Method of producing optical fibres for telecommunication

Details Method of producing optical fibres for telecommunication Method of producing optical fibres for telecommunication

G - Physics

02

B

49/8

G02B 6/028 (2006.01) C03C 13/04 (2006.01) C03C 21/00 (2006.01)

Patent

CA 1114613

"ABSTRACT". Method of producing optical fibres for telecommunication. When producing a glass fibre, having a graded refractive index profile, by means of the double crucible method, the initial product being a pair Or a core and a cladding glass composition having mutually different alkali-ions, a profile is usually obtained which greatly deviates from the desired parabolic form. The invention furnishes the possibility to approximate this very closely. This is attained by a partial substitution of the core alkali ion by the cladding alkali-ion.

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