9 May 2018 Femtosecond core-scanning inscription of tilted fiber Bragg gratings
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Abstract
The results on tilted fiber Bragg gratings (TFBGs) inscription using the method of transverse scanning of the fiber core by a femtosecond laser beam is reported in this paper. As an example, TFBGs consisting of unidirectional and bi-directional grating planes and having a tilt angle up to 9° are created. It is shown that different transverse mode groups of the fiber cladding can be excited with the created structures. The corresponding resonant dips reach the amplitude up to 30 dB that indicates the inscription method efficiency.
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Alexey Wolf, Alexey Wolf, Mikhail Kotyushev, Mikhail Kotyushev, Alexandr Dostovalov, Alexandr Dostovalov, Sergey Babin, Sergey Babin, } "Femtosecond core-scanning inscription of tilted fiber Bragg gratings", Proc. SPIE 10681, Micro-Structured and Specialty Optical Fibres V, 1068112 (9 May 2018); doi: 10.1117/12.2307132; https://doi.org/10.1117/12.2307132
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