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

被引：35

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

页码：868 / 871

页数：4

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