OPTICAL PICKUP AND DISK DRIVE UNIT

摘要

An optical pickup and a disk drive unit being reduced in the number of components and sizes. Provided are a light emitting element (11), a raising mirror (12) comprising a body (17) having a tilted surface (17a) tilted a specified angle with respect to the optical axis of a laser beam and a half mirror (18) provided on the tilted surface to allow at least part of a laser beam to be reflected and directed toward a disk-form recording medium (100), and a light receiving element (15) for receiving the laser beam reflected off disk-form recording medium; a detection means (19) for receiving part of a laser beam emitted from the light emitting element and detecting the output of the received laser beam is further provided.