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Laser package having multiple emitters configured on a support member

  • US 9,810,383 B2
  • Filed: 06/18/2015
  • Issued: 11/07/2017
  • Est. Priority Date: 01/24/2011
  • Status: Active Grant
First Claim
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1. An optical module apparatus comprising a form factor characterized by a length, a width, and a height;

  • the height characterized by a dimension of less than 11 mm and greater than 1 mm, the apparatus comprising;

    at least one laser diode device configured to emit a laser beam;

    wherein the laser diode device comprises a gallium and nitrogen containing laser diode device configured to emit a laser beam characterized by emission selected from blue emission with a wavelength ranging from 415 nm to 485 nm;

    a free space with a non-guided characteristic capable of transmitting the laser beam from the laser diode device;

    an optical device configured to receive the laser beam, and to provide an output beam characterized by a selected wavelength range, a selected spectral width, a selected power, and a selected spatial configuration;

    an output power characterizing the output beam of at least 0.5 W;

    a phosphor material optically coupled to the output beam, wherein;

    a support member is configured to transport thermal energy from the laser diode device to a heat sink;

    a free space optics included in the optical device and configured to create one or more free space optical beams;

    a thermal path from the laser diode device to the heat sink is characterized by a thermal impedance; and

    whereupon the optical module apparatus is characterized by an optical output power degradation of less than 20% in 500 hours when the optical module apparatus is operated within the optical output power with a constant input current at a base temperature of 25 degrees Celsius.

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