Self-aligning optical beam system

Details Self-aligning optical beam system Self-aligning optical beam system

1996-01-26

1998-04-28

Ullah, Akm E.

Optical waveguides

Planar optical waveguide

Thin film optical waveguide

G02B 610

Patent

active

057456313

ABSTRACT:
A self-aligning optical beam system is disclosed in which optical alignment of two beam-carrying portions, such as a laser beam generated by a chip, and a light guide formed as a waveguide in a polymeric material, is precisely controlled by plug-and-socket connection between a substrate and a chip. Plugs in the form of solder bumps are formed on one surface of a laser chip, and are inserted in sockets provided in a substrate. The optical alignment is precisely controlled in three axes, two of which guarantee alignment for laser beam transmission into a waveguide, and one of which minimizes the gap across which the beam travels.
A powerful waveguide division multiplexer may be provided by having numerous converging waveguides on a single substrate, and by stacking a number of substrates, all of whose waveguides feed into a single optical output channel.

REFERENCES:
patent: 4564260 (1986-01-01), Dirmeyer et al.
patent: 4589724 (1986-05-01), Winzer
patent: 5054873 (1991-10-01), Davis et al.
patent: 5098804 (1992-03-01), Booth
patent: 5136671 (1992-08-01), Dragone
patent: 5333225 (1994-07-01), Jacobowitz et al.

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