LASER CONTROL CIRCUIT, OPTICAL DISK DEVICE, AND LASER CONTROL METHOD

摘要

PROBLEM TO BE SOLVED: To provide a laser control circuit capable of obtaining an RF signal with a proper S/N, and to provide an optical disk device and a laser control circuit thereof.

SOLUTION: There are provided detection means 26 for detecting laser light intensity using a focusing error signal and/or a tracking error signal, and current adjusting means 28 for adjusting a current supplied to a laser diode emitting laser light on the basis of a detection result.

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