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Optics: Design of Beamsplitter Ge on KBr substrate

  1. Nov 16, 2014 #1
    Hi there, im making a beam splitter for an FTIR, but I do not know the anatomy of a beamsplitter of this type, does anybody have information on the design of these?

    I plan to order KBr crystal windows and apply the Ge coating myself using physical vapor deposition and assuring quality with a calo tester. I just dont know how thick i need it and how i get it to actually split the HeNe laser
  2. jcsd
  3. Nov 17, 2014 #2
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