Diddams, S.
, Udem, T.
, Vogel, K.
, Oates, C.
, Curtis, E.
, Windeler, R.
, Bartels, A.
, Bergquist, J.
and Hollberg, L.
(2001),
A Compact Femtosecond-Laser-Based Optical Clockwork, Laser Frequency Stabilization, Standards, Measurement, and Applications , San Jose, CA, [online], https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=105187
(Accessed December 14, 2024)