期刊
SCIENTIFIC REPORTS
卷 12, 期 1, 页码 -出版社
NATURE PORTFOLIO
DOI: 10.1038/s41598-022-08329-3
关键词
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资金
- Canada Foundation for Innovation [5180]
- Fonds de recherche du Quebec-Nature et technologies
- Natural Sciences and Engineering Research Council of Canada [CRDPJ-543631-19, IRCPJ469414-18, RGPIN-2016-05877]
We propose an efficient method to determine the effective refractive index of step-index optical fibers and infer their dispersion properties. The validity of the method is confirmed through the writing of fiber Bragg gratings and applied to different materials.
We propose an efficient method to determine the effective refractive index of step-index optical fibers from the visible to the mid-IR and thus allowing to infer their dispersive properties over a broad spectral range. The validity of the method, based on the writing of an array of fiber Bragg gratings (FBGs) with known periods using the fs scanning phase mask technique, is first confirmed with a standard silica fiber, then applied to various fluoride glass fibers to determine their effective refractive index and dispersion over more than three octaves, i.e. from 550 to 4800 nm.
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