MULTIMODE OPTICAL FIBERS OPERATING OVER AN EXTENDED WAVELENGTH RANGE AND SYSTEM INCORPORATING SUCH

摘要

According to some embodiments, a multimode optical fiber comprises a graded index glass core with refractive index Δ1, a maximum refractive index delta Δ1MAX, and a core radius between 10 and 40 microns; and cladding region surrounding the core comprising refractive index Δ4, wherein the fiber exhibits an overfilled bandwidth exhibits an overfilled bandwidth of at least 3 GHz-km at a wavelength of 850 nm and an overfilled bandwidth of at least 1.2 GHz-km at one or more wavelengths between 980 and 1060 nm.

主权项

1. A multimode optical fiber comprising:
a graded index glass core comprising refractive index Δ1, a maximum refractive index delta Δ1MAX, and a radius R1 between 11 and 23.75 microns; and cladding region surrounding said core, wherein said fiber core has an alpha value between 2.05 and 2.15, a peak modal bandwidth wavelength λp>860 nm and said fiber exhibits an overfilled bandwidth of at least 3 GHz-km at a wavelength of 850 nm and an overfilled bandwidth of at least 1.2 GHz-km at one or more wavelengths between 980 nm and 1060 nm.