The Numerical Simulation Research In The Growth Procession Of Double Refraction Optical Crystal YVO₄

We article reviewed craftwork characteristic of growth YVO4 crystal by means of Czochralski-CZ. According to method of fimty-difference, we compiled Field Quantity Estimate Program (FQEP) with VC++ that we can numerical simulate temperate-field and velocity-field while YVO4 dual- refractive optics crystal is growing. Here is the result, during YVO4 odd-crystal growing under CZ method, while fusibility contain nature-convection by temp-grads and impose-convection by crystal-circumvolve, which make it difficult to growth large dimension odd-crystal. By numerical simulation method, we simulated changing-curve of temp-grads and velocity-grads while crystal rotate speed was changing, which have very important reference- signification to large-dimension growth of YVO4 odd-crystal.