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YAG (Y3Al5O12) opticaly stimulated luminescence

  1. Feb 14, 2013 #1
    Hi!

    Can anyone help me with information about pure YAG luminescence spectra
    (ideal case will be excitation with continuous laser source at 367 nm [Nitrogen] )
    or even energy levels diagram?

    Thanks in advance
     
    Last edited: Feb 14, 2013
  2. jcsd
  3. Feb 23, 2013 #2
    As far as I know pure YAG crystal is transparent at this wavelength. What is the reason for the luminescence do you mean?
     
  4. Feb 23, 2013 #3
    Well. I haven't found any references on this theme. It's the main reason why I ask this question.
    The main topic of my research is YAG ceramics (undoped). And it GLOWS with green light
    when I use nitrogen laser as excitation source.
     
  5. Feb 24, 2013 #4
    And does an ordinary crystal YAG glow? May be there are some admixtures?
     
  6. Feb 24, 2013 #5
    Ammonium bicarbonate was used as a precipitator. There is possibility of presence of small portion in sample.
     
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