KDP晶体中的光散射和溶液生长中扩散层的弛豫振荡

V. Bredikhin, G. Galushkina, P. KuznetsovStanislav
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引用次数: 0

摘要

考虑了在周期性进料条件下从溶液中生长出高光学质量晶体(特别是KDP单晶)的问题。KDP晶体快速剖面生长的实验数据表明,晶体质量(光散射)明显依赖于进料参数:进料周期和占空比、进料器高于生长表面的高度和进料强度。理论分析表明,这些效应可以用晶体生长扩散动力学机制中周期性进料时扩散层弛豫的框架来解释。
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Light Scattering in KDP Crystals and Relaxation Oscillations of Diffusion Layer in Crystal Growth from Solutions
The problem of achieving high optical quality of crystals (KDP monocrystals in particular) grown from solutions under conditions of periodic feeding is considered. The experimental data obtained for rapid profiled growth of KDP crystals have demonstrated a pronounced dependence of crystal quality (light scattering) on feeding parameters: period and duty cycle of feeding, feeder height above the growing surface, and feeding intensity. The theoretical analysis has shown that these effects can be explained within the framework of diffusion layer relaxation at periodic feeding in the diffusion-kinetic regime of crystal growth.
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