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This study presents an experimental determination of spectroscopic parameters for the less-abundant isotopologues $^{42}$CaF and $^{44}$CaF, alongside $^{40}$CaF, using high-resolution laser-induced fluorescence spectroscopy in a skimmed…

We demonstrate in this paper a method to reconstruct the atom number distribution of a cloud containing a few tens of cold atoms. The atoms are first loaded from a magneto-optical trap into a microscopic optical dipole trap and then…

Quantum Gases · Physics 2011-08-01 A. Fuhrmanek , Y. R. P. Sortais , P. Grangier , A. Browaeys

We report the generation, trapping and sympathetic cooling of individual conformers of molecular ions with the example of cis- and trans-meta-aminostyrene. Following conformationally selective photoionization, the incorporation of the…

Chemical Physics · Physics 2023-08-09 Lei Xu , Jutta Toscano , Stefan Willitsch

We present an experimental study of Z-scan measurements of the nonlinear response of cold Cs atoms in a magneto-optical trap. Numerical simulations of the Z-scan signal accounting for the nonuniform atomic density agree with experimental…

Atomic Physics · Physics 2011-04-21 Yingxue Wang , M. Saffman

We report the fast accumulation of a large number of metastable 52Cr atoms in a mixed trap, formed by the superposition of a strongly confining optical trap and a quadrupolar magnetic trap. The steady state is reached after about 400 ms,…

A simple resonance ionization mass spectrometer is built with a Quadrupole Mass Spectrometer (QMS) and two laser diodes aiming at trace analysis of potassium. The overall detection efficiency is estimated comparing the yields of resonance…

Atomic Physics · Physics 2015-05-13 Yoshihiro Iwata , Yoshizumi Inoue , Makoto Minowa

We demonstrate the trajectory measurement of the single neutral atoms deterministically using a high-finesse optical micro-cavity. Single atom strongly couples to the high-order transverse vacuum TEM_{10} mode, instead of the usual TEM_{00}…

Quantum Physics · Physics 2015-05-20 Pengfei Zhang , Yanqiang Guo , Zhuoheng Li , Yanfeng Zhang , Jinjin Du , Gang Li , Junmin Wang , Tiancai Zhang

We present the first simultaneous trapping of two different ultracold atomic species in a conservative trap. Lithium and cesium atoms are stored in an optical dipole trap formed by the focus of a CO$_2$ laser. Techniques for loading both…

Atomic Physics · Physics 2009-11-07 A. Mosk , S. Kraft , M. Mudrich , K. Singer , W. Wohlleben , R. Grimm , M. Weidemuller

We experimentally demonstrate a detection scheme suitable for state analysis of single optically trapped atoms in less than 1 {\mu}s with an overall detection efficiency {\eta} exceeding 98%. The method is based on hyperfine-state-selective…

The eastern region of the calcium isotope chain of the nuclei chart is, nowadays, of great activity. The experimental assessment of the limit of stability is of interest to confirm or improve microscopic theoretical models. The goal of this…

Nuclear Theory · Physics 2020-12-02 A. C. Dassie , R. M. Id Betan

We propose and analyze a Cesium lattice optical clock (CLOC) which has the potential for high performance and simple operation in a compact form factor using a forbidden optical transition in Cs atoms at 685 nm. Cs atoms are trapped in a 3D…

Quantum Physics · Physics 2022-03-17 A. Sharma , S. Kolkowitz , M. Saffman

We present the creation of a lithium-cesium slow beam using a two-dimensional magneto-optical trap. The two-species atomic beam is directed to load a three-dimensional magneto-optical trap in ultrahigh vacuum. We achieve a loading rate of…

Atomic Physics · Physics 2021-02-24 Y. -D. Chen , W. -X. Li , M. -E. Chou , C. -H. Kuo , C. -S. Li , S. Tung

Scalable atom-based quantum platforms for simulation, computing, and metrology require fast high-fidelity, low-loss imaging of individual atoms. Standard fluorescence detection methods rely on continuous cooling, limiting the detection…

A simple and non-destructive method for identification of a single molecular ion sympathetically cooled by a single laser cooled atomic ion in a linear Paul trap is demonstrated. The technique is based on a precise determination of the…

Chemical Physics · Physics 2009-11-10 M. Drewsen , A. Mortensen , R. Martinussen , P. Staanum , J. L. Sørensen

We report the realization of a BEC of metastable helium-4 atoms (4He*) in an all optical potential. Up to 10^5 spin polarized 4He* atoms are condensed in an optical dipole trap formed from a single, focused, vertically propagating far…

Quantum Gases · Physics 2010-05-31 G. B. Partridge , J. -C. Jaskula , M. Bonneau , D. Boiron , C. I. Westbrook

We present the design of a diffraction limited, long working distance monochromatic objective lens for efficient light collection. Consisting of four spherical lenses, it has a numerical aperture of 0.29, an effective focal length of 36 mm…

Optics · Physics 2009-11-07 Wolfgang Alt

We present a practical scheme for the efficient preparation of laser-cooled $^{43}$Ca$^+$ ions in an ion trap. Our approach integrates two well-established methods: isotope-selective photoionization and isotope-specific parametric…

Atomic Physics · Physics 2024-08-22 C. -H. Kuo , Y. -C. Hsiao , C. -Y. Jhang , Y. -D. Chen , S. Tung

We report the laser-cooling and confinement of Cd atoms in a magneto-optical trap, and characterize the loading process from the background Cd vapor. The trapping laser drives the 1S0-1P1 transition at 229 nm in this two-electron atom and…

Atomic Physics · Physics 2009-11-13 K. -A. Brickman , M. -S. Chang , M. Acton , A. Chew , D. Matsukevich , P. C. Haljan , V. S. Bagnato , C. Monroe

We demonstrate rapid loading of a magneto-optical trap (MOT) of cadmium atoms from a pulsed cryogenic helium buffer gas beam, overcoming strong photoionization losses. Using the $ ^1S_0 \rightarrow{} ^1P_1 $ transition at 229 nm, we capture…

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
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