Method of reducing attenuation in optical fibres

Details Method of reducing attenuation in optical fibres Method of reducing attenuation in optical fibres

C - Chemistry, Metallurgy

03

B

26/197, 204/91.8

C03B 37/10 (2006.01) C03B 37/14 (2006.01) C03B 37/15 (2006.01)

Patent

CA 1306854

ABSTRACT A silica glass optical fibre is submitted to ultrasonic vibration such as to cause atoms of the vitreous matrix to stabilize in a lower energy condition. Preferably the fibre is heated to near its softening point and then cooled during vibration. In this way, inhomogeneity domain sizes and thus the attenuation due to Rayleigh scattering are reduced.

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