Oโ centre formation in YAG crystals dope
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Dr. Jiลรญ Kvapil; Josef Kvapil; Bohumil Perner
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Article
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1975
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John Wiley and Sons
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English
โ 316 KB
## Abstract Colour changes of YAG crystals doped with rare earth ions and annealed in hydrogen, oxygen, vacuum or argon are described. The influence of UV irradiation is also given. Some crystals were further doped with Ca, Sr, Ba, or Cr, respectively. Yellow or brown colouring of the crystals is a