Meiho University Institutional Repository:Item 987654321/1124
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    MUIR > College of Human Ecology > Department of Gemology > Papers >  Item 987654321/1124


    Please use this identifier to cite or link to this item: http://ir.meiho.edu.tw/ir/handle/987654321/1124


    Title: Simulation and experiment on laser-heated pedestal growth of chromium-doped yttrium aluminum garnet single-crystal fiber
    Authors: Chun-Lin Chang;Sheng-Lung Huang;Chia-Yao Lo;Kuang-Yao Huang;Chung-Wen Lan;Wood-Hi Cheng;Peng-Yi Chen
    Contributors: Institute of Photonics and Optoelectronics, National Taiwan University, Taipei 10617, Taiwan;Department of Electrical Engineering, National Taiwan University, Taipei 10617, Taiwan;Institute of Optoelectronic Sciences, National Taiwan Ocean University, Keelung 20224, Taiwan;Department of Chemical Engineering, National Taiwan University, Taipei 10617, Taiwan;Department of Photonics, National Sun Yat-sen University, Kaohsiung 80424, Taiwan;Department of Gemology, Meiho University, Pingtung 91202, Taiwan
    Keywords: Heat transfer;Fluid flows;Laser heated pedestal growth;Single crystal growth;Yttrium compounds
    Date: 2011
    Issue Date: 2011-09-22T05:14:26Z (UTC)
    Abstract: The laser-heated pedestal growth (LHPG) of chromium-doped yttrium aluminumgarnet (Cr:YAG) singlecrystal fibers in /1 1 1S direction was investigated via a two-dimensional (2D) simulation which is verified by experimental observations on the interface shapes. Radial dopant profiles at the growth front in simulations were consistent with that of the grown crystal fibers in ex-situ measurements. The
    concentration level and distribution compared to the corresponding fluid flow and heat transfer were reported to visualize the phenomena that cannot be observed easily. It is viable to adjust the shape of air/ melt interface, the distribution of mass flow rate, and especially the shape of growth front for acquiring a desirable radial dopant profile.
    Relation: Journal of Crystal Growth 318 (2011) 674–678
    Appears in Collections:[Department of Gemology] Papers

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