Crystal growth of Cr, Ca(Mg):Y3Al5O12 with high Cr4+-doping concentration

Peizhen Deng; Jun Xu; Heyu Zhong; Jingwen Qiao; Fuxi Gan

Conference on Lasers and Electro-Optics
OSA Technical Digest (Optica Publishing Group, 1996),
paper CWF40

Crystal growth of Cr, Ca(Mg):Y₃Al₅O₁₂ with high Cr⁴⁺-doping concentration

Peizhen Deng, Jun Xu, Heyu Zhong, Jingwen Qiao, and Fuxi Gan

Conference on Lasers and Electro-Optics 1996

Anaheim, California United States
2–7 June 1996
ISBN: 1-55752-443-2

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P. Deng, J. Xu, H. Zhong, J. Qiao, and F. Gan, "Crystal growth of Cr, Ca(Mg):Y3Al5O12 with high Cr4+-doping concentration," in Conference on Lasers and Electro-Optics, J. Bowers, D. Miller, D. Scifres, and A. Weiner, eds., Vol. 9 of OSA Technical Digest (Optica Publishing Group, 1996), paper CWF40.

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Abstract

When chromium is doped into Y₃Al₅O₁₂ (YAG), it substitues for aluminimun and normally occupies octahedral sites as Cr³⁺, However, the active center giving 1.35-1.6-μm emission is Cr⁴⁺, Therefore, obtaining high concentrations of Cr⁴⁺ and to therefore improve the NIR absorption, is the key to grow Cr⁴⁺-doped YAG crystals.

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