Bright diode-laser light-source
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United States of America Patent
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-
May 8, 2001
Grant Date -
N/A
app pub date -
Jun 11, 1999
filing date -
Dec 8, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A light-source includes a plurality of diode-laser bars. The diode-laser bars are arranged in a parallel array and arranged to emit laser-light in the same direction. The diode-laser bars are mounted on a planar surface of a common heat-sink and are spaced-apart from each other in the emission-direction. Each diode-laser bar has one optical waveguide associated therewith. The optical-waveguides collect laser-light emitted from the diode-laser bars with which they are associated and deliver the collected laser-light to an output-aperture of the light-source. In one arrangement the diode-laser bars are mounted such that the emission-direction is parallel to the planar surface of the heat-sink, and the optical-waveguides are shaped to extend over diode-laser bars adjacent those with which they are associated. In another arrangement the diode-laser bars are mounted on the planar surface via wedge submounts such that the emission-direction is at an acute angle to the planar surface and the spacing of the diode-laser bars is selected such that the optical-waveguides can be straight yet still extend over adjacent diode-laser bars.
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