G - Physics – 02 – B
Patent
G - Physics
02
B
26/197, 49/82, 8
G02B 6/26 (2006.01) C03B 37/15 (2006.01) G02B 6/255 (2006.01) G02B 6/28 (2006.01)
Patent
CA 2025750
Two optical fibers are reduced in diameter over a predetermined length to form reduced-diameter portions whose center portions have different diameters. The first and second optical fibers are intersected at a small angle to each other substantially centrally of their reduced-diameter portions and then are fused together at the intersecting portions and the fused portions of the first and second optical fibers are heated and stretched to provide an optical coupler having a desired coupling ratio.
Hanafusa Hiroaki
Noda Juichi
Sasaki Hiroyuki
Shimamura Masato
Takeuchi Yoshiaki
Japan Aviation Electronics Industry Limited
Kirby Eades Gale Baker
Nippon Telegraph And Telephone Corporation
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