Device for homogenizing light

Details Device for homogenizing light Device for homogenizing light

2008-03-28

2010-12-28

Harrington, Alicia M (Department: 2873)

Optical: systems and elements

Single channel simultaneously to or from plural channels

By surface composed of lenticular elements

Reexamination Certificate

active

07859758

ABSTRACT:
A device for homogenizing light has a first lens array provided with a number of convex lenses, and at least one second lens array disposed at a distance from the first lens array in the beam scattering direction and through which the light refracted by the first lens array can pass. The second lens array is formed with a number of first lenses that are respectively arranged at a distance from each other. At least one of the first lenses of the second lens array is associated with each convex lens of the first lens array. The convex lenses of the first lens array have a smaller curvature than the first lenses of the second lens array associated with said convex lenses.

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patent: 7508588 (2009-03-01), Nakajima
patent: 2004/0042085 (2004-03-01), Hough
patent: 2008/0002261 (2008-01-01), Hill et al.
patent: 0490171 (1992-06-01), None
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International Search Report, dated Nov. 30, 2005.

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