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Gray molasses cooling

Webcooling stage. This report is organised as follows: in Sec. 2 our experimental setup is presented and we give an explanation of the cooling steps that will be implemented. In Sec. 3 the cooling process involved in gray molasses is presented. Finally, in Sec. 4 the laser system used for gray molasses cooling is explained in detail. 2 ...

(PDF) Laser cooling of cesium atoms in gray optical molasses …

WebWe find that our gray molasses cooling scheme brings all atoms from a pre-cooled temperature of 60 µK to 8 µK in 3.5 ms, thus insuring that light-assisted losses are … WebOct 1, 2024 · For the demonstration of our stray field compensation method, we use D1-line gray molasses cooling of K, but the technique can be applied to any species where cooling relies on coherences between hyperfine levels of the ground state. The key advantage of our approach is its speed. creed coach https://forevercoffeepods.com

Optimization of gray-molasses cooling. (a) Temperature T (blue …

WebThe requisite cooling can alternatively be provided by -enhanced gray molasses (GM) on the D 1 transition [15], which has limiting temperatures far below those of the 39 K D 2 bright molasses. The ... WebJun 18, 2014 · We use a gray molasses operating on the D$_1$ atomic transition to produce degenerate quantum gases of $^ {6}$Li with a large number of atoms. This sub-Doppler cooling phase allows us to lower the initial temperature of 10$^9$ atoms from 500 to 40 $\mu$K in 2 ms. WebA tag already exists with the provided branch name. Many Git commands accept both tag and branch names, so creating this branch may cause unexpected behavior. creed coffee table

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Category:Sub-Doppler laser cooling of 40K with Raman gray molasses …

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Gray molasses cooling

Simultaneous sub-Doppler laser cooling of $^{6}\\mathrm{Li}

WebGray molasses cooling of 39K atoms in optical tweezers Jackson Ang’ong’a , Chenxi Huang, Jacob P. Covey, * and Bryce Gadway † Department of Physics, University of Illinois at Urbana ... WebCorpus ID: 160003524; Gray Molasses Cooling of Lithium-6 Towards a Degenerate Fermi Gas @inproceedings{Gerken2016GrayMC, title={Gray Molasses Cooling of Lithium-6 …

Gray molasses cooling

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WebOct 15, 2013 · First, a new compressed-MOT configuration is taking advantage of gray molasses type cooling induced by blue-detuned D1 light. It yields an optimized density … WebJan 22, 2024 · For grey molasses cooling enhanced by Λ-configuration, the phase-coherence between cooler and repumper is necessary to …

WebMar 29, 2024 · Gray molasses cooling using the D 1 F = 2 → F ′ = 2 transition (blue) enables robust in-trap cooling while simultaneously performing fluorescence imaging on … WebDec 14, 2016 · Gray 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 lasers which are blue-detuned from either the D 1or D 2line. Here we show that efficient gray molasses can be implemented on the D 2line of 40K with red-detuned lasers.

WebApr 12, 2024 · Abstract. Gray molasses is a powerful tool for sub-Doppler laser cooling of atoms to low temperatures. For alkaline atoms, this technique is commonly implemented … 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 lasers which are...

WebJun 3, 2024 · This unique energy level structure favors dual-frequency dc magneto-optical trapping (MOT) and gray molasses cooling (GMC). We report exceptionally robust cooling of YO at 4 μK over a wide range of laser intensity, detunings (one- …

WebBy taking advantage of the deep cooling and high efficiency of gray molasses to improve the initial trap loading conditions, we produce condensates composed of as much as 7 million atoms in less than 30s. Reference: Production of large Bose-Einstein condensates in a magnetic-shield-compatible hybrid trap creed coffee larneWebgray-molasses Sisyphus cooling on the F =2→ F =2 transition, and red-detuned D2 repumping light, which gives the trapping force. It is characterized by a higher density and a much lower temperature as compared to standard compressed-MOT using only D2 light [13,14]. We then show deep sub-Doppler cooling in pure D1 gray optical molasses. By ... buck nighthawk seriesWebNov 18, 2024 · This aspect of grey-molasses cooling is similar to velocity-selective coherent population trapping, which can even reach momentum spreads below the level … creed coffee carrickfergus