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绿光光存储实验研究
Study of Optical Data Storage with Green Laser
【摘要】 在光存储技术中 ,采用短激光波长激光器和大数值孔径物镜是提高光存储密度的两种有效途径 本文采用 5 32nm波长激光 ,0 .6 5数值孔径物镜 ,建立了绿光存储实验装置 并采用该实验装置在CD RW相变光盘上进行了存储实验研究 ,实现了线宽约为 5 0 0nm的实验结果
【Abstract】 To improve optical storage density, short wavelength laser and high numerical aperture (NA) objective lens are often applied. In this paper, an optical storage device with 532 nm laser and an objective lens of NA=0.65 is setup. An experimental result of a recording track of about 500 nm is obtained on CD-RW disk with this experimental device.
【关键词】 光存储;
离焦检测;
自动聚焦;
【Key words】 Optical data storage; Focus error detecting; Automatically focusing;
【Key words】 Optical data storage; Focus error detecting; Automatically focusing;
- 【文献出处】 光子学报 ,Acta Photonica Sinica , 编辑部邮箱 ,2004年06期
- 【分类号】TP333
- 【被引频次】7
- 【下载频次】82