Patent
1989-11-30
1990-09-18
Ullah, Akm
350 9620, G02B 632, G02B 636
Patent
active
049573420
ABSTRACT:
A package for an optoelectronic array device having an array of n active elements optically coupled to an array of n single-mode optical fibers which connect said optoelectronic array to an external device includes a housing having a solderable substrate to which the array device is secured, a graded index lens also secured to said array at a distance calculated to provide a known magnification of light beams emanating from said array and n uptapered single-mode optical fibers actively aligned to said magnified light beams to achieve optimal optical coupling to said optoelectronic array. The package optionally includes a multifiber holder having precisely calculated spacing based on the spacing of said active elements which are usually semiconductor lasers and the magnification of said lens. For a two-dimensional surface array, the package includes a mandrel to position the uptapered optical fibers.
REFERENCES:
patent: 4575194 (1986-03-01), Streifer et al.
patent: 4616899 (1986-10-01), Schlafer
patent: 4732448 (1988-03-01), Goldenberg
patent: 4752109 (1988-06-01), Gordon et al.
patent: 4767172 (1988-08-01), Nichols et al.
patent: 4878724 (1989-11-01), Thaniyavarn
Boudreau Robert A,
Rideout William C.
Cannon, Jr. James J.
GTE Laboratories Incorporated
Lohmann, III Victor F.
Ullah Akm
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