2024 Cesium gray molasses

Cesium gray molasses

Author: dyuy

August undefined, 2024

WebWe report on the eﬃcient gray molasses cooling of sodium atoms using the D2 optical transition ′ = 2i and F′ = 3i in the excited state 32P 3/2, this atomic transition is eﬀective for the gray molasses cooling mechanism. Using this cooling technique, the atomic sample in F = 2 ground manifold is cooled from 700 µK to 56 µK in 3.5 ms. WebJul 16, 2024 · We present a systematic study on the Raman gray molasses cooling (RGMC) of cesium atoms on the $D_2$ transition. Due to the large splitting in the excited hyperfine ...

Laser cooling of cesium atoms in gray optical molasses …

WebJan 22, 2024 · Scheme of the energy levels of the D2 transition in 87 Rb. Red arrows represent the two frequencies employed for the grey molasses; cooler (repumper) is … WebJun 1, 1996 · We have studied the behavior of cesium atoms cooled in six-beam "gray" optical molasses. Cooling occurs for a laser detuned to the blue side of the 6 S 1 2 , F = … chlorine gas pubchem

Raman Gray Molasses Cooling of Cesium Atoms on the D2 Line

WebSemantic Scholar extracted view of "Gray Molasses Cooling of Lithium-6 Towards a Degenerate Fermi Gas" by M. Gerken et al. Skip to search form Skip to main ... We … WebFeb 1, 2024 · Sub-Doppler laser cooling of fermionic 40 K atoms in three-dimensional gray optical molasses; First uncertainty evaluation of the cesium fountain primary frequency … Web(optics) A viscous damping force exerted on neutral atoms by a pair of identical oppositely directed lasers tuned at a frequency below an atomic resonance. A large number of atoms collected and cooled in a small volume at the intersection of the beams of three orthogonal pairs of such lasers. gra the wolf

Bidirectional, Analog Current Source Benchmarked with Gray Molasses ...

Quantum Gases Lab – Faculty of Physics, University of Warsaw

WebNov 1, 1995 · We report the observation of three-dimensional cooling of cesium atoms using a four-beam optical molasses tuned to the blue side of the F g =3→ F e =2 … Webin gray molasses, it is necessary either to use the second time of ﬂight or to make an image with additional laser beams tuned on ... C. Trich e et al.: Blue-Sisyphus cooling in … chlorine gas reacts with naohWebDec 20, 2012 · Gray molasses Sub-Doppler cooling using gray molasses was proposed in ref. [ 14] and realized in the mid 1990s on the D 2 atomic transition of cesium and rubidium, allowing one to cool atomic samples close to 6 times the single-photon recoil energy [ … chlorine gas release

"WebOct 1, 2024 · As an element of validation of the quality of the designed current source, we propose and demonstrate a fast and robust method of compensating stray magnetic fields using sub-Doppler cooling in gray molasses, which has been shown to work the best when the magnetic field at the location of atoms is near 0 G [ 17, 18, 19, 20, 21 ]. " - Cesium gray molasses

Cesium gray molasses

Webcesium (Cs), also spelled caesium, chemical element of Group 1 (also called Group Ia) of the periodic table, the alkali metal group, and the first element to be discovered spectroscopically (1860), by German scientists Robert Bunsen and Gustav Kirchhoff, who named it for the unique blue lines of its spectrum (Latin caesius, “sky-blue”). This silvery … WebAdditionally, we ﬁnd that Cr gray molasses work equally well in free space as within an optical dipole trap as already reported for cesium [28] and lithium atoms [20]. This allows …

Did you know?

WebAbstract. We present a systematic study of the Λ -enhanced gray molasses cooling (Λ -GMC) of cesium atoms on the D 2 transition. The phase space density of atoms is 1.43 … WebMar 29, 2024 · Subsequent application of red-detuned light then assures the preparation of maximally one atom in the trap. Using Λ -enhanced gray-molasses for loading, we study and model the molecular processes and find we can trap single atoms with 90% probability even in a very shallow optical tweezer.

WebGray molasses is a powerful tool for sub-Doppler laser cooling of atoms to low temperatures. For alkaline atoms, this technique is commonly implemented with cooling … WebWe exploit the magnetic field dependence of gray molasses cooling to compensate stray magnetic fields in our UHV chamber. Our method is very intuitive and fast. We use it to achieve record breaking sub-Doppler temperature below 8 μK after gray molasses cooling of 39 K. Appl. Sci. 2024, 11 (21), 10474 Crossed optical dipole trap filled with cesium.

WebApr 16, 2014 · cesium A metallic chemical element with the atomic number 55. Among its many uses, cesium serves as the basis of today’s atomic clocks and is used in many photo-electric cells. electron A negatively charged particle; the carrier of electricity within solids. Atoms will have one or more of these orbiting around their nucleus. WebGray molasses is a method of sub-Doppler laser cooling of atoms. It employs principles from Sisyphus cooling in conjunction with a so-called "dark" state whose transition to the …

http://ultracold.fuw.edu.pl/

WebJul 16, 2024 · We present a systematic study on the Raman gray molasses cooling (RGMC) of cesium atoms on the $D_2$ transition. Due to the large splitting in the … chlorine gas release jordanWebJul 16, 2024 · Ya-Fen Hsiao, Yu-Ju Lin, Ying-Cheng Chen. We present a systematic study on the Raman gray molasses cooling (RGMC) of cesium atoms on the transition. Due … chlorine gas sds nzWebFeb 20, 2024 · Abstract We have performed a 2D blue detuned Sisyphus collimation of a cesium beam. Compared to a red detuned Doppler transverse molasses cooling, the … grath gray iomWebJul 16, 2024 · The capture efficiency of the gray molasses is larger than 2/3, and we observe no density-dependent heating for densities up to $10^{11}$ cm$^{-3}$. View … grathfsr11WebWe present an experimental study of the kinetic temperature of cesium atoms interacting with laser beams tuned on the blue side of the transition. In the case of a three … gra the walking dead po polskuWebPubMed grathhd01:8020WebJul 16, 2024 · We present a systematic study on the Raman gray molasses cooling (RGMC) of cesium atoms on the $D_2$ transition. Due to the large splitting in the excited hyperfine transitions of cesium $D_2$ line, it is relatively simple to implement the RGMC with suitable frequency control on the trapping and chlorine gas refrigerant