Optical waveguide manufacture

Details Optical waveguide manufacture Optical waveguide manufacture

C - Chemistry, Metallurgy

03

B

26/197

C03B 37/018 (2006.01) C03B 37/012 (2006.01) C03B 37/014 (2006.01)

Patent

CA 1261127

OPTICAL WAVEGUIDE MANUFACTURE Abstract of the Disclosure Optical waveguide having a fused silica or doped silica core and a fluorine doped fused silica cladding is made by depositing particulate cladding silica onto the outside of a support tube and then drying, fluorine doping, and sintering the silica. The support tube is then etched out and further particulate silica is deposited and sintered inside the resulting tube to form a core. The resulting tubular preform is heated to collapse it into a rod from which waveguide is drawn, the waveguide having a fluorine doped silica cladding. - i -

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