蓝宝石单晶因其优良的综合性能而成为最重要的中红外光学材料之一，在军民两用中都具有广泛的应用前景。简述蓝宝石单晶的主要性能；综述蓝宝石单晶的几种重要生长方法及其最新研究成果，并分析了各制备方法的优缺点；介绍了蓝宝石单晶的应用领域及其一些最新成果；最后指出蓝宝石单晶今后的研究重点：(1)改进现有制备工艺及完善近尺寸成型技术；(2)完善蓝宝石单晶的超光滑加工理论及其技术体系。

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