Recent progress of an atomic fountain frequency standard NMIJ-F1 (2006 - 2007)

We review the current status of development of NMIJ-F1 for the recent two years. We have performed frequency measurement a few times per year with a combined (Type A, Type B) uncertainty of 3.9times10 -15 . For more frequent contribution to keep International Atomic Time (TAI), optics and microwave...

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Hauptverfasser: Yanagimachi, S., Takamizawa, A., Yoshida, Y., Yanagimachi, A., Watabe, K., Hagimoto, K., Ikegami, T.
Format: Tagungsbericht
Sprache:eng
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Zusammenfassung:We review the current status of development of NMIJ-F1 for the recent two years. We have performed frequency measurement a few times per year with a combined (Type A, Type B) uncertainty of 3.9times10 -15 . For more frequent contribution to keep International Atomic Time (TAI), optics and microwave system have been modified.
ISSN:0589-1485
2160-0171
DOI:10.1109/CPEM.2008.4574784