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US08130622B2 Optical pickup apparatus having multi-sectional polarizer 有权
具有多段偏振器的光拾取装置

Optical pickup apparatus having multi-sectional polarizer
摘要:
An optical pickup apparatus includes a light generating unit to generate a light to record or reproduce information, an objective lens to focus the light generated from the light generating unit onto a disk, and a multi-sectional polarizer disposed on a light path between the light generating unit and the objective lens and divided into a plurality of sectors having their individual optical axes.
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