Laser diode stack utilizing a non-conductive submount
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United States of America Patent
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app pub date -
Jul 24, 2006
filing date -
Mar 20, 2006
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Abandoned
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Abstract
A laser diode package is provided, the package including a plurality of laser diode submount assemblies. Each laser diode submount assembly includes a submount comprised of a non-conductive material. At least one laser diode is attached to a first portion of one surface of each submount while a spacer is attached to a second portion of the same submount surface. Preferably the submount has a high thermal conductivity and a CTE that is matched to that of the laser diode. The laser diode stack is formed by mechanically coupling the bottom surface of each submount to the spacer of an adjacent submount assembly. The individual laser diodes of the fabricated stack can be serially coupled together, coupled together in parallel, or individually addressable. To provide package cooling, the laser diode stack is thermally coupled to a cooling block.
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