| 摘要 |
An optical waveguide fiber having a zero-dispersion wavelength less than 1450 nm, a dispersion slope at a wavelength of 1550 of less than 0.06 ps/nm<SUP>2</SUP>/km nm, and attenuation at a wavelength of 1550 nm less than 0.190 dB/km. Optical fibers are disclosed that exhibit an effective area at a wavelength of 1550 nm of greater than 50 mum<SUP>2</SUP>, and dispersion at a wavelength of 1550 nm between 5 and 15 ps/nm-km.
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