Optical beam splitter
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United States of America Patent
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Sep 11, 2007
Grant Date -
Mar 31, 2005
app pub date -
Sep 7, 2004
filing date -
Sep 25, 2003
priority date (Note) -
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status (Latency Note)
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Abstract
An optical beam splitter (1) for a light beam (2) that is parallel along a beam axis (A) has a transparent central area (3) and a plurality of reflecting reflector surfaces (4a, 4b) that are respectively inclined by a reflector angle (.alpha.) relative to the beam axis (A) for generating each a discrete spot beam (5a, 5b), with the central area (3) being convexly curved in the manner of a prism at least in part and/or has beam-expanding diffractive optics (19).
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