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从Ti∶LiNbO3波导截面折射率分布的特点出发，得出一套计算传播常数简单而精确的方法。文中对该法进行了分析，并应用该方法计算了钛扩散波导的色散关系。该方法为钛扩散光波导集成光学器件的设计提供了一种较可靠的理论手段。
Based on the characteristics of the refractive index profile of the Ti: LiNbO3 waveguide, a simple and accurate method of calculating the propagation constant is derived. In this paper, the method is analyzed, and the dispersion relation of Ti diffusion waveguide is calculated by this method. The method provides a more reliable theoretical method for the design of the titanium integrated optical waveguide integrated optical device.