High Bandwidth Multimode Optical Fiber Optimized for Multimode and Single-Mode Transmissions

摘要

It is proposed an optical fiber including an optical core and an optical cladding surrounding the optical core. The optical core has a refractive graded-index profile with a minimal refractive index n1 and a maximal refractive index n0. The optical fiber has a numerical aperture NA and an optical core radius a satisfying a criterion C of quality of optical communications defined by the following equation:;C=NA−0.02×a where:NA=√{square root over (n02−n12)}=n0·√{square root over (2Δ)} with;Δ=n02-n122n02,Δ is the normalized refractive index difference.;The minimal and maximal refractive indexes n1, n0 and the optical core radius a are chosen such that NA>0.20, a>10 μm and |C|<0.20.

主权项

1. An optical fiber comprising:
an optical core; and an optical cladding surrounding the optical core, the optical core having a refractive graded-index profile with a minimal refractive index n1 and a maximal refractive index n0; and said optical fiber having a numerical aperture NA and an optical core radius a satisfying a criterion C of quality of optical communications defined by the following equation:
C=NA−0.02×a where:
NA=√{square root over (n02−n12)}=n0·√{square root over (2Δ)} withΔ=n02-n122n02, Δ is the normalized refractive index difference, and wherein said minimal and maximal refractive indexes n1, n0 and said optical core radius a are chosen such that NA>0.20, a>10 μm and |C|<0.20.