MELT GROWTH OF ND - Y3AL5O12 (ND-YAG) USING THE HEAT-EXCHANGE METHOD (HEM)

被引：16

作者：

CASLAVSKY, JL

VIECHNICKI, D

机构：

[1] US Army Materials and Mechanics Research Center, Watertown

来源：

JOURNAL OF CRYSTAL GROWTH | 1979年 / 46卷 / 05期

关键词：

D O I：

10.1016/0022-0248(79)90175-1

中图分类号：

O7 [晶体学];

学科分类号：

0702 ; 070205 ; 0703 ; 080501 ;

摘要：

Pure and Nd doped Y3Al5O12 (YAG and Nd : YAG) single crystals weighing 2180 g and 7.62 cm in diameter have been grown using the Heat Exchanger Method (HEM). Furnace modifications were necessary to achieve the planar solid-liquid growth interface needed to avoid faceted growth. Crystals doped with 0.6-0.8 at% Nd were free of scattering centers over 90% of their volume while crystals doped with 1.1 at% Nd were only free of scattering centers over 50% of their volume. These scattering centers contained voids and either YAlO3 or Al2O3 depending upon melt composition. Fluorescent lifetime of 3 × 30 mm laser rods fabricated from HEM grown crystals doped with 0.6-0.8 at% Nd was 254 ± 2.5 μsec. © 1979.

引用

页码：601 / 606

页数：6

共 11 条

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