Extended source laser illuminator

Details Extended source laser illuminator Extended source laser illuminator

2007-06-19

2007-06-19

Luebke, Renee (Department: 2875)

Illumination

Light source and modifier

Laser type

C362S558000, C362S553000, C089S001110, C342S014000

Reexamination Certificate

active

11123085

ABSTRACT:
An apparatus provides a safer, high brightness glare or illumination source. The apparatus comprises a laser to emit a light beam, and a magnifying telescope, including a negative lens to expand the light beam and a positive lens to collimate the expanded light beam. The apparatus also includes a holographic diffuser to receive the collimated light beam and to produce a diffused light beam. The diffused light beam has an extended cross section and provides an extended glare source at increased power down range.

REFERENCES:
patent: 5685636 (1997-11-01), German
patent: 5997163 (1999-12-01), Brown
patent: 6606173 (2003-08-01), Kappel et al.
patent: 6870650 (2005-03-01), Kappel et al.
patent: 2004/0008392 (2004-01-01), Kappel et al.
patent: 2004/0130896 (2004-07-01), Brown et al.
patent: 2004/0184287 (2004-09-01), Smith et al.

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