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本文报道了对KTiOPO_4晶体平面波导的制导和研究的结果,利用m线方法测量了其有效折射率,并利用WKB近似计算了Z~-和Z~+面上的折射率n_x、n_y,n_z的分布曲线和扩散系数;发现了离子交换过程中折射率变化的一个奇异点.
In this paper, the results of the guidance and study of KTiOPO_4 crystal planar waveguide are reported. The effective refractive index is measured by m-line method and the refractive indices n_x, n_y and n_z of Z ~ - and Z ~ + are calculated by WKB approximation Distribution curve and diffusion coefficient; a singular point of change of refractive index in ion exchange process was found.