Drawing dielectric optical waveguides

Details Drawing dielectric optical waveguides Drawing dielectric optical waveguides

C - Chemistry, Metallurgy

03

B

49/9

C03B 37/02 (2006.01) C03B 5/225 (2006.01) C03B 37/023 (2006.01) C03B 37/085 (2006.01) H01P 11/00 (2006.01)

Patent

CA 1053004

ABSTRACT OF THE DISCLOSURE The attenuation in a dielectric optical waveguide can be reduced by the following techniques:- 1) Surrounding the double crucible during the drawing operation by a non-oxidising atmosphere. 2) Feeding glass rod into the melt at a slow rate. 3) Guiding glass rod into the melt so that movement of the glass rod transverse to the melt surface is inhibited. 4) Melting the glass in the double crucible under vacuum. -1-

231230

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