Co-linear and intersecting five light beam generator

Details Co-linear and intersecting five light beam generator Co-linear and intersecting five light beam generator

1997-07-03

1999-12-21

Mai, Huy

Optical: systems and elements

Single channel simultaneously to or from plural channels

359636, 430 5, G02B 2710, G03F 900

Patent

active

060057165

ABSTRACT:
A system which is preferably employed in a laser alignment instrument produces up to five orthogonal beams from a single laser diode beam. The optics take advantage of the elliptical shape of the beam from a laser diode to produce a plurality of masked, parallel collimated beams which are then reflected by combinations of 45.degree.-angled and 90.degree.-angled mirrors, some fully reflective and some partially transmissive, to produce the orthogonal beams.

REFERENCES:
patent: 2422376 (1947-06-01), Turner et al.
patent: 3488104 (1970-01-01), Doherty
patent: 4283115 (1981-08-01), Fraissl
patent: 5500524 (1996-03-01), Rando
patent: 5617202 (1997-04-01), Rando
Robinson et al, "Optically Coupling Tunable Diode Lasers", NASA Tech Briefs, vol. 4, No. 1, Spring 1979.

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