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405nm蓝光高密度光存储实验研究
Study of the High Density Optical Recording with 405nm Laser Source
【摘要】 采用波长为405nm的蓝光半导体激光器和数值孔径为0.65的聚焦物镜,对不同激光功率下CD-RW相变材料的存储特性进行研究.结果表明,在本系统中,CD-RW相变材料记录阈值约为7.5mW,最佳记录功率为9.0mW,最终得到了约500nm的记录线宽.
【Abstract】 This paper studies the characteristics of optical recording of CD-RW with 405nm laser source and 0.65 numerical aperture (NA) objective lens. The result reveals that the threshold and optimal laser power in this recording system is 7.5mW, 9mW respectively. A track with a width of 500nm is obtained on the CD-RW disk.
【关键词】 高密度光存储;
相变光盘;
蓝光;
自动聚焦;
【Key words】 high density optical data storage; phase-change disk; blue light; auto-focus;
【Key words】 high density optical data storage; phase-change disk; blue light; auto-focus;
- 【文献出处】 河南大学学报(自然科学版) ,Journal of Henan University (Natural Science) , 编辑部邮箱 ,2004年01期
- 【分类号】O4-33
- 【被引频次】5
- 【下载频次】132