am using a cubic beam splitter, and have measured the power intensities of the two beams to be almost identical (.30 mW and .33 mW)
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    Why won't the bright spot in my Michelson Interferometer turn dark?

    Hi all, I've made a Michelson Interferometer with 635 HeNe, and I get nice, contrasty fringes. I have one problem - I cannot get the bright spot in the middle to turn dark! The intensity it has is like bright and brighter, but never dark. Any ideas why? The intensity of the two beams are...
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