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Anyone know where I can get some phosphors?

  1. Dec 15, 2008 #1
    This is a bit random, but does anyone have any idea where I can get some Chromium doped Ruby spheres (Cr:Al2O3) or maybe just powder form? I need to build some fiber optic temperature probes for part of my masters thesis but I can't find this stuff anywhere except in liquid form. Apparently, its a cheap and commercially available material as its suppose to be used for lasers but I can't find it anywhere. :cry:
  2. jcsd
  3. Dec 15, 2008 #2


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  4. Dec 16, 2008 #3
    It doesn't absolutely have to be that material but it does need to be something with similar atomic structure and/or fluorescent properties.
  5. Dec 16, 2008 #4
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