Optical transducer with farfield modifier

Details Optical transducer with farfield modifier Optical transducer with farfield modifier

2005-09-13

2005-09-13

Dang, Hung Xuan (Department: 2873)

Optical: systems and elements

Lens

With support

C359S811000, C385S093000, C372S092000

Reexamination Certificate

active

06943967

ABSTRACT:
An optical transducer includes a light-emitting device with a light output that has an angular spatial intensity distribution exhibiting multiple peaks. A lens is closely coupled to the light-emitting device to reduce the angular spread of the spatial intensity distribution, preferably to a single peak on the optical axis. The lens is preferably a ball lens coupled to the light-emitting device by a refractive glue.

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patent: 0 562 754 (1993-09-01), None
patent: 0 587 277 (1994-03-01), None

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