Lens, lens array and optical receiver

Details Lens, lens array and optical receiver Lens, lens array and optical receiver

2007-04-17

2007-04-17

Dang, Hung (Department: 2873)

Optical: systems and elements

Lens

Including a nonspherical surface

C385S031000, C385S093000

Reexamination Certificate

active

10983567

ABSTRACT:
In one embodiment, a lens has an object surface and an image surface, with the shape of the image surface being defined by an equation having a conic component and a cone component. The lens may be incorporated into an optical receiver having a photodetector that is positioned to receive light emitted from the image surface of the lens. In some uses, the image surface of the lens mitigates return loss through the lens.

REFERENCES:
patent: 5200024 (1993-04-01), Blonder et al.
patent: 5515468 (1996-05-01), DeAndrea et al.
patent: 6536957 (2003-03-01), Buchter
patent: 6961489 (2005-11-01), Cox et al.
patent: 2003/0053222 (2003-03-01), Togami et al.
patent: 2004/0091218 (2004-05-01), Haasteren

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