Single-mode optical fiber

Optical waveguides – Optical fiber waveguide with cladding

Reexamination Certificate

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C385S126000, C385S127000, C385S141000, C385S142000, C356S073100, C250S227160

Reexamination Certificate

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07099545

ABSTRACT:
Provided is a single-mode optical fiber that propagates an optical signal at a wavelength of 1310 nm, in single-mode operation; has a mode field diameter of 6.6 μm or more at the wavelength of 1310 nm; and a macro bending loss of at most 0.1 dB/10 turns with a bending radius of 7.5 mm at a wavelength of 1650 nm.

REFERENCES:
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patent: 6711330 (2004-03-01), Donlagic
patent: 7035514 (2006-04-01), Oyamada
patent: 2005/0058418 (2005-03-01), Prasad et al.
Masataka Ikeda, et al., “Low Bending Loss Optical Fiber with Reduced Splice Loss”, Technical Report of IEICE, Aug. 2003, pp. 35-40, (with English Abstract and Additional partial English translation).
U.S. Appl. No. 11/022,752, filed Dec. 28, 2004, Sako et al.
U.S. Appl. No. 11/271,823, filed Nov. 14, 2005, Sako et al.
Hiroshi Kutami, et al., “Low-Bending-Loss and Suppressed-Splice-Loss Optical Fibers for FTTH Indoor Wiring”, Ninth Optoelectronics and Communications Conference/Third International Conference on Optical Internet (OECC/COIN2004) Technical Digest, Jul. 2004, pp. 74-75.

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