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Alternative TitleEffect of Initialization Conditions on the Reflectivity and CNR of Ge_2Sb_2Te_5 Phase-change Optical Disk
刘波; 阮昊; 干福熹
Source Publication中国激光
AbstractGe_2Sb_2Te_5相变光盘的反射率对比度和载噪比受初始化条件影响很大。研究表明,反射率对比度在转速比较低时随功率增加而增大,而转速较高时随功率增加而减小;反射率对比度基本随转速增加而减小,不同波长处的反射率对比度相差比较大;载噪比随初始化功率和转速的增加都是先增大后减小;最佳初始初化条件为:功率为1100~1300 mW,转速为3.0~4.2m/s。
Other AbstractThe initialization conditions have great effect on the reflectivity contrast and CNR of Ge_2Sb_2Te_5 phase-change optical disk. It is indicated that the reflectivity contrast increases at low velocity, while decreases at high velocity, as the initialization power increases and the reflectivity contrast decreases as the initialization velocity increases. Also the reflectivity contrast is very different when the measurement wavelength changes from 400 to 900 nm. The CNR of Ge_2Sb_2Te_5 phase-change optical disk first increases and then decreases when the initialization power and velocity increase. The most favorable initialization conditions are those that power ranges from 1100 to 1300 mW and velocity ranges from 3.0 to 4.2 m/s.
Funding Organization国家自然科学基金重大项目(59832060) ; 国家自然科学基金重大项目(59832060)
Indexed ByEI
Funding Organization国家自然科学基金重大项目(59832060) ; 国家自然科学基金重大项目(59832060)
Document Type期刊论文
Affiliation1.刘波, 中国科学院上海光学精密机械研究所, 上海 201800, 中国.
2.阮昊, 中国科学院上海光学精密机械研究所, 上海 201800, 中国.
3.干福熹, 中国科学院上海光学精密机械研究所, 上海 201800, 中国.
Recommended Citation
GB/T 7714
刘波,阮昊,干福熹. 初始化条件对Ge_2Sb_2Te_5相变光盘反射率和载噪比的影响[J]. 中国激光,2002,29(7):643.
APA 刘波,阮昊,&干福熹.(2002).初始化条件对Ge_2Sb_2Te_5相变光盘反射率和载噪比的影响.中国激光,29(7),643.
MLA 刘波,et al."初始化条件对Ge_2Sb_2Te_5相变光盘反射率和载噪比的影响".中国激光 29.7(2002):643.
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V29-7-643.pdf(145KB)期刊论文作者接受稿开放获取CC BY-NC-SAApplication Full Text
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