| 摘要 |
An object of the invention is to provide an optical pick-up device for recording and reproducing information through the use of holography, which can prevent deterioration of recording and reproduction accuracy due to vibrations from exterior or fluctuations in the relative positional relationship with a recording medium. The optical pick-up device (11) comprises: a pick-up body (12) for recording information on an optical information recording medium (1) and reproducing information from the optical information recording medium (1) through the use of holography; and a position adjusting device for adjusting the position of the pick-up body (12) in order to correct a shift in the relative positional relationship between the pick-up body (12) and the optical information recording medium (1). The position adjusting device changes the position of the pick-up body (12) in a direction perpendicular to a surface of the optical information recording medium (1), in a direction parallel to the surface of the optical information recording medium (1), and in such a direction as to change the inclination of the pick-up body (12) with respect to the surface of the optical information recording medium (1).
|
