Optical fiber for extended wavelength band

Details Optical fiber for extended wavelength band Optical fiber for extended wavelength band

G - Physics

02

B

G02B 6/036 (2006.01)

Patent

CA 2615623

A single-mode optical transmission fiber is disclosed. The fiber includes a glass core having a central cross-sectional area with a first refractive-index peak, an outside ring with a second refractive-index peak higher than the first peak, a first intermediate region between the two peaks having a low-dopant content and a second intermediate region between the first peak and the first intermediate region with a refractive-index depression lower than the first intermediate region. The fiber additionally has a glass cladding surrounding the glass core. A dispersion slope of the fiber is less than about 0.05 ps/nm2/km over a wavelength range of about 1530-1650 nm.

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