| 摘要 |
PROBLEM TO BE SOLVED: To provide an optical pickup device capable of easily and surely adjusting grating of a hologram laser element, relating to optical pickup device used for compact disk player, etc. SOLUTION: The hologram laser element is inserted into a hole formed on a pedestal 1, and the hologram laser element is pressed onto the pedestal 1 by a U-shaped press metal fitting 12, and the hologram laser element is turned around an optical axis in the pressed state. Thus, the grating of the hologram laser element is adjusted easily and surely. |
