Optical waveguides

Details Optical waveguides Optical waveguides

1975-05-28

1982-11-23

Lee, John D.

350 9631, 350 9634, G02B 5172

Patent

active

043602509

ABSTRACT:
An optical waveguide has a silica cladding and a phosphosilicate core. Additional components may be added to improve the match of physical properties between core and cladding. The waveguide is manufactured by passing a mixture of vapors of silicon tetrachloride and phosphorus oxychloride through the interior surface of a glass tube and heating to cause oxidation and simultaneous deposition of silica and phosphorus pentoxide. The interior coated tube is then collapsed to a rod and the rod is drawn into an optical fibre.

REFERENCES:
patent: 3856494 (1974-12-01), Kitano et al.
patent: 3884550 (1975-05-01), Maurer et al.
patent: 4339173 (1982-07-01), Aggarwal et al.

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