Methods and apparatus for combining arrays of light beams

Details Methods and apparatus for combining arrays of light beams Methods and apparatus for combining arrays of light beams

1992-12-16

1994-10-04

Henry, Jon W.

Optical: systems and elements

Single channel simultaneously to or from plural channels

359572, 359 15, 359583, G02B 2710, G02B 2742

Patent

active

053531558

ABSTRACT:
Arrays of light beams are combined in a manner that minimizes optical power loss by passing a first array of light beams through an angle-variant device onto a target surface while reflecting a second array of light beams off the angle-variant device onto the target surface. The light beams of the first array are arranged to strike the angle-variant device at a first family of angles at which the angle-variant device is substantially transmissive. The light beams of the second array are arranged to strike the angle-variant device at a second family of angles at which the angle-variant device is substantially reflective.

REFERENCES:
patent: 3970963 (1976-07-01), Chester
patent: 4701005 (1987-10-01), Noguchi
patent: 4813762 (1989-03-01), Leger et al.
patent: 4940309 (1990-07-01), Baum

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