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BEAM SHAPER SYSTEM FOR LASER DIODE ARRAY

  • US 20160274368A1
  • Filed: 03/16/2015
  • Published: 09/22/2016
  • Est. Priority Date: 03/16/2015
  • Status: Active Grant
First Claim
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1. A beam shaper system for at least one laser-diode bar located spatially in an orthodox X-Y-Z coordinate system having an X-Y plane, X-Z plane, Y-Z plane and comprising:

  • a) a fast-axis collimator located in the X-Y plane of the orthodox X-Y-Z coordinate system and comprising a first aspherical-cylindrical lens, the laser diode having emitters which are located linearly in the X-Y plane and are spaced from each other with a predetermined laser-diode emitter pitch;

    b) an array of spherical/aspherical telescope units shifted with respect to each other in the direction of the fast axis in accordance with a first predetermined law, each telescopic unit comprising a pair of individual lenses;

    c) an array of second cylindrical lenses where the second cylindrical lenses are shifted relative to each other in the plane Y-Z in the direction of the Y axis in accordance with a second predetermined law;

    and d) a focusing unit located in the Y-Z plane having means for reshaping and focusing the beams which passed through the array of the second cylindrical lenses.

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