有机聚合物热光器件热场的解析模型

Analytical Model of Thermal Field in Polymer Thermo-Optic Devices

根据傅里叶导热定律 ,采用分离变量的方法 ,导出有机聚合物热光器件热场分布的解析表达式 ,该解析计算结果同采用 FD- BPM法计算机模拟结果进行比较 ,平均相对误差不超过 4 % ,并运用光线法分析全内反射型热光开关的光束在热场中的传输规律 。

Based on the principle of Fourier heat conduction, an analytical expression of thermal field distribution in polymer thermo optic devices is got by utilizing the method of separating variables. Comparing the solution with the result simulated by computer from the FD BPM arithmetic, the average relative error based on the analytical expression is no more than 4 percentages. Based on the model, the rays method is used to analyze the propagation of light in thermal field of thermal total internal reflection optical switch. This is of advantage to understand the physics model in polymer thermo optic devices by utlizing the analytical model.