Integrated optical pickup system capable of reading optical disks of different thicknesses

摘要

An integrated optical pickup system for reading information signals recorded on a recording surface of a selected optical disk, which is selected from both optical disks so as to be loaded on a disk tray, is comprised of a first glass substrate equipped with means for generating a first and a second focused light beams, letting one of the focused light beams impinge onto the recording surface of the selected optical disk and collimating the focused light beam reflected from the selected optical disk, wherein each of the focused light beams is focused onto the recording surface of a corresponding optical disk, respectively; and a second glass substrate, integrated therein with a detector capable of measuring the intensity of a light beam detected and a reflection layer, for reflecting a portion of the collimated light beam to the detecting lens, thereby allowing the integrated optical pickup system to read the information signals off the recording surface of the selected optical disk.