| Film-thickness Error Analysis of Optical Disk Systems |
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| 引用本文： | WANG Yang GU Donghong GAN Fuxi (Shanghai Institute of Optics and Fine Mechanics,Chinese Academy of Sciences,Shanghai 201800,China). Film-thickness Error Analysis of Optical Disk Systems[J]. Chinese Journal of Lasers, 2001, 10(3): 206-210 |
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| 作者姓名： | WANG Yang GU Donghong GAN Fuxi (Shanghai Institute of Optics and Fine Mechanics Chinese Academy of Sciences Shanghai 201800 China) |
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| 作者单位： | Shanghai Institute of Optics and Fine Mechanics，Chinese Academy of Sciences，Shanghai 201800，China |
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| 基金项目： | theNationalNaturalScienceFoundationofChina (Grant .No .5 9832 0 6 0 ) |
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| 摘 要： | 1 Ｉｎｔｒｏｄｕｃｔｉｏｎ Ｒｅｃｅｎｔｌｙｏｐｔｉｃａｌｄｉｓｋｓａｂｌｅｔｏｓｔｏｒｅａｌａｒｇｅｑｕａｎｔｉｔｙｏｆｉｎｆｏｒｍａｔｉｏｎｈａｖｅｂｅｅｎｕｓｅｄａｓｃｏｍｐａｃｔｄｉｓｋ (ＣＤ ) ,ｄｉｇｉｔａｌｖｅｒｓａｔｉｌｅｄｉｓｋ(ＤＶＤ) ,ａｎｄｔｈｅｉｒｒｅｃｏｒｄａｂｌｅｏｒｒｅｗｒｉｔａｂｌｅｔｙｐｅｓ(ｓｕｃｈａｓＣＤ Ｒ ,ＣＤ ＲＷ ,ＤＶＤ Ｒ ,ａｎｄＤＶＤ ＲＡＭ ) [1 ] .Ａｎｏｐｔｉｃａｌｄｉｓｋｉｓａｋｉｎｄｏｆｍｕｌｔｉｌａｙｅｒｓｙｓｔｅｍｄｅｐｏｓｉｔｅｄｏｎａ…
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| 收稿时间： | 2000-06-28 |
Film-thickness Error Analysis of Optical Disk Systems |
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| WANG Yang GU Donghong GAN Fuxi. Film-thickness Error Analysis of Optical Disk Systems[J]. 中国激光(英文版), 2001, 10(3): 206-210 |
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| Authors: | WANG Yang GU Donghong GAN Fuxi |
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| Abstract: | It is difficult to exactly control the film thickness of optical disk multilayer in the actual coating process. The thickness error becomes a main factor affecting the optical characters of the film system. The thickness error′s sensitivity factor of dielectric optical multilayer is derived from the optical matrix in this paper. The effect of the thickness error on the reflectivity or reflectivity contrast of the optical disk multilayer is analyzed with a numerical calculation. The sensitivities to thickness error for different layers or in different film-thickness ranges are compared and discussed. A sketchy method defining allowable thickness error is given. Some experimental results verify the applicability of our theoretical analysis. |
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| Keywords: | optical disk multilayer film thickness error factor numerical calculation |
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