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Related papers: Two-species magneto-optical trap with 40K and 87Rb

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We present a dual isotope magneto-optical trap (MOT), simultaneous sub-Doppler laser cooling, and magnetic trapping of a spin-polarized $^{39}$K-$^{40}$K Bose-Fermi mixture realized in a single-chamber setup with an unenriched potassium…

Atomic Physics · Physics 2024-05-02 Mateusz Bocheński , Jakub Dobosz , Mariusz Semczuk

We present the simultaneous trapping and cooling of ${}^{85}$Rb, ${}^{87}$Rb and ${}^{133}$Cs in a triple-species magneto-optical trap (MOT). This demonstration is obtained using an all-fibre compact and robust laser system based on telecom…

We present the design, implementation and characterization of a dual-species magneto-optical trap (MOT) for fermionic 6Li and 40K atoms with large atom numbers. The MOT simultaneously contains 5.2x10^9 6Li-atoms and 8.0x10^9 40K-atoms,…

We present an apparatus for the study of an ultracold gaseous atomic mixture of 133Cs and 87Rb. The mixture is prepared using a double magneto-optical trap (MOT) system in which a two-species pyramid MOT acts as a source of cold atoms for a…

Other Condensed Matter · Physics 2009-11-13 M. L. Harris , P. Tierney , S. L. Cornish

We present a two-species laser cooling apparatus capable of simultaneously collecting Rb and Hg atomic gases into a magneto-optical trap (MOT). The atomic sources, laser system, and vacuum set-up are described. While there is a loss of Rb…

We describe a three-dimensional (3D) magneto-optical trap (MOT) capable of simultaneously capturing 85Rb and 133Cs atoms. Unlike conventional setups, our system utilizes two separate laser systems that are combined before entering the…

We demonstrate a Magneto-Optical Trap (MOT) configuration which employs optical forces due to light scattering between electronically excited states of the atom. With the standard MOT laser beams propagating along the {\it x}- and {\it y}-…

Atomic Physics · Physics 2012-12-05 Saijun Wu , Thomas Plisson , Roger Brown , William D. Phillips , J. V. Porto

We present a machine built for experiments with ultracold mixtures of strontium and lithium atoms. The machine includes a science vacuum chamber and the relevant laser systems for cooling and trapping the atoms. With this machine, we…

Quantum Gases · Physics 2019-04-11 Xiaobin Ma , Zhuxiong Ye , Liyang Xie , Zhen Guo , Li You , Meng Khoon Tey

We report on the first realization of a two-species magneto-optical trap (MOT) for erbium and dysprosium. The MOT operates on an intercombination line for the respective species. Owing to the narrow-line character of such a cooling…

Quantum Gases · Physics 2018-03-02 P. Ilzhöfer , G. Durastante , A. Patscheider , A. Trautmann , M. J. Mark , F. Ferlaino

We demonstrate a continuously loaded $^{88}\mathrm{Sr}$ magneto-optical trap (MOT) with a steady-state phase-space density of $1.3(2) \times 10^{-3}$. This is two orders of magnitude higher than reported in previous steady-state MOTs. Our…

Atomic Physics · Physics 2018-03-28 Shayne Bennetts , Chun-Chia Chen , Benjamin Pasquiou , Florian Schreck

We present an efficient cooling scheme for fermionic $^{40}{\text{K}}$ atoms, using laser light red and blue detuned with respect to the $\mathcal{D}2$ and $\mathcal{D}1$ principle flourescence lines, respectively. The cooling scheme is…

Quantum Gases · Physics 2023-11-02 Yann Kiefer , Max Hachmann , Andreas Hemmerich

We report optical trapping of laser-cooled molecules at sufficient density to observe molecule-molecule collisions for the first time in a bulk gas. SrF molecules from a red-detuned magneto-optical trap (MOT) are compressed and cooled in a…

Atomic Physics · Physics 2024-05-09 Varun Jorapur , Thomas K. Langin , Qian Wang , Geoffrey Zheng , David DeMille

We report a two-color magneto-optical trap (MOT) for ytterbium atoms operating at a low magnetic field gradient down to 2 G/cm where a conventional MOT using the singlet transition (6s^2 1S0 -> 6s6p 1P1) is unable to trap atoms. By…

Atomic Physics · Physics 2016-08-07 Akio Kawasaki , Boris Braverman , QinQin Yu , Vladan Vuletić

We demonstrate the loading of a Bose-Fermi mixture into a microfabricated magnetic trap. In a single-chamber vacuum system, laser-cooled atoms are transported to the surface of a substrate on which gold wires have been microfabricated. The…

We report on the production of a 41K-87Rb dual-species Bose-Einstein condensate in a hybrid trap, consisting of a magnetic quadrupole and an optical dipole potential. After loading both atomic species in the trap, we cool down 87Rb first by…

We demonstrate for the first time the two-color cooling and trapping of alkaline-earth atoms in a grating magneto-optical trap (gMOT). The trap is formed by a single incident laser beam together with four secondary beams that are generated…

Atomic Physics · Physics 2021-12-17 Saskia Bondza , Christian Lisdat , Stefanie Kroker , Tobias Leopold

We discuss cooling efficiency for different-species Fermi-Bose mixtures in magnetic traps. A better heat capacity matching between the two atomic species is achieved by a proper choice of the Bose cooler and the magnetically trappable…

Superconductivity · Physics 2009-11-10 Michael Brown-Hayes , Roberto Onofrio

We exploit red- and blue-detuned magneto optical trapping (MOT) of $^{87}$Rb benefitting from a simplified setup based on liquid crystal variable retarders (LCVR). To maintain the trapping forces when switching from a red- to a blue-detuned…

Atomic Physics · Physics 2022-02-08 Baptist Piest , Vera Vollenkemper , Jonas Böhm , Alexander Herbst , Ernst M. Rasel

We report laser cooling and trapping of ytterbium atoms in a two-color magneto-optical trap (MOT). Benefited from both the broad singlet transition ($^1\text{S}_0\rightarrow {}^1\text{P}_1$) and the narrow intercombination transition…

Atomic Physics · Physics 2025-10-17 Xiao Li , Yufei Wang , Ligeng Yu , Bo Song

We describe an experimental setup designed to produce ultracold trapped gas clouds of fermionic 6Li and bosonic 87Rb. This combination of alkali metals has the potential to reach deeper Fermi degeneracy with respect to other mixtures since…

Atomic Physics · Physics 2009-11-13 M. Brown-Hayes , Q. Wei , W. -J. Kim , R. Onofrio
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