高品质光学级单面生长石英晶体的生长技术研究

采用水热温差法,研发了一种高品质光学级单面生长石英晶体技术,分析了光学级石英晶体单面生长原理和关键技术,并对所制备的光学级单面生长石英晶体的性能进行了测试与表征。研究结果表明:采用单面生长技术能极大地减少石英晶体内部缺陷,制备出的石英晶体具有极高的品质,其中包裹体指标、条纹指标达和光学均匀性分别达到国家标准GB/T7895-2008中的Ia级、1级和A级,达到了目前国家标准中的顶尖水平。

Study on Growth Technology of High-quality Unilaterally Grown Optical Grade Quartz Crystal

A unilaterally grown technology of high-quality optical grade synthetic quartz crystal was developed by means of hydrothermal method,and the growth principle and key technologies of unilaterally grown technology were analyzed in detail.The properties of obtained unilaterally grown optical grade synthetic quartz crystal were characterized.The results show that the unilaterally grown technology can greatly reduce the defects in quartz crystals.The obtained quartz crystal has excellent quality as the inclusion index,striae index and optical homogeneity reach the Ia,1 and A level according to the national standard GB/T7895-2008,which has reached the top level in the current national standard.