![[WORLD SCIENTIFIC Proceedings of the 6th Symposium - University of St Andrews, Fife, Scotland (9 – 14 September 2001)] Frequency Standards and Metrology - A FEMTOSECOND-LASER-BASED OPTICAL CLOCKWORK]()
[WORLD SCIENTIFIC Proceedings of the 6th Symposium - University of St Andrews, Fife, Scotland (9 – 14 September 2001)] Frequency Standards and Metrology - A FEMTOSECOND-LASER-BASED OPTICAL CLOCKWORKDIDDAMS, S. A.; UDEM, TH.; VOGEL, K. R.; MA, L.-S.; ROBERTSSON, L.; OATES, C. W.; CURTIS, E. A.; ITANO, W. M.; DRULLINGER, R. E.; WINELAND, D. J.; BERGQUIST, J. C.; HOLLBERG, L.