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Refractive Index Profiling of a Core-Doped Photonic Crystal Fiber

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4 Author(s)
Youk, Y. ; Dept. of Inf. & Commun., Gwangju Inst. of Sci. & Technol. ; Soan Kim ; Kyunghwan Oh ; Dug Young Kim

Direct refractive index profiling for a core-doped photonic crystal fiber with complex and nonsymmetric refractive index structure has been demonstrated for the first time. A new index profiling technique based on a reflectivity measurement technique using a confocal microscope has been employed. This improved, straightforward, and robust method enables us to measure the index structure of a complex structured fiber with high refractive index precision and spatial resolution

Published in:

Photonics Technology Letters, IEEE  (Volume:19 ,  Issue: 11 )