High phase-space density of laser-cooled

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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 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

Ultracold Molecules in Optical Arrays: From Laser Cooling to …

Webpresented in this chapter, high-pulse-energy solid-state laser systems have very low. pulse repetition frequencies (<0.1 Hz) or can only be operated in a single-shot. mode. For … WebJan 28, 2014 · Download PDF Abstract: We present studies on the modifications in temperature, number density and phase-space density when a laser cooled atom cloud from the optical molasses is trapped in a quadrupole magnetic trap. Theoretically it is shown that for a given temperature and size of the cloud from the molasses, the phase-space … raymarine rl80c specs

Cooling of Sr to high phase-space density by laser and …

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 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 … 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 … raymarine rs150 manual

Laser cooling of fast stored ions in barrier buckets

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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 … 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 … raymarine routerWebApr 13, 2024 · The high-pressure carbon phases beyond diamond are elusive, though, making their discovery a challenge. For example, the first “superdense” post-diamond carbon phase, called BC8, exists only in theory. Research dating back to the 1980s suggests that under extreme pressure, diamond can transform to BC8, which has even higher … raymarine rs125

"WebMar 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. " - High phase-space density of laser-cooled

High phase-space density of laser-cooled

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Webhigher 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 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 molecular structure, gray...

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WebNov 18, 2024 · When the atom is close to the potential maximum it has a high likelihood of being optically pumped by the laser-cooling light into a hyperfine level that has a potential … 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.

WebApr 11, 2024 · A systematic study on the densification behavior and build quality of 2205 duplex stainless steel fabricated using laser powder bed fusion (LPBF) was performed by experiment and simulation, aiming to offer some supplementary work for research on additive manufacturing (AM) of duplex stainless steel. In this study, samples with …

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 … WebDec 21, 2024 · An official website of the United States government. Here’s how you know

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 …

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 … ray mariner radioWebApr 14, 2024 · Heritage Building Information Modeling (HBIM) is an essential technology for heritage documentation, conservation, and management. It enables people to understand, archive, advertise, and virtually reconstruct their built heritage. Creating highly accurate HBIM models requires the use of several reality capture tools, such as terrestrial laser … raymarine rotary drive autopilotWebHigh 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 … raymarine rs150 gps sensor manualWebMethods of preparing metal-sulfide particles, such as for use in lithium-ion capacitors may include preparing a precursor solution. The precursor solution may include a copper-containing precursor and a metal-containing precursor. The methods may include mixing the precursor solution with water to form an aqueous precursor solution. The methods may … raymarine rs232 to bluetoothWebDec 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,... raymarine rs150 gps receiverWebJan 13, 2014 · Abstract. We present new techniques in cooling 39 K atoms using laser light close to the D1 transition. 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 of atoms. simplicity 1685150smWebJun 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 … simplicity 1684