Illuminating device for providing an illumination beam with adju

Details Illuminating device for providing an illumination beam with adju Illuminating device for providing an illumination beam with adju

1980-09-08

1983-01-25

Henry, Jon W.

Illumination

Supported by vehicle structure

Condition responsive

350170, 350174, 362259, 355 71, G02B 2710, G03B 2772

Patent

active

043700268

ABSTRACT:
Illuminating device comprising a laser source providing a coherent beam with gaussian distribution of intensity and means for separating the initial beam into four parts along two orthogonal directions, means for recombining the four parts resulting in their partial superimposition in a predetermined plane and means for averaging the interferences produced in the plane by the four parts.

REFERENCES:
patent: 4109304 (1978-08-01), Khvalovsky et al.
patent: 4139479 (1979-01-01), Dubroeucq et al.
patent: 4149773 (1979-04-01), Reid
Beard, T. D. et al., Jour. of App. Phys., vol. 41, No. 12, Nov. 1970, pp. 4927-4929.

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