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搭建了涡旋光在多层介质膜中的传输模型,分析了涡旋光垂直入射下膜系内的温升分布。结果表明,膜系内的温升分布与涡旋光入射面密切相关。当涡旋光在初始面入射时,膜系的温升区域集中在入射中心。当涡旋光在空间中传输一定距离后再入射膜系时,膜系温升区域向入射中心的两侧发散,且最大温升大于初始面入射时的温升。当传输距离足够远时,膜系最大温升随传输距离的增加而减小。另外,在一定传输距离内,膜系最大温升随拓扑荷数的增大而增加。传输距离足够远时,最大温升随拓扑荷数的增大而减小。
The transmission model of vortex light in multi-layer dielectric film was built, and the temperature rise distribution in the film system with vortex light incident perpendicularly was analyzed. The results show that the temperature distribution in the film system is closely related to the incident plane of vortex light. When the vortex light is incident on the initial plane, the temperature rise region of the film system is concentrated at the entrance center. When the vortex light transmits a certain distance in the space and then enters the film system, the temperature rise area of the film diverges to both sides of the incidence center, and the maximum temperature rise is larger than that of the initial surface incidence. When the transmission distance is far enough, the maximum temperature rise of the membrane decreases with the increase of transmission distance. In addition, within a certain transmission distance, the maximum temperature rise of the membrane increases with the increase of the topological charge. When the transmission distance is far enough, the maximum temperature rise decreases with the increase of the topological charge.