103-km-long remote measurements of end standards using low-coherence optical-fiber tandem interferometer in experimental room

被引:9
作者
Matsumoto, H [1 ]
Sasaki, K [1 ]
Hirai, A [1 ]
机构
[1] Natl Inst Adv Ind Sci & Technol, AIST, Natl Metrol Inst Metrol, NMIJ, Tsukuba, Ibaraki 3058563, Japan
来源
JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS BRIEF COMMUNICATIONS & REVIEW PAPERS | 2005年 / 44卷 / 08期
关键词
remote length measurement; low-coherence tandem interferometer; optical fiber; length standards; fiber net;
D O I
10.1143/JJAP.44.6287
中图分类号
O59 [应用物理学];
学科分类号
摘要
The length information of end standards is transmitted through a 103-km-long optical fiber in the experimental room. The system uses a low-coherence tandem interferometer and a single-mode optical fiber in the wavelength range of 1500nm. Interference fringes are generated when the optical path difference of the first interferometer compensates that of the second interferometer. The end standards of up to 50 mm in length have been calibrated remotely with a standard deviation of about 34nm.
引用
收藏
页码:6287 / 6288
页数:2
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