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Radial Grad Colour Filter

  • 04-05-2014 01:39PM
    #1
    5uspect
    Moderators, Arts Moderators Posts: 10,522 Mod ✭✭✭✭


    Hi folks,
    So I'm building a Schlieren system in work and it's going pretty well. Here are some of the first images:
    5F27E05588DC4838B9CDADC0044124F0-0000316742-0003556935-00800L-85D738BFA22D4AFEBC69DE30E7C6EF19.jpg

    Anyway my current set up uses a razor blade to block some of the refracted light resulting in what you see above. I would like to replace this with a colour grad filter like this image:
    305673.png
    This will allow me to quantify the amount of refraction and therefore the temperature. However I cannot find such a filter anywhere online.
    So I guess I'm going to have to try to print one out on transparency.

    Does anyone know anywhere that does custom filters like this? Or somewhere I could get this printed on glass?


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