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A 399nm Laser System for Laser Cooling of Ytterbium Atoms

권민식

Jan 1, 20130 citations

A single-stage 1112 nm fiber amplifier with large gain for laser cooling of ytterbium

Tobias Franzen, Bastian Pollklesener, Axel Görlitz

Applied Physics BNov 20, 20183 citations

Laser-cooled ytterbium-ion microwave frequency standard

S. Mulholland, H. A. Klein, G. P. Barwood +6 more

arXiv:1811.06421Applied Physics BOct 5, 201925 citations

LAZERNOE OKhLAZhDENIE IONA ITTERBIYa-171 BEZ ISPOL'ZOVANIYa MAGNITNOGO POLYa

Прудников Олег Николаевич, D. S. Krysenko, A. V Taychenachev +4 more

A scheme for laser cooling of an 171 Yb + ion in a radio-frequency trap using a three-frequency laser field with its components resonant to optical transitions of the line 2 S 1/ 2 → 2 P 1/ 2, which does not require a magnetic field, is experimentally implemented. The exclusion of the magnetic field in the laser cooling cycle allows for precise control of a weak magnetic field (∼ 10 - 2 Gs), used for spectroscopy of clock transitions in the optical frequency standard based on a single ytterbium ion, which is important for suppressing frequency shifts associated with the quadratic Zeeman effect.A scheme for laser cooling of an 171 Yb + ion in a radio-frequency trap using a three-frequency laser field with its components resonant to optical transitions of the line 2 S 1/ 2 → 2 P 1/ 2, which does not require a magnetic field, is experimentally implemented. The exclusion of the magnetic field in the laser cooling cycle allows for precise control of a weak magnetic field (∼ 10 - 2 Gs), used for spectroscopy of clock transitions in the optical frequency standard based on a single ytterbium ion, which is important for suppressing frequency shifts associated with the quadratic Zeeman effect.

Журнал Экспериментальной и Теоретической ФизикиNov 1, 20240 citations

Techniques in laser cooling and trapping of atomic ytterbium

Robert William Shivitz

Jan 1, 20030 citations

Atom Chip and Diffraction Grating for the Laser Cooling of Ytterbium Atoms

Anton P. Vyalykh, P. I. Skakunenko, M. V. Shishova +5 more

The possibility of using an atom chip and a diffraction grating to form a compact magneto-optical trap for ytterbium atoms, which can be used to develop compact atomic interferometers and optical clocks based on ultracold atoms, has been studied. An experiment on the laser cooling of the 171Yb and 174Yb isotopes in a first‑stage magneto-optical trap has been carried out to determine initial requirements for the mentioned elements. The design of the atom chip forming a magnetic field gradient up to 60 G/cm has been calculated. The optimal configurations of the diffraction grating that allow forming both the first- and second-stage magneto-optical traps have been evaluated.The possibility of using an atom chip and a diffraction grating to form a compact magneto-optical trap for ytterbium atoms, which can be used to develop compact atomic interferometers and optical clocks based on ultracold atoms, has been studied. An experiment on the laser cooling of the 171Yb and 174Yb isotopes in a first‑stage magneto-optical trap has been carried out to determine initial requirements for the mentioned elements. The design of the atom chip forming a magnetic field gradient up to 60 G/cm has been calculated. The optimal configurations of the diffraction grating that allow forming both the first- and second-stage magneto-optical traps have been evaluated.

Journal of Experimental and Theoretical Physics LettersFeb 1, 20247 citations

A two-stage laser cooling system for ytterbium-171 ions without a magnetic field

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