Sub-Doppler cooling with the 1S0-1P 1 line in ytterbium

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Abstract

We have studied the temperatures of several neutral Yb isotopes in a magneto-optical trap (MOT) using the 1S0- 1P1 transition at 398.9 nm. We use a compact MOT with a titanium vacuum chamber and a high degree of othogonality between the beams. Minimum temperatures of 170 μK and 80 μK are recorded for 171Yb, and 173Yb, respectively, while 0.95 mK is measured for 172Yb. By comparison the 1D Doppler cooling temperature limit is 694 μK. The results augur well for future lattice clocks that use Yb. We comment on the significance of sub-Doppler cooling of atoms with ground-state total angular momentum F =1/2, as is the case for 171Yb. © 2014 IEEE.
Original languageEnglish
Title of host publication2014 IEEE International Frequency Control Symposium Proceedings
Place of PublicationPiscataway, NJ, USA
PublisherIEEE, Institute of Electrical and Electronics Engineers
Pages218-221
Volume1
ISBN (Print)9781479949168
DOIs
Publication statusPublished - 2014
EventIEEE International Frequency Control Symposium, IFCS 2014 - Taiwan, Taipei, Taiwan, Province of China
Duration: 19 May 201422 May 2014
Conference number: 107273

Conference

ConferenceIEEE International Frequency Control Symposium, IFCS 2014
Abbreviated titleIFCS 2014
Country/TerritoryTaiwan, Province of China
CityTaipei
Period19/05/1422/05/14

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