Illumination optical arrangement

Details Illumination optical arrangement Illumination optical arrangement

1985-04-23

1986-10-28

Haroian, Harry N.

Optics: image projectors

Miscellaneous

353 85, 353 38, 355 67, 362268, F21V 704, G03B 2754

Patent

active

046195084

ABSTRACT:
An illumination optical arrangement comprises light source means emitting a coherent light beam, and means for forming a substantially incoherent light source from the coherent light beam. The incoherent light source forming means includes means for periodically deflecting the coherent light beam and scanning a predetermined scanning area by the coherent light beam, and optical means for forming a plurality of optical paths for directing the coherent light beam passed through the predetermined scanning area to a plurality of different secondary scanning areas. Each of the plurality of secondary scanning areas is scanned by the periodically deflected coherent light beam.

REFERENCES:
patent: 3302016 (1967-01-01), Larraburu
patent: 4497013 (1985-01-01), Ohta
patent: 4497015 (1985-01-01), Konno et al.
Max Born and Emil Wolf, Principles of Optics, (fourth edition), 7.5.8. (pp. 316-323), Pergamon Press, Oxford, 1970.

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