| 摘要 |
PROBLEM TO BE SOLVED: To provide a laser diode module suitable for reduction of voltage and electric power in the laser diode module and a temperature-adjusting device for the laser diode. SOLUTION: This laser diode module is comprised of a laser diode 18, a heat transmitting member 16 in which a laser diode is mounted, and first and second Peltier elements 14 (#1 and #2) that are provided so that heat is moved among the heat transmitting members.
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