Optical device permitting passive alignment of lens element

Details Optical device permitting passive alignment of lens element Optical device permitting passive alignment of lens element

2005-08-23

2005-08-23

Duverne, J. F. (Department: 2839)

Optical waveguides

With optical coupler

With alignment device

Reexamination Certificate

active

06934449

ABSTRACT:
An optical device includes an optical substrate having a first surface on which a lens element is formed, and a second surface with a projecting part or parts. The projecting part or parts are mated with a corresponding groove or grooves in the surface of a supporting substrate on which an optical element is mounted. The optical element is thereby optically aligned with the lens element. The projecting part or parts and groove or grooves are preferably formed by photolithography.

REFERENCES:
patent: 5257332 (1993-10-01), Pimpinella
patent: 5481629 (1996-01-01), Tabuchi
patent: 5543255 (1996-08-01), Ham
patent: 5625493 (1997-04-01), Matsumura
patent: 5985185 (1999-11-01), Steijer et al.
patent: 6083843 (2000-07-01), Ohja et al.
patent: 6085007 (2000-07-01), Jiang et al.
patent: 6272272 (2001-08-01), Ford
“High Optical Coupling Scheme in LD Modules with Silicon Platform Technology”, IEICE Transactions on Electronics, vol. E80-C, No. 1, Jan. 1997, pp. 107-111.

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