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Thread: negative I.O.R.

  1. #1

    negative I.O.R.

    hi!
    I read a recent Scientific American essay, speaking about metamaterials with negative IOR. Very interesting. I try to obtain such strange images with LW but I noticed that IOR range doesn't allow me to set negative value. It is an understandable choice, cause no natural material has this kind of IOR. But I'd like to simulate ... metamaterials
    Maybe I read a similar thread a lot of time ago, but I can't find it.

    Many thanks
    Gianandrea aka LAV aka gigionaz'
    the ever changing collage of our avatars

    my site

    LW is the zen way to 3D

  2. #2
    NewTek Developer jameswillmott's Avatar
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    http://www.ee.duke.edu/~drsmith/nega...ndex_about.htm

    has a good explanation if anyone is interested.

  3. #3
    thank you. It's the same I read in Scientific American / Le scienze.
    I hope we can achieve the goal with LW. In the paper I read that Veselago used ray trace algorithms to indagate this strange light behaviour.
    Gianandrea aka LAV aka gigionaz'
    the ever changing collage of our avatars

    my site

    LW is the zen way to 3D

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