G - Physics – 02 – B
Patent
G - Physics
02
B
G02B 6/036 (2006.01) G02B 6/028 (2006.01) G02B 6/10 (2006.01) G02F 1/365 (2006.01) G02F 2/02 (2006.01) H01S 3/067 (2006.01) H01S 3/30 (2006.01) H04B 10/17 (2006.01) H04B 10/18 (2006.01) H04J 14/02 (2006.01) G02F 1/35 (2006.01)
Patent
CA 2396065
An optical fiber comprising a core and a cladding region which covers an outer periphery of the core, having a zero-dispersion wavelength in a wavelength range of 1.4 µ m to 1.65 µm, and being in a single mode in that zero-dispersion wavelength, wherein GeO2 is doped in the core in a quantity such that a relative refractive index difference of the core becomes not less than 1.8%, the cladding region includes first, second, and third cladding regions, and a refractive index of the second cladding region is smaller than those of the first cladding region and the third cladding region.
Arai Shinichi
Oyama Naoto
Saito Hirofumi
Ridout & Maybee Llp
The Furukawa Electric Co. Ltd
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