Method of making 1xn fiber optic coupler

Details Method of making 1xn fiber optic coupler Method of making 1xn fiber optic coupler

C - Chemistry, Metallurgy

03

B

49/82

C03B 37/15 (2006.01) C03B 23/07 (2006.01) C03B 23/13 (2006.01) C03B 23/20 (2006.01) G02B 6/255 (2006.01) G02B 6/28 (2006.01) G02B 6/34 (2006.01)

Patent

CA 2031389

Abstract of The Disclosure An overclad fiber optic coupler is formed from a coupler preform including a glass tube having a longitudinal aperture. The aperture is formed of a plurality of similarly shaped side walls, each of which includes a longitudinally extending, inwardly projecting protrusion means. The region between each two adjacent protrusion means constitutes a corner region. Disposed within the aperture are at least a portion of each of a plurality of glass optical fibers, one fiber being situated in each corner region. The midregion of the tube is collapsed onto the fibers, the protrusion means maintaining the fibers in their relative positions. At least a portion of the midregion is stretched to reduce the diameter thereof.

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