Patent ID: 9025635
Filing Date: 2015-05-05
Classification: B82Y,F21K,F21V,F21Y,G02B,H01L,H01S

Abstract:
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: a support member; a plurality of laser diode devices numbered from 1 through N overlying the support member, each of the plurality of laser diode devices configured to emit a laser beam; wherein at least some of the plurality of laser diode devices comprise gallium and nitrogen containing laser diode devices configured to emit a laser beam characterized by emission selected from blue emission with a wavelength ranging from 415 nm to 485 nm, green emission with a wavelength ranging from 500 nm to 560 nm, and a combination thereof; and wherein N is greater than 1; a free space with a non-guided characteristic capable of transmitting the laser beams from each of the plurality of laser diode devices; a combiner configured to receive the laser beams from each of the plurality of gallium and nitrogen containing laser diode devices, and to provide an output beam characterized by a selected wavelength range, a selected spectral width, a selected power, and a selected spatial configuration; and a phosphor material optically coupled to the output beam, wherein: the support member is configured to transport thermal energy from the plurality of laser diode devices to a heat sink; the combiner comprises free-space optics configured to create one or more free space optical beams; at least one of the laser beams is characterized by a polarization purity of greater than 60% and less than 100%; the output beam is characterized by an operating optical output power of at least 5 W; a thermal path from the plurality of laser diode devices to the heat sink characterized by a thermal impedance of less than 4 degrees Celsius per electrical watt of electrical input power characterizing; and 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.