Optical fiber

Details Optical fiber Optical fiber

2005-02-08

2005-02-08

Healy, Brian M. (Department: 2874)

Optical waveguides

Optical fiber waveguide with cladding

C385S124000, C385S127000, C398S081000, C398S147000

Reexamination Certificate

active

06853784

ABSTRACT:
The present invention relates to an optical fiber comprising a structure enabling WDM transmissions by utilizing the whole wavelength range of 1300 nm to 1625 nm as a signal wavelength band. In the optical fiber according to the present invention, the transmission loss is 0.4 dB/km or less at a wavelength of 1310 nm, 0.4 dB/km or less at a wavelength of 1383 nm, and 0.3 dB/km or less at a wavelength of 1550 nm. The chromatic dispersion is 0.1 ps
m/km or more but 5.5 ps
m/km or less at a wavelength of 1383 nm, and 0.1 ps
m/km or more but 16.5 ps
m/km or less in the wavelength range of 1530 nm to 1565 nm. The cut off wavelength at a length of 22 m is 1300 nm or less, and the absolute value of dispersion slope in the wavelength range of 1300 nm to 1625 nm is 0.1 ps
m2/km or less.

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