Fractional frequency instability in the 10^−14 range with a thermal beam optical frequency reference

An optical beam frequency reference with 10−14 range frequency instability

(2009) J. J. McFerran et al.   APPLIED PHYSICS LETTERS

Absolute Frequency Measurement of theCa+404s S1/22−3d D5/22Clock Transition

(2009) M. Chwalla et al.   PHYSICAL REVIEW LETTERS

Frequency evaluation of the doubly forbiddenS01→P03transition in bosonicYb174

(2008) N. Poli et al.   PHYSICAL REVIEW A

Absolute frequency measurement of the magnesium intercombination transitionS01→P13

(2008) Jan Friebe et al.   PHYSICAL REVIEW A

New Limits on Coupling of Fundamental Constants to Gravity UsingSr87Optical Lattice Clocks

(2008) S. Blatt et al.   PHYSICAL REVIEW LETTERS

Invited Article: Design techniques and noise properties of ultrastable cryogenically cooled sapphire-dielectric resonator oscillators

(2008) C. R. Locke et al.   REVIEW OF SCIENTIFIC INSTRUMENTS

Frequency Ratio of Al+ and Hg+ Single-Ion Optical Clocks; Metrology at the 17th Decimal Place

(2008) T. Rosenband et al.   SCIENCE