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What is the best material for my desired reflectivity?

  1. Nov 11, 2006 #1
    I need a good reflecting collimation material that is faily cheap and has a reflectivity of about 95% for both infrared and visible light. I know polished aluminum meets the criteria for the infrared, and the fused silica also works well for the visible spectrum, but I need somthing that can collimate both.
  2. jcsd
  3. Nov 12, 2006 #2

    Claude Bile

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    Science Advisor

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