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We report on an efficient production scheme for a large quantum degenerate sample of fermionic lithium. The approach is based on our previous work on narrow-line $ 2S_{1/2}\rightarrow 3P_{3/2} $ laser cooling resulting in a high phase-space…

Quantum Gases · Physics 2016-06-01 Ch. Gross , H. C. J. Gan , K. Dieckmann

We demonstrate a novel optical dipole trap which is based on the enhancement of the optical power density of a Nd:YAG laser beam in a resonator. The trap is particularly suited for experiments with ultracold gases, as it combines a…

Atomic Physics · Physics 2009-11-07 A. Mosk , S. Jochim , H. Moritz , Th. Elsaesser , M. Weidemueller , R. Grimm

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 show the possibility of implementing a deep dissipative optical lattice for neutral atoms with a macroscopic period. The depth of the lattice can reach magnitudes comparable to the depth of the magneto-optical traps (MOT), while the…

Atomic Physics · Physics 2023-11-28 O. N. Prudnikov , R. Ya. Ilenkov , A. V. Taichenachev , V. I. Yudin , S. N. Bagaev

Collisions with background atoms are known to induce a significant shift in the frequency of state-of-the-art optical atomic clocks and contribute to state decoherence in cold atom experiments. The effects of these collisions can be…

We report on an investigation of loading characteristics of deep microscopic dipole traps. The dipole trap is loaded from a low density magneto optical trap (MOT) containing $\approx 5\times 10^{6}$ atoms. We determine the loading…

Atomic Physics · Physics 2010-09-15 P. Kulatunga , T. Blum , D. Olek

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 developed a magneto-optical trap reaction microscope (MOTREMI) for strontium atoms by combining the multi-particle coincident detection with laser cooling technique. Present compact injection system can provide cold Sr atoms in three…

We present an experimental realization of a moving magnetic trap decelerator, where paramagnetic particles entrained in a cold supersonic beam are decelerated in a co-moving magnetic trap. Our method allows for an efficient slowing of both…

Experiments using laser cooled atoms and ions show real promise for practical applications in quantum- enhanced metrology, timing, navigation, and sensing as well as exotic roles in quantum computing, networking and simulation. The heart of…

Instrumentation and Detectors · Physics 2015-06-19 Joseph Rushton , Matthew Aldous , Matt Himsworth

We report the laser cooling and trapping of neutral potassium on an open transition. Fermionic 40K is captured using a magneto-optical trap (MOT) on the closed 4S-4P transition at 767 nm and then transferred, with unit efficiency, to a MOT…

Quantum Gases · Physics 2012-01-11 D. C. McKay , D. Jervis , D. J. Fine , J. W. Simpson-Porco , G. J. A. Edge , J. H. Thywissen

We report on laser cooling and magneto-optical trapping of atomic zinc. The atoms are cooled using the 213.9\,nm $^1$S$_0$ $\rightarrow$ $^1$P$_1$ transition, making this the shortest wavelength employed for magneto-optical trapping thus…

Atomic Physics · Physics 2025-10-27 Lukas Möller , Simon Stellmer

Demonstrating that despite loss processes, Bose-Einstein condensates can be formed in steady state is a prerequisite for obtaining a coherent beam of atoms in a continuous-wave atom laser. In this paper we propose a method for loading atoms…

Quantum Physics · Physics 2009-11-06 Satyan Bhongale , Murray Holland

We demonstrate loading of a Li magneto-optical trap using light-induced atomic desorption. The magneto-optical trap confines up to approximately $4\times10^{4}$ $^{7}\text{Li}$ atoms with loading rates up to approximately $4\times10^{3}$…

Atomic Physics · Physics 2018-10-17 D. S. Barker , E. B. Norrgard , J. Scherschligt , J. A. Fedchak , S. Eckel

We report on a strategy to maximize the number of chromium atoms transferred from a magneto-optical trap into an optical trap through accumulation in metastable states via strong optical pumping. We analyse how the number of atoms in a…

Quantum Gases · Physics 2015-05-18 G. Bismut , B. Pasquiou , D. Ciampini , B. Laburthe-Tolra , E. Marechal , L. Vernac , O. Gorceix

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 present a high-flux source of cold strontium atoms based on a two-dimensional magneto-optical trap (2D MOT) and a Zeeman slower. We use the source to load a 3D MOT in a separate science chamber, observing a loading rate of $4 \times…

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 demonstrate loading of ions into a surface-electrode trap (SET) from a remote, laser-cooled source of neutral atoms. We first cool and load $\sim$ $10^6$ neutral $^{88}$Sr atoms into a magneto-optical trap from an oven that has no line…

Atomic Physics · Physics 2015-06-05 Jeremy M. Sage , Andrew J. Kerman , John Chiaverini

We demonstrate experimentally the continuous and pulsed loading of a slow and cold atomic beam into a magnetic guide. The slow beam is produced using a vapor loaded laser trap, which ensures two-dimensional magneto-optical trapping, as well…

Condensed Matter · Physics 2015-06-24 P. Cren , C. F. Roos , A. Aclan , J. Dalibard , D. Guéry-Odelin
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