| 摘要 |
PROBLEM TO BE SOLVED: To provide a highly efficient high-output laser diode optical module, which can efficiently radiate heat generated, when a high-out laser emits light to the outside without allowing the heat to stay in a package, and in addition, will not impair optical coupling. SOLUTION: In this laser diode optical module 1, constituted by housing a laser diode 3 in the package 2, a Peltier element 12 fitted with a cooling plate 13 made of a electrical insulating material and a mounting plate 14 mode of another electrical insulating material is fixed to the external surface of the bottom plate 11 of the package 2, to which optical module parts are fixed. It is preferable to have the Peltier element 12 coated with a moisture-proofing film in advance.
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