High phase-space density of laser-cooled

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August undefined, 2024

WebJul 13, 2024 · High Phase-Space Density of Laser-Cooled Molecules in an Optical Lattice Yewei Wu, Justin J. Burau, Kameron Mehling, Jun Ye, Shiqian Ding We report laser cooling … WebDec 20, 2024 · In my thesis, I studied laser cooling of metastable argon and krypton atoms using diode lasers. The experiment was very difficult because the metastable state easily relaxes to the ground state...

arXiv:2107.06422v1 [physics.atom-ph] 13 Jul 2024

WebHigh Phase-Space Density of Laser-Cooled Molecules in an Optical Lattice Yewei Wu, Justin J. Burau, Kameron Mehling, Jun Ye, and Shiqian Dingy JILA, National Institute of … WebJan 28, 2014 · Theoretically it is shown that for a given temperature and size of the cloud from the molasses, the phase-space density in the magnetic trap first increases with … solar powered dancing flowers

WO2024038710A1 - Method and fabrication of metal-sulfide …

Webthe laser cooled atom cloud, there is an optimum value of magnetic ﬁeld gradient of the quadrupole trap to ob-tain the maximum phase-space density of atom cloud in the magnetic trap after the capture of laser cooled atom cloud in the magnetic trap. The experimentally mea-sured number density and phase-space density of atoms Web1200 molecules, with a peak spatial density of ∼1.2× 1010 cm−3, and a peak phase-space density of ∼3.1× 10−6. By ramping down the lattice depth, we cool the molecules further … WebDec 21, 2024 · Laboratory laser setup for trapping and cooling yttrium monoxide molecules in an optical lattice down to the record low temperature of 1 μ K. Selected for an Editors’ … solar powered dangling hummingbird lights

Temperature and phase-space density of cold atom cloud in a …

Laser cooling at high density in deep far-detuned optical lattices

WebFeb 10, 2006 · Based on an experimental study of two-body and three-body collisions in ultracold strontium samples, a novel optical-sympathetic cooling method in isotopic mixtures is demonstrated. Without evaporative cooling, a phase-space density of $6\ifmmode\times\else\texttimes\fi{}{10}^{\ensuremath{-}2}$ is obtained with a high … WebThe phase space density within the merged tweezers reached 5x10^-4, 10 orders of magnitude larger than the initial MOT. We implemented internal quantum state control of the molecules and dynamical control of the tweezers to build a platform for exploring state-selective ultracold quantum chemistry. Terms of Use solar powered dancing penguinWebhigher in spatial density and 100 times higher in phase-space density than our previous result in free space [24]. The molecules are cooled further down to 1 K, the low-est temperature achieved for laser-cooled molecules so far, by ramping the lattice depth to a smaller value. The level structure of YO has been detailed in our slw of america

"WebDec 21, 2024 · This approach has produced a trapped sample of 1200 molecules, with a peak spatial density of ∼1.2×1010 cm−3, and a peak phase-space density of ∼3.1×10−6. By ramping down the lattice depth, we cool the molecules further to 1.0(2) μK, 20 times … " - High phase-space density of laser-cooled

High phase-space density of laser-cooled

arXiv:1401.7165v2 [physics.atom-ph] 10 Jun 2014

WebIn order to understand laser-matter interactions in the high energy density conditions that are present in ultra-intense laser systems, scientists gain experimental data by striking a … WebCo-located gases of K and Rb are simultaneously laser-cooled, optically trapped and evaporatively cooled to a high phase-space density. Next, pairs of atoms from this mixed …

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WebJul 13, 2024 · In this Letter, we report trapping of laser-cooled yt- trium monoxide (YO) molecules in a 1D optical lattice with a high phase-space density. Despite the complex …

Web JILA - Exploring the Frontiers of Physics WebHigh Phase-Space Density of Laser-Cooled Molecules in an Optical Lattice. Author: Yewei Wu. Justin Burau. Kameron Mehling. Jun Ye. Shiqian Ding. Year of Publication: 2024. Date …

WebHigh Phase-Space Density of Laser-Cooled Molecules in an Optical Lattice Yewei Wu, Justin J. Burau, Kameron Mehling, Jun Ye, and Shiqian Dingy WebNov 5, 2024 · tion gradient cooling [34]). All the laser beams are then switched off - the missing six orders of phase-space density are gained in complete darkness using evaporative cooling in a magnetic trap. Evaporative cooling is done by continuously removing the high-energy tail of the thermal distribution from the trap.

WebDec 21, 2024 · Recently, researchers have begun adapting the techniques used to cool the atoms to instead cool molecules. Now, Jun Ye of the University of Colorado Boulder and …

WebSep 13, 2014 · We present studies on modifications in the temperature, number density and phase-space density when a laser-cooled atom cloud from optical molasses is trapped in a quadrupole magnetic trap. Theoretically, for a given temperature and size of the cloud from the molasses, the phase-space density in the magnetic trap is shown first to increase … sl wolff photographyWebFeb 21, 2000 · Beam cooling provides a friction force and thereby damps the oscillation. In Fig. 2, phase-space diagrams are shown for the motion of a single ion undergoing electron cooling and laser cooling in barrier buckets.In the case of electron cooling [Fig. 2 (a)], the ion motion gets damped at a constant rate independent of the ion velocity because of the … solar powered dangling lightsWebHigh Phase-Space Density of Laser-Cooled Molecules in an Optical Lattice Laboratory laser setup for trapping and cooling yttrium monoxide molecules in an optical lattice down to … slw nyse stock quoteWebIn this Letter, we report trapping of laser-cooled yttrium monoxide (YO) molecules in a 1D optical lattice with a high phase-space density. Despite the complex molecular structure, gray molasses cooling works efficiently for YO insidethe lattice. About1200molecules are loaded into the lattice with a temperature of 6 μK and a lifetime of nearly ... slwofc.caWebMar 1, 1997 · In our experiments we start with sodium atoms effusing from an oven at a temperature of 600 K (a velocity of 800 m s -1) and a density of about 10 14 cm -3. Over a distance of 0.5 m the atoms are first slowed with a laser beam to a speed of around 30 m s -1. This is slow enough for around 10 10 atoms to be captured in a magneto-optical trap. solar powered decking lights ukWebJun 3, 2024 · By leveraging the unusual structure of YO, the team reaches ultralow temperatures and record-breaking high densities in a laser-cooled molecular gas. Cooling … solar powered decking lights b\u0026qWebNov 18, 2024 · These laser-cooled gas clouds are exploited for precision measurement, ... Salomon, G. et al. Gray-molasses cooling of 39 K to a high phase-space density. Europhys. Lett. 104, 63002 (2013). solar powered crystal wind chimes