Title :
Sub-Doppler atomic velocities for an optical frequency standard by Maxwell´s demon cooling
Author :
Binnewies, T. ; Sterr, U. ; Helmcke, J. ; Riehle, F.
Author_Institution :
Phys. Tech. Bundesanstalt, Braunschweig, Germany
Abstract :
We report on a novel cooling scheme that allows sub-Doppler cooling of atoms previously subject to the Doppler limit. The method was applied to enhance the fringe contrast in an optical Ca frequency standard.
Keywords :
Doppler measurement; calcium; frequency standards; laser cooling; Ca; Ca frequency standard; Doppler limit; Maxwell´s demon cooling; atoms; laser cooling; optical frequency standard; stability; sub-Doppler cooling; Atom lasers; Atom optics; Atomic beams; Atomic measurements; Cooling; Frequency; Optical interferometry; Optical pulses; Pump lasers; Stationary state;
Conference_Titel :
Precision Electromagnetic Measurements Digest, 2000 Conference on
Conference_Location :
Sydney, NSW, Australia
Print_ISBN :
0-7803-5744-2
DOI :
10.1109/CPEM.2000.850945
