System and method for laser beam expansion

Details System and method for laser beam expansion System and method for laser beam expansion

2006-02-28

2006-02-28

Mathews, Alan (Department: 2851)

Photocopying

Projection printing and copying cameras

Illumination systems or details

C355S053000, C359S629000, C359S633000, C359S634000

Reexamination Certificate

active

07006198

ABSTRACT:
The present invention relates to a method and system for expanding a laser beam. An illumination system includes a horizontal reflective multiplexer and a vertical reflective multiplexer. The horizontal reflective multiplexer replicates the input beam along a first dimension to form a first multiplexed beam. The vertical reflective multiplexer replicates the first multiplexed beam along a second dimension to form a second multiplexed beam. In one example, the horizontal reflective multiplexer includes a first beam splitter, second beam splitter, and mirror. The vertical reflective multiplexer includes a beam splitter and mirror.

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Australian Patent Office Search Report, Appln. No. SG 200206363-4, Date of mailing of the search report, Sep. 1, 2004, 2 pages.
Communication date Aug. 9, 2005 from the European Patent Office.

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