H - Electricity – 04 – B
Patent
H - Electricity
04
B
H04B 10/18 (2006.01) G02B 6/036 (2006.01)
Patent
CA 2373567
A low attenuation optical fibre which falls within 2-14 ps/nm/km in absolute value of dispersion over the full wavelength range of 1530-1565 nm and no more than 0.25dB/km of transmission loss at 1550 nm of wavelength at ordinary temperature and relative humidity, and still remains no more than 0.25 dB/km of transmission loss at 1550nm or 1520 nm after its being long-enough exposed to an atmosphere consisting substantially of hydrogen under ordinary pressure; and which further comprises a polarization mode dispersion (PMD) of no more than 0.5 ps/(km)1/2 at a wavelength of 1550 nm and a loss increase of no more than 40 dB/m in a bending diameter of 20 mm.
Iino Akira
Takahashi Fumio
Tamura Jun-Ichi
Freedman & Associates
The Furukawa Electric Co. Ltd
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