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Optical pick-up
Optical pick-up
1998
sakai hirosi
一种用于光信息处理仪器的光拾取装置包括:一光源;一把所述光源发射的光线分成一主光束和至少两种从属光束的衍射光栅;一把衍射光栅分离的主光束和从属光束独立地聚焦在所述记录媒体上的物镜;一被分成2
Keywords:
Physics
Optics
Correction
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