Volume determination of a silicon sphere using an improved interferometer with optical frequency tuning

被引：34
|
作者：
Kuramoto, N [1 ]
Fujii, K [1 ]
机构：
[1] NMIJ, Natl Inst Adv Ind Sci & Technol AIST, Tsukuba, Ibaraki 3058563, Japan
来源：
IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT | 2005年 / 54卷 / 02期
关键词：
Avogadro constant; interferometry; optical frequency tuning; silicon crystal;
D O I：
10.1109/TIM.2005.844918
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
In order to obtain accurate volume measurements of 1-kg silicon spheres, improvements have been made to an interferometer equipped with a direct optical frequency tuning system. Diameters of a silicon sphere have been measured by the interferometer with a standard uncertainty of 2.6 nm. Details of the improvements and preliminary results of the volume determination are described.
引用
收藏
页码：868 / 871
页数：4
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