Multi-focus optical pickup with diffractive optical elements

被引：0
|
作者：
Pawlowski, E [1 ]
机构：
[1] Heinrich Hertz Inst Nachrichtentech Berlin GmbH, D-10587 Berlin, Germany
来源：
DESIGN AND ENGINEERING OF OPTICAL SYSTEMS II | 1999年 / 3737卷
关键词：
DOE; DVD; diffractive optical elements; optical pickup; multi-focus; micro-optics;
D O I：
10.1117/12.360040
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
II navel optical pickup based on DOEs is proposed and first optical key elements are designed and fabricated. The DOE-pickup enables multi-focus imaging and speeds up the data transfer rate. Parallel reading of many tracks and two or mole superimposed memory layers is possible. Our measurements revealed, that the efficiencies and the optical performances of the DOEs are suitable for the implementation in an optical DVD-pickup.
引用
收藏
页码：462 / 468
页数：7
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