Effect of the Geometries of Ge-Sb-Se Chalcogenide Glass Tapered Fiber on the Sensitivity of Evanescent Wave Sensors
Journal of Lightwave Technology(2021)
摘要
A geometrical optimization study of Ge-Sb-Se chalcogenide glass tapered fiber sensors for concentration sensing of methanol is presented. The effects of the geometrical parameters such as taper waist diameter and transition region lengths on the evanescent wave penetration depth are discussed based on the ray-tracing theory. Numerical analysis results demonstrate that the performance of the tapere...
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关键词
Optical fiber sensors,Sensors,Optical fiber theory,Sensitivity,Glass,Sensor phenomena and characterization,Refractive index
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