| 用改造后的柯氏干涉仪测量量块中心长度的测量不确定度评定 |
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| 引用本文： | 倪育才,邵宏伟,刘香斌. 用改造后的柯氏干涉仪测量量块中心长度的测量不确定度评定[J]. 现代计量测试, 1999, 7(6): 7-16 |
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| 作者姓名： | 倪育才 邵宏伟 刘香斌 |
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| 作者单位： | 中国计量科学研究院!北京100013 |
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| 摘 要： | 通过用６３３ｎｍ 短频Ｈｅ－Ｎｅ 激光代替氪灯，提高小数测量的准确度等措施，对常规柯氏干涉仪进行了改造，结果获得测量量块中心长度的标准不确定度为ｕｃ＝ （５．５ｎｍ ）２＋ （８．３×１０－ ８Ｌ）２，大大优于一等量块的最大允许不确定度
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| 关 键 词： | 柯氏干涉仪 测量不确定度 量块中心长度 |
Uncertainty Evaluation of the Measurement of Gauge Block by Using an Improved Koester Interferometer |
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| NI Yu|cai,SHAO Hong|wei,LIU Xiang|bin. Uncertainty Evaluation of the Measurement of Gauge Block by Using an Improved Koester Interferometer[J]. Modern Measurement and Test, 1999, 7(6): 7-16 |
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| Authors: | NI Yu|cai SHAO Hong|wei LIU Xiang|bin |
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| Abstract: | By the improvements such as using a stabilized He|Ne laser instead of Kr lamp,increasing the measurement uncertainty of the fraction order,etc.,the standard unceratinty of the measurement of the length of gauge block by using a Koester interferometer was obtained.It is much more better than the maximum permissible uncertainty of the 1st order gauge block. |
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| Keywords: | gauge block Koester interferometer measurement unceratinty |
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