30 January 2012 Optimal design for hollow fiber inner-coated by dielectric layers with surface roughness
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Abstract
We report the optimal design for hollow fiber inner-coated with metallic and multi-dielectric layers by using ray-optics theory. Transmission characteristics of the multilayer hollow fiber are more dependent on the film surface roughness in infrared region. Comparisons of fibers with smooth and rough films are made and discussed in detail. The optimal design for film thickness, inner radius, the number of layers and refractive indices is presented. The calculation results are important for structure design, material selection and further fabrication of metallic multilayer hollow fiber when considering imperfections in film coating techniques.
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Bang-Shan Sun, Bang-Shan Sun, Xiao-Li Tang, Xiao-Li Tang, Yi-Wei Shi, Yi-Wei Shi, Katsumasa Iwai, Katsumasa Iwai, Mitsunobu Miyagi, Mitsunobu Miyagi, } "Optimal design for hollow fiber inner-coated by dielectric layers with surface roughness", Proc. SPIE 8218, Optical Fibers and Sensors for Medical Diagnostics and Treatment Applications XII, 82180Q (30 January 2012); doi: 10.1117/12.907687; https://doi.org/10.1117/12.907687
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