Authors:
Vogel, KR
Diddams, SA
Oates, CW
Curtis, EA
Rafac, RJ
Itano, WM
Bergquist, JC
Fox, RW
Lee, WD
Wells, JS
Hollberg, L
Citation: Kr. Vogel et al., Direct comparison of two cold-atom-based optical frequency standards by using a femtosecond-laser comb, OPTICS LETT, 26(2), 2001, pp. 102-104
Authors:
Udem, T
Diddams, SA
Vogel, KR
Oates, CW
Curtis, EA
Lee, WD
Itano, WM
Drullinger, RE
Bergquist, JC
Hollberg, L
Citation: T. Udem et al., Absolute frequency measurements of the Hg+ and Ca optical clock transitions with a femtosecond laser, PHYS REV L, 86(22), 2001, pp. 4996-4999