Combination of lens and lens holder and optical pickup unit having the same

摘要

This invention provides a combination of an optical element and a holder for holding the optical element and an optical pickup unit including the combination. The optical pickup unit used in an optical storage system includes a light source, a focus device, and an optical detector. The light source generates a light beam. The focus device includes an objective lens for focusing the light beam to an optical disk, and a holder holding the objective lens. The objective lens and the holder are integrated together. The optical detector receives a return light beam reflected from the optical disk.