Optical waveguides – Optical fiber waveguide with cladding
Reexamination Certificate
2005-03-08
2005-03-08
Healy, Brian (Department: 2883)
Optical waveguides
Optical fiber waveguide with cladding
C385S027000
Reexamination Certificate
active
06865326
ABSTRACT:
An optical transmission line and an optical transmission system, the handling of which is easy, and in which transmission loss and the absolute value of cumulative chromatic dispersion is small over a wide wavelength range are proposed. The optical transmission system has a transmitter, a receiver and an optical transmission line. The optical transmission line has an optical transmission fiber and a dispersion-compensating fiber. The optical transmission fiber has a chromatic dispersion of +4˜+10 ps·nm−1·km−1and a dispersion slope of 0˜+0.04 ps·nm−2·km−1at the 1550 nm wavelength and is installed in a relay section. The dispersion compensating fiber has a chromatic dispersion of −40 ps·nm−1·km−1or less and a dispersion slope of −0.10 ps·nm−2·km−1or less at the 1550 wavelength and is wound in a coil to be put in a repeater.
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Healy Brian
Mooney Michael P.
Sumitomo Electric Industries Ltd.
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