| 我国长度“米”基准的复现及国际比对 |
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| 引用本文： | 陈耀煌.我国长度“米”基准的复现及国际比对[J].现代计量测试,1993,1(2):3-9. |
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| 作者姓名： | 陈耀煌 |
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| 作者单位： | 中国计量科学研究所 |
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| 摘 要： | 长度单位“米”已重新加以定义,它是建立在光速为常数值的基础上,如何按新定义的要求,以基准的实际形式作复现是极为重要的。本文阐述我国所进行的有关研究及取得的成果包括对多波长稳频激光器的描述、碘稳频激光的国际比对,测量基准量块和线纹尺的干涉仪及以它们测量出的量值与国际比对结果。
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| 关 键 词： | 长度 激光器 波长 单位 米 计量 |
The Reproduction of Length Primary Standard of Metre and International Comparison |
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| Ghen Yaohuang.The Reproduction of Length Primary Standard of Metre and International Comparison[J].Modern Measurement and Test,1993,1(2):3-9. |
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| Authors: | Ghen Yaohuang |
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| Affiliation: | National Institute of Metrology |
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| Abstract: | As the length unit"metre" has been given a redefinition which is based on the light speed in vacuum with a constant value; it is of great importance and reproduce the new definition of metre in practical standard coincided the condition recommaded by CCDM.This paper describes the research work and achievement concerning of reproduction of length primary standard in NIM, such as the stabilised laser with several wavelengths, I_2-stabilised He-Ne laser international comparison interferometry standard gauge block and line sacle measurement and instrument, as well as their measuring results and intercomparison with other coutries. |
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| Keywords: | Length standard stabilised laser wavelength standard interferometer gauge blook line scale |
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