Optical waveguides – Optical fiber waveguide with cladding
Reexamination Certificate
2007-03-20
2007-03-20
Walsh, Daniel (Department: 2876)
Optical waveguides
Optical fiber waveguide with cladding
Reexamination Certificate
active
10401606
ABSTRACT:
A dispersion compensating optical fiber comprises a minimum wavelength at which an increase amount of an actual loss value with respect to a theoretical loss value is not less than 10 mdB/km in a use wavelength band and on a long wavelength side of the use wavelength band. The actual loss value is measured in a state that the fiber is looped around a bobbin. The minimum wavelength falls within a range of 1,565 to 1,700 nm. This dispersion compensating optical fiber is suitably used for an optical transmission line of a large-capacity high-speed WDM optical transmission system.
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Ohga Yuichi
Sasaoka Eisuke
Tsukitani Masao
Yanada Eiji
McDermott Will & Emery LLP
Sumitomo Electric Industries Ltd.
Walsh Daniel
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