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Ge-P co-doped multimode optical fiber

机译:Ge-P共掺杂多模光纤

摘要

According to at least one embodiment, the graded index multimode fiber (10) is a silica-based core (20) co-doped with (i) GeO2 and 1-12 mol% P2O5, A core (20) having alpha, α1 and α2, and having a wavelength (λ) in the range of 840 to 1100 nm and being 1.8≰α1≰2.4, 1.9≰α2≰2.4, and (ii) A silica-based cladding region (200) surrounding the core, wherein the fiber has a numerical aperture NA, and 0.185 NA 0.25 (more preferably 0.185≰NA≰0.23). . Preferably, the refractive index of the silica-based cladding region (200) surrounding the core (20) is lower than that of pure silica.
机译:根据至少一个实施方案,所述渐变折射率多模光纤(10)是共掺杂有(i)GeO 2和1-12mol%P 2 O 5的二氧化硅基纤芯(20),具有α,α1和α的纤芯(20)。 α2,并且具有在840至1100nm范围内的波长(λ),并且是1.8≰α1≰2.4、1.9≰α2≰2.4,以及(ii)围绕芯的二氧化硅基包层区域(200),其中纤维具有数值孔径NA,并且0.185 <NA <0.25(更优选为0.185≰NA≰0.23)。 。优选地,围绕芯(20)的基于二氧化硅的包层区域(200)的折射率低于纯二氧化硅的折射率。

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