Temperature-dependent optical resonance in a thin-walled tubular oxidemicrocavity |
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| Authors: | Yangfu Fang Xianyun Lin Shiwei Tang Borui Xu Jiao Wang Yongfeng Mei |
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| Affiliation: | Department of Materials Science, Fudan University, Shanghai 200433, China,Department of Materials Science, Fudan University, Shanghai 200433, China,Department of Physics, Faculty of Science, Ningbo University, Ningbo, Zhejiang 315211, China,Department of Materials Science, Fudan University, Shanghai 200433, China,School of Information Science & Engineering, Fudan University, Shanghai 200433, China and Department of Materials Science, Fudan University, Shanghai 200433, China |
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| Abstract: | This work proposes a temperature-response capability of optical resonance in tubular optical oxidemicrocavities. The thin wall thickness with a subwavelength scale enables these microcavities to interact withthe environment effectively. By optimization of the geometries and materials, the tubular microcavities can betuned into temperature-inert in vacuum, and the experiments support this design. The experiments prove theidea of utilizing them as temperature-inert microcavities. Contrary wavelength shifts from previous studies wereobserved, which can be explained with the theoretical model. Furthermore, the theoretical results of the presentwork suggest that novel rolled-up microtubes could act as an exceptional optical microcavity for the applicationin temperature response. |
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| Keywords: | MicrocavitiesRolled-upWhispering gallery mode (WGM)Temperature-responseMie scattering method |
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