Document Detail

Atomic vapor cells for chip-scale atomic clocks with improved long-term frequency stability.
MedLine Citation:
PMID:  16196316     Owner:  NLM     Status:  PubMed-not-MEDLINE    
A novel technique for microfabricating alkali atom vapor cells is described in which alkali atoms are evaporated into a micromachined cell cavity through a glass nozzle. A cell of interior volume 1 mm3, containing 87Rb and a buffer gas, was made in this way and integrated into an atomic clock based on coherent population trapping. A fractional frequency instability of 6 x 10(-12) at 1000 s of integration was measured. The long-term drift of the F=1, mF=0-->F=2, mF=0 hyperfine frequency of atoms in these cells is below 5 x 10(-11)/day.
S Knappe; V Gerginov; P D D Schwindt; V Shah; H G Robinson; L Hollberg; J Kitching
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Optics letters     Volume:  30     ISSN:  0146-9592     ISO Abbreviation:  Opt Lett     Publication Date:  2005 Sep 
Date Detail:
Created Date:  2005-10-03     Completed Date:  2005-12-20     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  7708433     Medline TA:  Opt Lett     Country:  United States    
Other Details:
Languages:  eng     Pagination:  2351-3     Citation Subset:  -    
Time and Frequency Division, National Institute of Standards and Technology, Boulder, Colorado 8030, USA.
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