DocumentCode
2184683
Title
Progress toward a cryogenic /sup 199/Hg/sup +/ ion frequency standard
Author
Poitzsch, M.E. ; Bergquist, J.C. ; Itano, W.M. ; Wineland, D.J.
Author_Institution
Time & Frequency Div., Nat. Inst. of Stand. & Technol., Boulder, CO, USA
fYear
1994
fDate
June 27 1994-July 1 1994
Firstpage
31
Lastpage
32
Abstract
We have observed linear "crystals" of up to tens of laser-cooled /sup 199/Hg/sup +/ ions in a new cryogenic linear rf ion trap that operates at liquid helium temperature and is designed for use as a prototype 40.5 GHz frequency standard with high accuracy and stability.<>
Keywords
beam handling techniques; cryogenics; frequency measurement; measurement standards; mercury (metal); particle traps; positive ions; radiation pressure (atoms); 40.5 GHz; Hg; cryogenic linear RF ion trap; frequency standard; laser-cooled /sup 199/Hg/sup +/ ions; linear crystals; liquid helium temperature; stability; Charge carrier processes; Copper; Cryogenics; Crystals; Frequency; Mercury (metals); Optical resonators; Superconducting coils; Superconducting microwave devices; Testing;
fLanguage
English
Publisher
ieee
Conference_Titel
Precision Electromagnetic Measurements, 1994. Digest., 1994 Conference on
Conference_Location
Boulder, CO, USA
Print_ISBN
0-7803-1984-2
Type
conf
DOI
10.1109/CPEM.1994.333302
Filename
333302
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