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Apparatus for projecting a line of light from a diode-laser array

  • US 20060176912A1
  • Filed: 02/07/2005
  • Published: 08/10/2006
  • Est. Priority Date: 02/07/2005
  • Status: Active Grant
First Claim
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1. Apparatus for projecting a line of light, comprising:

  • a light-pipe;

    at least one diode-laser bar including a plurality of spaced-apart emitters for emitting light, the light from said emitters of said diode-laser bar being emitted in a fast-axis and a slow-axis perpendicular to each other and perpendicular to the general direction of emission;

    a first optical arrangement for directing the light emitted by the emitters of said diode-laser bar into said light-pipe, said first optical arrangement and said light-pipe being arranged such that the light propagates through said light-pipe substantially unguided thereby in the fast-axis and guided by said light-pipe in the slow-axis; and

    a second optical arrangement arranged to receive light exiting said light-pipe and focus said light to form the line of light.

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