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Theoretical Studies on the Microsphere Resonator Coupled by Biconical Tapered Fiber and the Fabrication System Heating by CO2 Laser

Abstract

本论文研究利用CO2激光作为热源加工制备熔锥光纤耦合型光学球微谐振腔器件。搭建球微腔及其耦合用熔锥光纤的一体化制备装置,完成了微米量级的球微腔的制备。理论上,讨论了熔锥光纤耦合型光学球微谐振腔器件对于熔锥锥腰直径和球微腔直径的要求。对熔锥光纤和微球之间的耦合性质进行研究。文章首先对近年来球微腔特性的研究状况和球微腔耦合器的近期发展作了简要回顾。从通信波段应用的角度出发,选择了现今比较成熟的熔锥光纤耦合型球微腔光器件作为研究对象。在对几种球微腔和熔锥光纤的制备方法进行比较后,选择了CO2激光作为热源进行加工制备。通过对球微腔的光场特性和熔锥光纤的传输特性各自独立的分析,给出球腔直径和熔锥光纤锥腰...In this paper, we had studied the CO2 laser fabrication of microsphere resonators coupled by biconical tapered fibers. The integrated fabrication system of melt-drawn biconical tapered fibers and microsphere resonators using a CO2 laser as its heat source has been developed. Silica micospheres and glass microspheres doped by Nd+3 had been made using this fabrication system. The sizes of the micros...学位:理学博士院系专业:物理与机电工程学院物理学系_凝聚态物理学号:B20022400

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