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Refine Yttria Powder and Fabrication of Transparent Yb,Cr:YAG Ceramics

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Abstract:

Commercial Y2O3 powders were subjected to high energy ball milling in a planetary ball mill using high purity alumina balls and vial. The refined Y2O3 power ,with commercial high-purity Al2O3, Cr2O3 and Yb2O3 powders, were used as raw materials. Transparent ytterbium and chromium codoped yttrium aluminum garnet (Yb,Cr:YAG) ceramics were fabricated by a solid-state reaction method. The Yb,Cr:YAG ceramics exhibit a pore free structure and the average grain size is about 10 micron. The strong absorptions at 940 and 968 nm of Yb3+ are suitable for InGaAs diode laser pumping, and there is an absorption band at 1030 nm, which is suitable for passive Q-switch laser output at 1030 nm. Transparent Yb,Cr:YAG ceramics may be a potential material for compact, efficient, high-stability diode-laser-pumped passive Q-switched solid-state lasers.

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Periodical:

Advanced Materials Research (Volumes 15-17)

Pages:

246-250

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.15-17.246

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Online since:

February 2006

Authors:

Yu Song Wu, Jiang Li, Yu Bai Pan, Jing Kun Guo, Qian Liu

Keywords:

Fabrication, High-Energy Ball Milling (HEM), Solid-State Reaction, Spectrum Properties, Transparent Ceramic

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© 2007 Trans Tech Publications Ltd. All Rights Reserved

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