DocumentCode
2666519
Title
Progress on a cryogenic linear trap for /sup 199/Hg/sup +/ ions
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
1-3 June 1994
Firstpage
744
Lastpage
746
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
atomic clocks; atomic structure; frequency measurement; frequency stability; hyperfine structure; measurement standards; mercury (metal); radiation pressure; trapped ions; /sup 199/Hg/sup +/ ions; 40.5 GHz; Hg; accuracy; cryogenic linear trap; laser-cooled /sup 199/Hg/sup +/ ions; linear rf ion trap; liquid helium temperature; prototype 40.5 GHz frequency standard; stability; Cryogenics; Doppler shift; Frequency; Helium; Magnetic shielding; Mercury (metals); Optical resonators; Signal to noise ratio; Superconducting microwave devices; Temperature;
fLanguage
English
Publisher
ieee
Conference_Titel
Frequency Control Symposium, 1994. 48th., Proceedings of the 1994 IEEE International
Conference_Location
Boston, MA, USA
Print_ISBN
0-7803-1945-1
Type
conf
DOI
10.1109/FREQ.1994.398253
Filename
398253
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