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Related papers: The athermal Laser

200 papers

We demonstrate an ultraviolet diode laser system for cooling of trapped ytterbium ions. The laser power and linewidth are comparable to previous systems based on resonant frequency doubling, but the system is simpler, more robust, and less…

Atomic Physics · Physics 2011-01-25 D. Kielpinski , M. Cetina , J. A. Cox , F. X. Kaertner

In this review, we discuss the impact of the development of lasers on ultracold atoms and molecules and their applications. After a brief historical review of laser cooling and Bose-Einstein condensation, we present important applications…

The paper offers a discrete thermodynamic model of lasers. Laser is an open system; its equilibrium is based on a balance of two thermodynamic forces, one related to the incoming pumping power and another to the emitted light. The basic…

Optics · Physics 2007-05-23 B. Zilbergleyt

We are proposing a novel method of laser heating control only through change in polarization of the incident light, keeping its power density constant. The idea combines antenna effect found in isolated multi-walled carbon nanotubes and the…

Mesoscale and Nanoscale Physics · Physics 2015-06-05 M. Zdrojek , J. Judek , M. Wasik

A new proposal for the implementation of LARES mission is presented. In particular, a new observable is proposed and alternative scenarios are discussed.

General Relativity and Quantum Cosmology · Physics 2007-05-23 Lorenzo Iorio , David M. Lucchesi , I. Ciufolini

A novel laser cooling mechanism was recently demonstrated using a narrow-linewidth optical transition. Counter-propagating laser beams are swept in frequency to cause adiabatic transfer between a ground state and excited state, and Doppler…

Atomic Physics · Physics 2019-09-04 Graham P. Greve , Baochen Wu , James K. Thompson

A novel laser cooling mechanism based on many body effects is presented. The method can be applicable for cooling a large class of atoms and molecules in higher density than commonly excepted by existing methods. The cooling mechanism…

Atomic Physics · Physics 2021-03-11 Roie Dann , Ronnie Kosloff

We propose a new type of superradiant laser based on a hot atomic beam traversing an optical cavity. We show that the theoretical minimum linewidth and maximum power are competitive with the best ultracoherent clock lasers. Also, our system…

Recent advances in electron and positron sources have resulted in new capabilities driven in most cases by the increasing demands of advanced accelerating systems. Electron sources for brighter beams and for high average-current beams are…

Accelerator Physics · Physics 2009-11-06 J. E. Clendenin

Numerical simulations show that laser cooling of fermions on the repulsive side of the Feshbach resonance can sympathetically cool molecules well below their condensation temperature.

Soft Condensed Matter · Physics 2009-11-11 Jacek Dziarmaga , Maciej Lewenstein

In most systems, thermal diffusion is intrinsically slow with respect to mechanical relaxation. We devise here a generic approach to accelerate the relaxation of the temperature field of a 1D object, in order to beat the mechanical time…

Applied Physics · Physics 2023-03-23 Basile Pottier , Carlos Plata , Emmanuel Trizac , David Guéry-Odelin , Ludovic Bellon

We provide a theoretical analysis for a recently demonstrated cooling method. Two-level particles undergo successive adiabatic transfers upon interaction with counter-propagating laser beams that are repeatedly swept over the transition…

We report the experimental realisation of a multibeam atom laser. A single continuous atom laser is outcoupled from a Bose-Einstein condensate (BEC) via an optical Raman transition. The atom laser is subsequently split into up to five…

Other Condensed Matter · Physics 2009-11-13 J. Dugué , G. Dennis , M. Jeppesen , M. T. Johnsson , C. Figl , N. P. Robins , J. D. Close

In this article, we explore how cryogenic cooling of the Ti:sapphire laser crystal greatly reduces thermal lensing by over an order of magnitude because of two factors: (i) the increase in the thermal conductivity of the crystal, and (ii)…

Optics · Physics 2022-12-13 Simai Jia

We propose the application of laser cooling to a number of transition-metal atoms, allowing numerous bosonic and fermionic atomic gases to be cooled to ultra-low temperatures. The non-zero electron orbital angular momentum of these atoms…

Atomic Physics · Physics 2020-12-03 Scott Eustice , Kayleigh Cassella , Dan Stamper-Kurn

The acceleration of polarized electrons, positrons, protons and ions in strong laser and plasma fields is a very attractive option to obtain polarized beams in the multi-MeV range. Recently, there has been substantial progress in the…

Accelerator Physics · Physics 2020-11-04 Markus Büscher , Anna Hützen , Liangliang Ji , Andreas Lehrach

In this paper we present experimental results and theory on the first continuous (long pulse) Raman atom laser. The brightness that can be achieved with this system is three orders of magnitude greater than has been previously demonstrated…

Other Condensed Matter · Physics 2009-11-11 N. P. Robins , C. Figl , S. A. Haine , A. K. Morrison , M. Jeppesen , J. J. Hope , J. D. Close

We present first indications of sympathetic cooling between two neutral, optically trapped atomic species. Lithium and cesium atoms are simultaneously stored in an optical dipole trap formed by the focus of a CO$_2$ laser, and allowed to…

Atomic Physics · Physics 2017-08-23 S. Kraft , M. Mudrich , K. Singer , R. Grimm , A. Mosk , M. Weidemueller

This tutorial provides a hands-on entry point about laser locking for atomic vapor research and related research such as laser cooling. We furthermore introduce common materials and methods for the fabrication of vapor cells as a tool for…

Atomic Physics · Physics 2024-06-07 Max Mäusezahl , Fabian Munkes , Robert Löw