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根据热传导理论,建立了用聚合物热光材料包裹侧边抛磨光纤并在其中埋入电极的热学模型,利用有限元方法对该模型的热场分布进行了数值计算与分析。在器件结构的三维模型中,考查了沿光纤传输的z方向以及光纤截面内的x,y方向,从这三个方向分析和比较了电极单条直放结构与电极螺绕排布结构时热光材料的温度场分布情况。本工作确定了用聚合物热光材料和侧边抛磨光纤来制作新型无源器件时,实现较优温度场分布的合适的电极排布结构方式。
According to the theory of heat conduction, a thermal model was established to encapsulate the side polished optical fiber with polymer thermo-optic material and embed the electrode in it. The thermal field distribution of the model was numerically calculated and analyzed by finite element method. In the three-dimensional model of the device structure, the z-direction along the optical fiber transmission and the x, y directions in the optical fiber cross-section were examined. From the three directions, the direct single electrode structure and the electrode spiral winding arrangement were analyzed and compared. Material temperature distribution. This work has determined the appropriate electrode arrangement structure to achieve better temperature field distribution when the novel passive components are fabricated by using the polymer thermal-optical material and the side polished optical fiber.