Red green blue laser module

A small packaged RGB module device, the device comprising:

• a base member comprising a thermally insulating material, the base member having a front surface region and a back surface region;
• a first heat conducting member configured within a first portion of the base member, the first heat conducting member including a first frontside thermally conductive pad on the front surface region of the base member and a first backside thermally conductive pad on the back surface region of the base member, wherein the first frontside thermally conductive pad is connected to the first backside thermally conductive pad by a first plurality of thermally conductive interposer plugs that extend through the base member;
• a second heat conducting member configured within a second portion of the base member, the second heat conducting member including a second frontside thermally conductive pad on the front surface region of the base member and a second backside thermally conductive pad on the back surface region of the base member, wherein the second frontside thermally conductive pad is connected to the second backside thermally conductive pad by a second plurality of thermally conductive interposer plugs that extend through the base member;
• a third heat conducting member configured within a third portion of the base member, the third heat conducting member including a third frontside thermally conductive pad on the front surface region of the base member and a third backside thermally conductive pad on the back surface region of the base member, wherein the third frontside thermally conductive pad is connected to the third backside thermally conductive pad by a third plurality of thermally conductive interposer plugs that extend through the base member;
• a first laser device comprising a gallium and arsenide material configured to emit electromagnetic output radiation in a range of 620 to 670 nm, the first laser device in thermal contact with the first heat conducting member;
• a second laser device comprising a gallium and nitrogen material configured to emit electromagnetic output radiation in a range of 510 to 550 nm, the second laser device in thermal contact with the second heat conducting member;
• a third laser device comprising a gallium and nitrogen material configured to emit electromagnetic output radiation in a range of 430 to 480 nm, the third laser device in thermal contact with the third heat conducting member;
• a first lens device coupled to an output of the first laser device;
• a second lens device coupled to an output of the second laser device;
• a third lens device coupled to an output of the third laser device;
• an optical combining device coupled to the first lens device, the second lens device, and the third lens device to combine an output of the first laser device, an output of the second laser device, and an output of the third laser device and emit collimated light;
• a package device enclosing the first laser device, the second laser device, the third laser device, and the optical combining device to form an enclosed space and configured to seal the enclosed space and hermetically seal the first laser device, the second laser device, and the third laser device, the package device having a volume of 4 mm3 to 40 mm3 as measured from an outer surface region of the base member and a lid region;
• an optical feedthrough device coupling the emitted collimated light to a spatial region outside of the package device;
• an electrical feedthrough device to couple electrical power to the first laser device, the second laser device, and the third laser device;
• and
• whereupon the first heat conducting member, the second heat conducting member, and the third heat conducting member are each thermally isolated from each other and configured to isolate thermal cross-talk between any pair of the first laser device, the second laser device, and the third laser device.