End-butt optical fiber coupler

Details End-butt optical fiber coupler End-butt optical fiber coupler

1978-11-22

1980-08-12

Hille, Rolf G.

G02B 514

Patent

active

042170320

ABSTRACT:
An optical waveguide coupler having intersecting deep and shallow grooves in a planar solid substrate, in which the deep groove accommodates an alignment fiber for fine vertical alignment of an optical fiber with another optical fiber or with an optical component such as a switch, modulator, multiplexer or source of light. The shallow groove accommodates the optical fiber. The alignment fiber may be tapered or have any configuration such that its manipulation causes the alignment fiber to contact the underside of the optical fiber for raising or lowering the optical fiber. There may be a plurality of shallow and deep grooves for coupling more than one optical fiber.

REFERENCES:
patent: 3800388 (1974-04-01), Borner et al.
patent: 3902784 (1975-09-01), Dakss
patent: 3936143 (1976-02-01), Sato
patent: 3954338 (1976-05-01), Hennel et al.
patent: 4019806 (1977-04-01), Fellows et al.
patent: 4046454 (1977-09-01), Pugh
patent: 4062620 (1977-12-01), Pirolli

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