Method and system for changing the cross-sectional profile...

Details Method and system for changing the cross-sectional profile... Method and system for changing the cross-sectional profile...

2006-03-14

2006-03-14

Lester, Evelyn A. (Department: 2873)

Optical: systems and elements

Mirror

Plural mirrors or reflecting surfaces

C359S636000, C359S857000, C362S346000, C362S292000

Reexamination Certificate

active

07011419

ABSTRACT:
A technique for changing the cross-sectional profile of a beam of light from, for example, circular or elliptical to thin involves dividing the beam of light into cross-sectional portions, rotating the cross-sectional portions, and then concatenating the rotated cross-sectional portions to form a thin beam. The resulting thin beam has a long dimension that is formed by the concatenation of the cross-sectional portions of the original beam. A device for changing the cross-sectional profile of a beam of light may be fabricated with silicon optical bench technologies or other molding technologies. The device includes facets that divide a beam of light into cross-sectional portions, rotate the cross-sectional portions, and then concatenate the rotated cross-sectional portions to form a thin beam.

REFERENCES:
patent: 5694250 (1997-12-01), Anderson
patent: 2003/0165290 (2003-09-01), Bhagavatula et al.

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