C - Chemistry – Metallurgy – 03 – B
Patent
C - Chemistry, Metallurgy
03
B
26/197, 88/97.6
C03B 37/00 (2006.01) C03B 37/023 (2006.01) C03B 37/027 (2006.01) C03C 13/04 (2006.01) G02B 6/00 (2006.01)
Patent
CA 1194280
ABSTRACT "OPTICAL FIBRES" An optical fibre capable of monomode transmission in, and having a wavelength of zero dispersion in, the 1.55 µm window and having a core comprising silica and germanium dioxide and a cladding comprising silica is drawn from an appropriate preform at a temperature in the range from 1900°C to 2000°C. Fibres thus produced have low loss compared with fibres drawn at higher temperature.
399883
Ainslie Benjamin J.
Beales Keith J.
Day Clive R.
Rush James D.
British Telecommunications Public Limited Company
Ridout & Maybee Llp
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