Optical waveguide fiber with very thin titania-silica outer clad

Details Optical waveguide fiber with very thin titania-silica outer clad Optical waveguide fiber with very thin titania-silica outer clad

1992-06-18

1993-08-31

Healy, Brian

Optical waveguides

Optical fiber waveguide with cladding

Utilizing multiple core or cladding

385141, 385144, G02B 622

Patent

active

052416151

ABSTRACT:
An optical waveguide fiber with a core region 1 and a cladding region 2, wherein the cladding region 2 includes an outer cladding region 3 is disclosed wherein the outer cladding region 3 is a very thin (less than 1 .mu.m in thickness) layer of TiO.sub.2 -SiO.sub.2 glass which results in a substantial reduction in the number of fiber breaks resulting from the fiber drawing process and having a predetermined TiO.sub.2 concentration less than or equal to about 10 wt. %. A method for making the fiber is also disclosed.

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McTaggart et al., "Immiscibility Area in the System TiO.sub.2 -ZrO.sub.2 -SiO.sub.2 ", Journal of the American Ceramic Society, vol. 40, No. 5, pp. 167-170, May, 1957.
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Oh et al. "Increased Durability of Optical Fiber Through the Use of Compressive Cladding", Optics Letters, vol. 7, No. 5, pp. 241-243, May 1982.

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