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《Chinese Journal of Luminescence》 2015-01
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Transmission Charactertistics of Optical Fiber Under Coupled Thermal-optical Effects

ZHOU Ji;HAN Bing;HAN-Hasiaoqier;MA Yu;School of Energy Science and Engineering,Harbin Institute of Technology;Changchun Institute of Optics,Fine Mechanics and Physics,Chinese Academy of Sciences;  
The optical fiber's base-mode transmission and energy loss under integrated thermal boundary conditions were analyzed by using a coupling equation set composed of an electromagnetic beam envelope equation and an energy equation. The impact of the temperature on the material's dielectric coefficient as well as the heat generation induced by energy loss during transmission were taken into account. As the fiber core's radius increases,the electric-field intensity and power dissipation density decrease and the propagation constant increases. Lower ambient temperature,higher convective heat transfer coefficient,and higher surface emissivity can lead to lower propagation constant,higher electric-field intensity,and higher power dissipation density. The changes in power dissipation density and electric-field intensity with the cross-section curvature are not linear and also influenced by other factors.
【Fund】: 国家自然科学基金(51176039)资助项目
【CateGory Index】: TN253
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