English
Related papers

Related papers: A magneto-optical trap with millimeter ball lenses

200 papers

We investigate the operation of pyramidal magneto-optical traps (MOTs) microfabricated in silicon. Measurements of the loading and loss rates give insight into the role of the nearby surface in the MOT dynamics. Studies of the fluorescence…

Atomic Physics · Physics 2013-12-02 S Pollock , J P Cotter , A Laliotis , F Ramirez-Martinez , E A Hinds

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 describe a dynamic magneto-optical trap (MOT) suitable for the use with vacuum systems in which optical access is limited to a single window. This technique facilitates the long-standing desire of producing integrated atom chips, many of…

Atomic Physics · Physics 2016-11-28 Jo Rushton , Ritayan Roy , James Bateman , Matt Himsworth

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 have studied magneto-optical traps (MOTs) for efficient on-line trapping of radioactive atoms. After discussing a model of the trapping process in a vapor cell and its efficiency, we present the results of detailed experimental studies…

Atomic Physics · Physics 2014-11-18 S. N. Atutov , R. Calabrese , A. Facchini , G. Stancari , L. Tomassetti

We describe experiments on trapping of atoms in microscopic magneto-optical traps on an optically transparent permanent-magnet atom chip. The chip is made of magnetically hard ferrite-garnet material deposited on a dielectric substrate. The…

Quantum Physics · Physics 2009-11-13 A. Shevchenko , M. Heilio , T. Lindvall , A. Jaakkola , I. Tittonen , M. Kaivola , T. Pfau

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 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

Abstract The magneto-optical trap (MOT) is an essential tool for collecting and preparing cold atoms with a wide range of applications. We demonstrate a planar-integrated MOT by combining an optical grating chip with a magnetic coil chip.…

We realize laser cooling and trapping of titanium (Ti) atoms in a mangeto-optical trap (MOT). While Ti does not possess a transition suitable for laser cooling out of its $\mathrm{3d^24s^2}$ $\mathrm{a^3F}$ ground term, there is such a…

We report continuous loading of $^{\textrm{87}}$Rb atoms in a magneto-optical trap (MOT) at narrow linewidth, 420 nm 5S$_{1/2}$, F$=2\rightarrow$ 6P$_{3/2}$, F$=3$ blue transition (blue MOT). Continuous loading of the blue MOT is achieved…

Atomic Physics · Physics 2024-06-12 Rajnandan Choudhury Das , Samir Khan , Thilagaraj R , Kanhaiya Pandey

We demonstrate a three-dimensional magneto-optical trap (MOT) of a metal hydride molecule, CaH. We are able to scatter $\sim$$10^{4}$ photons with vibrational loss covered up to vibrational quantum number $\nu=2$. This allows us to laser…

Atomic Physics · Physics 2025-12-30 Jinyu Dai , Benjamin Riley , Qi Sun , Debayan Mitra , Tanya Zelevinsky

We demonstrate a novel way to form and deplete a vapor-cell magneto-optic trap (MOT) using a reversible, solid-state alkali-metal source (AMS) via an applied polarized voltage. Using ~100 mW of electrical power, a trapped-atom number of…

Atomic Physics · Physics 2019-06-26 S. Kang , K. R. Moore , J. P. McGilligan , R. Mott , A. Mis , C. Roper , E. A. Donley , J. Kitching

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 have examined loading of 85Rb atoms into a shallow Far-Off-Resonance Trap (FORT) from an optical molasses and compared it to loading from a Magneto-Optical Trap (MOT). We found that substantially more atoms could be loaded into the FORT…

Atomic Physics · Physics 2009-11-13 Mathew S. Hamilton , Anthony R. Gorges , Jacob L. Roberts

We present an experimental, numerical, and analytical study of strontium magneto-optical trap (MOT) loading from a cold atomic beam in a configuration optimized for high numerical aperture optical tweezers. Our approach orients the beam…

Atomic Physics · Physics 2026-02-06 M. Gaudesius , J. M. Lee , L. A. Kraft , J. C. Gordon , G. W. Biedermann

We report on the realization of a magneto-optical trap (MOT) for europium atoms using a narrow-line cooling transition with a natural linewidth of 97 kHz. Our starting point is continuous capturing and cooling of optically pumped metastable…

Quantum Gases · Physics 2021-06-02 Yuki Miyazawa , Ryotaro Inoue , Hiroki Matsui , Kenta Takanashi , Mikio Kozuma

Laser cooling and trapping are central to modern atomic physics. The workhorse technique in cold-atom physics is the magneto-optical trap (MOT), which combines laser cooling with a restoring force from radiation pressure. For a variety of…

Atomic Physics · Physics 2014-10-20 J. F. Barry , D. J. McCarron , E. B. Norrgard , M. H. Steinecker , D. DeMille

We report on a novel Magneto-Optical Trap (MOT) geometry involving the retroreflection of one of the six MOT beams in order to create an atom cloud close to the surface of a prism which does not have optical access along one axis. A MOT of…

Atomic Physics · Physics 2016-03-11 Jonathan Trossman , Zigeng Liu , Ming-Feng Tu , Selim Shariar , Brian Odom , J. B. Ketterson

Thulium atoms are trapped in a magneto-optical trap using a strong transition at 410 nm with a small branching ratio. We trap up to $7\times10^{4}$ atoms at a temperature of 0.8(2) mK after deceleration in a 40 cm long Zeeman slower.…

Atomic Physics · Physics 2010-12-27 D. Sukachev , A. Sokolov , K. Chebakov , A. Akimov , S. Kanorsky , N. Kolachevsky , V. Sorokin
‹ Prev 1 2 3 10 Next ›