Semiconductor laser device
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United States of America Patent
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May 20, 2008
Grant Date -
Jun 29, 2006
app pub date -
Jul 30, 2003
filing date -
Sep 2, 2002
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The invention relates to a semiconductor laser device, including a semiconductor laser element, or a number of individual lasers mounted parallel to each other, with a number of output surfaces, from which laser light can escape, having a treater divergence in a first direction (Y) than in a second direction parallel to the above and at least one reflecting means, at a distance from the output surfaces, outside the semiconductor laser element or the individual laser, with at least one reflective surface which reflects at least a part of the laser light escaping from the semiconductor laser element or the individual lasers through the output surfaces back into the semiconductor laser element or the individual lasers, such that the mode spectrum of the semiconductor laser element or the individual lasers is influenced. The at least one reflective surface of the reflecting means has a concave curve.
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