Title :
Ultra-high stability optical frequency standard based on laser-cooled neutral calcium
Author :
Wilpers, G. ; Oates, C.W. ; Diddams, S.A. ; Bartels, A. ; Oskay, W.H. ; Bergquist, J.C. ; Hollberg, L.
Author_Institution :
Nat. Inst. of Stand. & Technol., Boulder, CO, USA
Abstract :
A beatnote between the Ca and Hg+ optical frequency standards via a mode-locked fs-laser frequency comb demonstrates the highest frequency stability measured to date. The high stability accelerates evaluation of the Ca standard´s systematic shifts.
Keywords :
calcium; frequency stability; frequency standards; high-speed optical techniques; laser cooling; laser mode locking; mercury (metal); optical variables measurement; Ca; Hg+; frequency stability; laser-cooled neutral calcium; mode-locked fs-laser frequency comb; ultra-high stability optical frequency standard; Atom optics; Atomic beams; Atomic measurements; Calcium; Cooling; Frequency measurement; Laser stability; Measurement standards; Probes; Temperature;
Conference_Titel :
Lasers and Electro-Optics, 2005. (CLEO). Conference on
Print_ISBN :
1-55752-795-4
DOI :
10.1109/CLEO.2005.202140
