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Related papers: Multistage Zeeman deceleration of atomic and molec…

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Zeeman deceleration is a relatively new technique used to obtain full control over the velocity of paramagnetic atoms or molecules in a molecular beam. We present a detailed description of a multistage Zeeman decelerator that has recently…

Atomic Physics · Physics 2019-01-15 Theo Cremers , Niek Janssen , Edwin Sweers , Sebastian Y. T. van de Meerakker

We present a new concept for a multi-stage Zeeman decelerator that is optimized particularly for applications in molecular beam scattering experiments. The decelerator consists of a series of alternating hexapoles and solenoids, that…

A supersonic beam of metastable neon atoms has been decelerated by exploiting the interaction between the magnetic moment of the atoms and time-dependent inhomogeneous magnetic fields in a multistage Zeeman decelerator. Using 91…

We demonstrate the successful experimental implementation of a multi-stage Zeeman decelerator utilizing the new concept described in the accompanying paper. The decelerator consists of an array of 25 hexapoles and 24 solenoids. The…

Zeeman deceleration is an experimental technique in which inhomogeneous, time-dependent magnetic fields generated inside an array of solenoid coils are used to manipulate the velocity of a supersonic beam. A 12-stage Zeeman decelerator has…

Atomic Physics · Physics 2015-06-18 Katrin Dulitz , Michael Motsch , Nicolas Vanhaecke , Timothy P. Softley

We report on the Zeeman deceleration of ground-state NH radicals, using a decelerator that consists of 100 pulsed solenoids and 100 permanent hexapoles. Packets of state-selected NH ($X\,^3\Sigma^-$, N=0, J=1) radicals are produced with…

Atomic Physics · Physics 2019-03-27 Vikram Plomp , Zhi Gao , Theo Cremers , Sebastiaan Y. T. van de Meerakker

We present a novel slowing scheme for beams of laser-coolable diatomic molecules reminiscent of Zeeman slowing of atomic beams. The scheme results in efficient compression of the 1-dimensional velocity distribution to velocities trappable…

Atomic Physics · Physics 2018-05-09 Maurice Petzold , Paul Kaebert , Philipp Gersema , Mirco Siercke , Silke Ospelkaus

We present a moving-trap Zeeman decelerator (MTZD) for use in molecular beam manipulation and magnetic-trapping experiments of paramagnetic atoms and molecules. The 0.49 m MTZD consists of a combination of a 2D magnetic quadrupole guide and…

Atomic Physics · Physics 2018-07-30 Lewis A. McArd , Arin Mizouri , Paul A. Walker , Vijay Singh , Ulrich Krohn , Ed A. Hinds , David Carty

A novel traveling-wave Zeeman decelerator based on a double-helix coil geometry capable of decelerating paramagnetic molecules with high efficiency is presented. Moving magnetic traps are generated by applying time-dependent currents…

We present experimental results that demonstrate - for the first time - the Zeeman deceleration of helium atoms in the metastable 2^3S_1state. A more than 40% decrease of the kinetic energy of the beam is achieved for deceleration from 490…

Atomic Physics · Physics 2015-06-23 Katrin Dulitz , Atreju Tauschinsky , Timothy P Softley

We here report on the experimental realization of a microwave decelerator for neutral polar molecules, suitable for decelerating and focusing molecules in high-field-seeking states. The multi-stage decelerator consists of a cylindrical…

Chemical Physics · Physics 2015-06-04 Simon Merz , Nicolas Vanhaecke , Wolfgang Jäger , Melanie Schnell , Gerard Meijer

A transverse Zeeman slower composed of an array of compact discrete neodymium magnets is considered. A simple and precise model of such a slower based on magnetic dipoles is developed. The theory of a general Zeeman slower is modified to…

Atomic Physics · Physics 2009-11-13 Yuri B. Ovchinnikov

We report on the implementation of a dynamically configurable, servomotor- controlled, permanent magnet Zeeman slower for quantum optics experiments with ultracold atoms and molecules. This atom slower allows for switching between magnetic…

Atomic Physics · Physics 2015-05-30 G. Reinaudi , C. B. Osborn , K. Bega , T. Zelevinsky

We present the design, construction, and characterisation of longitudinal- and transverse-field Zeeman slowers, based on arrays of permanent magnets, for slowing thermal beams of atomic Sr. The slowers are optimised for operation with…

Atomic Physics · Physics 2015-06-18 Ian R. Hill , Yuri B. Ovchinnikov , Elizabeth M. Bridge , E. Anne Curtis , Patrick Gill

We explore a technique for decelerating molecules using a static magnetic field and optical pumping. Molecules travel through a spatially varying magnetic field and are repeatedly pumped into a weak-field seeking state as they move towards…

Atomic Physics · Physics 2016-09-20 N. J. Fitch , M. R. Tarbutt

We report on design and construction of a Zeeman slower for strontium atoms which will be used in an optical atomic clock experiment. The paper describes briefly required specifications of the device, possible solutions, and concentrates on…

Atomic Physics · Physics 2010-06-09 Marcin Bober , Jerzy Zachorowski , Wojciech Gawlik

We describe a simple Zeeman slower design using permanent magnets. Contrary to common wire-wound setups no electric power and water cooling are required. In addition, the whole system can be assembled and disassembled at will. The magnetic…

We present a robust, continuous molecular decelerator that employs high magnetic fields and few optical pumping steps. CaOH molecules are slowed, accumulating at low velocities in a range sufficient for loading both magnetic and…

We proposed a general Zeeman slower scheme applicable to the majority of the laser-coolable molecules. Different from previous schemes, the key idea of our scheme lies in that the compensation of the detuning with the magnetic field is done…

Atomic Physics · Physics 2019-11-13 Qian Liang , Wenhao Bu , Yuhe Zhang , Tao Chen , Bo Yan

Metastable helium molecules (He$_2^*$) have been generated by striking a discharge in a supersonic expansion of helium gas from a pulsed valve. When operating the pulsed valve at room temperature, 77K, and 10K, the mean velocity of the…

Chemical Physics · Physics 2014-04-24 Michael Motsch , Paul Jansen , Josef A. Agner , Hansjürg Schmutz , Frédéric Merkt
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