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Related papers: Dual Hg-Rb magneto-optical trap

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A reaction microscope (ReMi) has been combined with a magneto-optical trap (MOT) for the kinematically complete investigation of atomic break-up processes. With the novel MOTReMi apparatus, the momentum vectors of the fragments of…

We report a compact setup with in-series two-dimensional magneto-optical traps (2D MOTs) that provides high-flux cold lithium and rubidium atoms. Thanks to the efficient short-distance Zeeman slowing, the maximum 3D MOT loading rate of…

Atomic Physics · Physics 2026-05-12 Yun-Xuan Lu , An-Wei Zhu , Christine E. Frank , Xin-Yi Huang , Xin-Yu Luo

We present a scheme for laser cooling applicable for an extremely dilute sample of magnetically trapped antihydrogen atoms($\bar{H}$). Exploiting and controlling the dynamical coupling between the $\bar{H}$'s motional degrees of freedom in…

Atomic Physics · Physics 2015-06-11 P. H. Donnan , M. C. Fujiwara , F. Robicheaux

We propose an alternative method to laser cooling. Our approach utilizes the extreme brightness of a supersonic atomic beam, and the adiabatic atomic coilgun to slow atoms in the beam or to bring them to rest. We show how internal-state…

We trap cold, ground-state, argon atoms in a deep optical dipole trap produced by a build-up cavity. The atoms, which are a general source for the sympathetic cooling of molecules, are loaded in the trap by quenching them from a cloud of…

Atomic Physics · Physics 2014-11-05 P. D. Edmunds , P. F. Barker

We have developed a compact setup which enables loading a magneto-optical trap (MOT) in ultra-high vacuum (UHV) environment. Nearly $1 \times 10^{8}$ atoms of $^{87}Rb$ are trapped in the MOT at $\sim 2 \times 10^{-10}$ Torr base pressure…

Atomic Physics · Physics 2022-06-28 Kavish Bharadwaj , Sourabh Sarkar , S. P. Ram , V. B. Tiwari , S. R. Mishra

We present the properties of a magneto-optical trap (MOT) of CaF molecules. We study the process of loading the MOT from a decelerated buffer-gas-cooled beam, and how best to slow this molecular beam in order to capture the most molecules.…

Atomic Physics · Physics 2017-12-06 H. J. Williams , S. Truppe , M. Hambach , L. Caldwell , N. J. Fitch , E. A. Hinds , B. E. Sauer , M. R. Tarbutt

We study the properties of a Rb magneto-optic trap loaded from a commercial getter source which provides a large flux of atoms for the trap along with the capability of rapid turn-off necessary for obtaining long trap lifetimes. We have…

Atomic Physics · Physics 2007-05-23 Umakant D. Rapol , Ajay Wasan , Vasant Natarajan

Magneto-optical trapping forces for molecules are far weaker than for alkali atoms because the photon scattering rate is reduced when there are multiple ground states, and because of optical pumping into dark states. The force is further…

Atomic Physics · Physics 2021-12-14 M. R. Tarbutt , T. C. Steimle

The trapping lasers of a magneto-optical trap (MOT) are used to bring Rb atoms into well defined oriented states. Coupled to recoil-ion momentum spectroscopy (RIMS), this yields a unique MOTRIMS setup which is able to probe scattering…

Atomic Physics · Physics 2013-09-30 A. Leredde , X. Fléchard , A. Cassimi , D. Hennecart , B. Pons

We present an unique experimental arrangement which permits the simultaneous trapping and cooling of ions and neutral atoms, within a Fabry-Perot (FP) cavity. The versatility of this hybrid trap experiment enables a variety of studies with…

Atomic Physics · Physics 2013-12-11 S. Jyothi , Tridib Ray , N. Bhargava Ram , S. A. Rangwala

We extend the technique originally proposed by Honda et al.to measure the temperature of Ytterbium and alkine-earth atoms confined in a Magneto-Optical Trap (MOT). The method is based on the analysis of excitation spectra obtained by…

Atomic Physics · Physics 2013-05-29 Matteo Cristiani , Tristan Valenzuela , Hannes Gothe , Jürgen Eschner

Trapping of atoms and molecules in electrostatic, magnetic and optical traps has enabled studying atomic and molecular interactions on a timescale of many seconds, allowing observations of ultra-cold collisions and reactions. Here we report…

Atomic Physics · Physics 2020-12-02 Michael Karpov , Martin Pitzer , Yair Segev , Julia Narevicius , Edvardas Narevicius

A novel cesium (Cs) two-color magneto-optical trap (TC-MOT), which partially employs the optical radiation forces due to photon scattering of the 6P3/2 (F'=5) - 7S1/2 (F"=4) excited-state transition in the Cs 6S1/2 - 6P3/2 - 7S1/2 (852 +…

Atomic Physics · Physics 2016-01-18 Jie Wang , Guang Yang , Baodong Yang , Jun He , Junmin Wang

We propose and experimentally demonstrate a novel scheme to magneto-optically trap neutral atoms in a ring shaped trap that can be used to transfer atoms into a circular magnetic trap with high density. This inturn enables to evaporatively…

Other Condensed Matter · Physics 2007-05-23 Makoto Morinaga

We report the direct loading of Yb atoms in the magneto-optical trap (MOT) using the intercombination narrow optical transition 6s$^2$ $^1$S$_0$ $\rightarrow$ 6s6p $^3$P$_1$ at 556 nm (green), known as green MOT with limited power of green…

We report the rapid accelerated thermalisation of Potassium 39 K atoms loaded in a magnetic trap, in the presence of a single dipole trap beam. More than an order of magnitude reduction in the thermalisation time, to less than a second, is…

Atomic Physics · Physics 2013-08-05 Dipankar Nath , R Kollengode Easwaran , G. Rajalakshmi , C. S. Unnikrishnan

We demonstrate laser cooling and magneto-optical trapping of europium. The atoms are optically pumped to a metastable state and then loaded from an atomic-beam source via conventional Zeeman slowing and magneto-optical trapping techniques…

Quantum Gases · Physics 2018-06-27 Ryotaro Inoue , Yuki Miyazawa , Mikio Kozuma

We report on the design and characterization of a cold atom source for strontium (Sr) based on a two-dimensional magneto-optical trap (MOT) that is directly loaded from the atom jet of a dispenser. We characterize the atom flux of the…

Calcium monofluoride (CaF) molecules are loaded into an optical dipole trap (ODT) and subsequently laser cooled within the trap. Starting with magneto-optical trapping, we sub-Doppler cool CaF and then load $150(30)$ CaF molecules into an…