| 带像差补偿的光盘像散自动调焦透镜设计 |
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| 引用本文： | 王宇兴,巩马理,闫 平,崔瑞祯,贾维溥.带像差补偿的光盘像散自动调焦透镜设计[J].激光与红外,2003,33(1):71-72. |
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| 作者姓名： | 王宇兴 巩马理 闫 平 崔瑞祯 贾维溥 |
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| 作者单位： | 清华大学精密仪器系数字光电子实验室,北京,100084 |
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| 摘 要： | 对光盘光学头检测光路中广泛使用的光学平板所引入的光学像差进行分析计算,并由
此设计了一种放置于光盘光学头检测光路中的用以产生聚焦误差信号的像散透镜。它不但可以产生正常的调焦误差信号,同时还可以补偿由斜放入检测光路中的光学平板所带来的光学像差。经过实际应用,证明这种结构完全能够满足高密度光盘光学头的技术要求。
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| 关 键 词： | 光学头 像散透镜 像差 |
| 文章编号： | 1001-5078(2003)01-0071-02 |
| 修稿时间： | 2002年7月1日 |
Design of Astigmatic Lens with Compensating Optical Aberration |
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| WANG Yu-xing,GONG Ma-li,YAN Ping,CUI Rui-zhen,JIA Wei-pu,ZHANG Hai-tao.Design of Astigmatic Lens with Compensating Optical Aberration[J].Laser & Infrared,2003,33(1):71-72. |
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| Authors: | WANG Yu-xing GONG Ma-li YAN Ping CUI Rui-zhen JIA Wei-pu ZHANG Hai-tao |
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| Abstract: | We analyzed coma and astigmatism aberration cause d by optical flat plate which is common used in optical pickup systems. According the result we got, we designed an cylindrical lens which can not only help to ge nerate focusing error signal but also compensate the optical aberration mentione d above. Tested and verified in practical optical pickup head, this lens can ful fill the requirement of digital versatile disk pickup systems. |
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| Keywords: | optical head astigmatic lens aberration |
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