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采用Z片籽晶和锥头籽晶分别进行传统降温法生长KDP晶体,并对其高分辨摇摆曲线、锥光干涉图以及消光比进行测试研究。实验发现,KDP晶体在不同籽晶下均能实现较好的生长稳定性,采用锥头籽晶生长的KDP晶体具有相对更好的晶体质量。
Z crystal and cone seed crystals were used to grow KDP crystal by conventional cooling method respectively. The high resolution rocking curve, cone interference diagram and extinction ratio were studied. It was found that KDP crystal could achieve better growth stability under different seed crystals and KDP crystal grown by cone seed crystal had relatively better crystal quality.