可視化水平區融法生長非線性光學晶體之應用研究(1/2)
Date Issued
2004-05-28
Date
2004-05-28
Author(s)
DOI
922214E002038
Abstract
Growing of high quality single crystal, controlling of dopant
segregation, and optimizing the growing process play an important role
in industrial application of nonlinear optical crystals. However, crystals
growing from the melting ones always distract from its stoichiometric
composition and have anti-site defect. This anti-site defect has bad
effect on the properties of crystals, especially on its application. In
addition, because the dopant has different solubility in solid and liquid,
it will make segregation and non-uniform of crystals when doping.
Through the process by using visual horizontal zone melting method to
get stoichiometric lithium niobate single crystal, we expect to get
stoichiometric single crystal growing technique with low energy cost,
high efficiency, and uniform dopant concentration. Besides doing the
experiment, we also develop two-level numerical method to simulate
the thermal and flow field of the crystal growth and analyze the
optimum crystal growing process. We expect to get the single crystal
growing technique with low energy cost, high efficiency, and uniform dopant concentration.
Publisher
臺北市：國立臺灣大學化學工程學系暨研究所
Type
report
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