Optimal design for hollow fiber inner-coated by dielectric layers with surface roughness

Bang-Shan Sun; Xiao-Li Tang; Yi-Wei Shi; Katsumasa Iwai; Mitsunobu Miyagi

doi:10.1117/12.907687

30 January 2012 Optimal design for hollow fiber inner-coated by dielectric layers with surface roughness

Bang-Shan Sun, Xiao-Li Tang, Yi-Wei Shi, Katsumasa Iwai, Mitsunobu Miyagi

Proceedings Volume 8218, Optical Fibers and Sensors for Medical Diagnostics and Treatment Applications XII; 82180Q (2012) https://doi.org/10.1117/12.907687
Event: SPIE BiOS, 2012, San Francisco, California, United States

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.

Citation Download Citation

Bang-Shan Sun, Xiao-Li Tang, Yi-Wei Shi, Katsumasa Iwai, and 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); https://doi.org/10.1117/12.907687

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