Optical fibers with high sensitivity are in demand due to their great potential in sensor application. Semiconductors, such as ZnO, are good materials. Using them as a second cladding offers opportunities in realizing next-generation multimaterial fiber optics. COMSOL Multiphysics is used to simulate heterocore macrobend fiber optics with the same curvature radius but different values of refractive index and thickness of ZnO films. The optimum thickness of ZnO films is identified by determining the loss of optical fibers. Macrobend heterocore fiber optics by adding ZnO thin film has been established by simulating and interpreting the relationship in terms of transmission and refractive index in the evanescent field. These results will provide a reliable fundamental to guide the performance in practice.

中文翻译：

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通过添加ZnO薄膜增强Heterocore宏弯曲光纤的灵敏度

由于在传感器应用中具有巨大的潜力，因此需要具有高灵敏度的光纤。半导体（例如ZnO）是很好的材料。将它们用作第二包层为实现下一代多材料光纤提供了机会。COMSOL Multiphysics用于模拟具有相同曲率半径但折射率和ZnO膜厚度不同的异芯宏弯光纤。ZnO膜的最佳厚度是通过确定光纤的损耗来确定的。通过模拟和解释the逝场中透射率和折射率之间的关系，建立了通过添加ZnO薄膜的Macrobend异芯光纤。这些结果将为在实践中指导性能提供可靠的基础。