Optical waveguides – Optical fiber waveguide with cladding
Reexamination Certificate
2005-03-01
2005-03-01
Healy, Brian M. (Department: 2874)
Optical waveguides
Optical fiber waveguide with cladding
C385S126000, C385S127000, C398S081000
Reexamination Certificate
active
06862391
ABSTRACT:
The present invention relates to an optical transmission line and the like having a chromatic dispersion with a small absolute value as a whole within a signal wavelength band including S, C, and L bands. This optical transmission line comprises a single-mode optical fiber and a dispersion-compensating optical fiber which are connected to each other; and has, as characteristics of the whole optical transmission line at a wavelength of 1550 nm, a chromatic dispersion with an absolute value of 4 ps
m/km or less, and a dispersion slope of −0.015 ps
m2/km or more but less than 0 ps
m2/km. Its chromatic dispersion has a maximum value within a wavelength range of 1450 to 1530 nm, and a minimum value within a wavelength range of 1570 to 1620 nm.
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Hirano Masaaki
Kato Takatoshi
Tada Akira
Healy Brian M.
Sumitomo Electric Industries Ltd.
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