Buffer gas
View article: A cold beam of BaOH molecules using a water-vapour seeded neon gas
A cold beam of BaOH molecules using a water-vapour seeded neon gas Open
In this paper we report on the production and characterization of a cold beam of BaOH molecules using a cryogenic buffer-gas beam source. BaOH is a highly suitable molecule for studies of the violation of fundamental symmetries, such as th…
View article: A cold beam of BaOH molecules using a water-vapour seeded neon gas
A cold beam of BaOH molecules using a water-vapour seeded neon gas Open
In this paper we report on the production and characterization of a cold beam of BaOH molecules using a cryogenic buffer-gas beam source. BaOH is a highly suitable molecule for studies of the violation of fundamental symmetries, such as th…
View article: A Radio FrequencyIon Guide for Transporting CooledIons Through Differential Vacuum Stages: Design and Simulation
A Radio FrequencyIon Guide for Transporting CooledIons Through Differential Vacuum Stages: Design and Simulation Open
In order to transport ions from an intermediate-pressure collisional cooling device to a planar electrostatic ion trap (PEIT) mass analyzer in an ultrahigh-vacuum chamber, a segmented radio frequency (RF) quadrupole system was designed and…
View article: Energetic backflow ions caused by microwave neutralizer in gridded ion thruster
Energetic backflow ions caused by microwave neutralizer in gridded ion thruster Open
The Hayabusa2 spacecraft is equipped with four 10-cm-class microwave discharge ion thrusters (μ10). Onboard quartz crystal microbalance measurements have indicated surface erosion due to ion thruster operation. In this paper, the ion energ…
View article: Decomposition of Methane Diluted with Inert Gas in an RF Discharge Cell
Decomposition of Methane Diluted with Inert Gas in an RF Discharge Cell Open
Decomposition of methane using non-thermal plasmas is an attractive route for producing hydrogen-rich gases and valuable carbon nanomaterials. Understanding how plasma discharge modes influence methane decomposition in optimizing plasma-as…
View article: Decomposition of Methane Diluted with Inert Gas in an RF Discharge Cell
Decomposition of Methane Diluted with Inert Gas in an RF Discharge Cell Open
Decomposition of methane using non-thermal plasmas is an attractive route for producing hydrogen-rich gases and valuable carbon nanomaterials. Understanding how plasma discharge modes influence methane decomposition in optimizing plasma-as…
View article: Controlling the Charge of Single Nanoparticles in an Ion Trap
Controlling the Charge of Single Nanoparticles in an Ion Trap Open
Control over the charge of a nanoparticle (NP) in a radiofrequency ion trap is crucial for mass spectrometric and charge dependent investigations of single NPs. We show how this is achieved for positively charged silica NPs (nominal diamet…
View article: Resonantly Pumped Tunable Tm,X:CaF2 Lasers: Effect of Buffer Ions (X = Y, La, Gd, and Lu)
Resonantly Pumped Tunable Tm,X:CaF2 Lasers: Effect of Buffer Ions (X = Y, La, Gd, and Lu) Open
We report on the eye-safe laser performance of Tm3+-doped calcium fluoride crystals, modified with optically inactive "buffer" cations (Y3+, Lu3+, Gd3+, and La3+), under in-band diode-pumping at 1.68 um. In the free-running regime, the 1.5…
View article: Resonantly Pumped Tunable Tm,X:CaF2 Lasers: Effect of Buffer Ions (X = Y, La, Gd, and Lu)
Resonantly Pumped Tunable Tm,X:CaF2 Lasers: Effect of Buffer Ions (X = Y, La, Gd, and Lu) Open
We report on the eye-safe laser performance of Tm3+-doped calcium fluoride crystals, modified with optically inactive "buffer" cations (Y3+, Lu3+, Gd3+, and La3+), under in-band diode-pumping at 1.68 um. In the free-running regime, the 1.5…
View article: A large magneto-optical trap of cadmium atoms loaded from a cryogenic buffer gas beam
A large magneto-optical trap of cadmium atoms loaded from a cryogenic buffer gas beam Open
The dataset supports the publication "A large magneto-optical trap of cadmium atoms loaded from a cryogenic buffer gas beam", published in Wiley Natural Sciences (https://doi.org/10.1002/ntls.70023) Data are given in two-column format. The…
View article: A large magneto-optical trap of cadmium atoms loaded from a cryogenic buffer gas beam
A large magneto-optical trap of cadmium atoms loaded from a cryogenic buffer gas beam Open
The dataset supports the publication "A large magneto-optical trap of cadmium atoms loaded from a cryogenic buffer gas beam", published in Wiley Natural Sciences (https://doi.org/10.1002/ntls.70023) Data are given in two-column format. The…
View article: Front Cover: A Large Magneto‐Optical Trap of Cadmium Atoms Loaded From a Cryogenic Buffer Gas Beam
Front Cover: A Large Magneto‐Optical Trap of Cadmium Atoms Loaded From a Cryogenic Buffer Gas Beam Open
View article: Structures of AlkaliMetal Ion–Crown Ether1:2 Heterocomplexes Investigated Using Cold Gas-Phase Spectroscopy
Structures of AlkaliMetal Ion–Crown Ether1:2 Heterocomplexes Investigated Using Cold Gas-Phase Spectroscopy Open
The structures of alkali metal ion–crown ether (CE) 1:2 heterocomplexes of benzo-18-crown-6 (B18C6), dibenzo-18-crown-6 (DB18C6), and 18-crown-6 (18C6) were studied under cold (∼10 K) conditions in the gas phase. The structures and intermo…
View article: SLIM Ion Mobility-BasedAnalysis of Low MolecularWeight Explosives
SLIM Ion Mobility-BasedAnalysis of Low MolecularWeight Explosives Open
The detection and differentiation of explosive compounds remain critical components of security applications and forensic work due to the potential complexity of samples and presence of isomeric compounds. Standalone ion mobility spectrome…
View article: Quantum dynamics and cooling kinetics of BN− anions via buffer gases in ion traps
Quantum dynamics and cooling kinetics of BN− anions via buffer gases in ion traps Open
Following the previous study with an extensive range of quantum calculations involving different electronic states of the BN− anion [Dulitz et al., Phys. Scripta 100, 055411 (2025)], we now extend that work by modeling the quantum dynamics…
View article: Atmospheric-pressure ion transfer in a gas flow device connected to the UniCell buffer gas cell for superheavy elements chemistry: simulation studies
Atmospheric-pressure ion transfer in a gas flow device connected to the UniCell buffer gas cell for superheavy elements chemistry: simulation studies Open
Man-made superheavy elements (SHE) are produced as energetic recoils in complete-fusion reactions and need to be thermalized in a gas-filled chamber for chemical studies. The ever-shorter half-lives and decreasing production rates of the e…
View article: The role of buffer gas in shaping the D1 line spectrum of potassium vapour
The role of buffer gas in shaping the D1 line spectrum of potassium vapour Open
In this study, we investigate the effect of buffer gas and magnetic field on the spectral line shapes of the potassium D1 transition using sealed vapour cells filled with varying amounts of neon as a buffer gas. Employing a dual-temperatur…
View article: Buffer gas cooling of a continuous CO molecular beam
Buffer gas cooling of a continuous CO molecular beam Open
We characterize a continuous buffer gas cooled source using CO molecules. We show results about the source performance considering different parameters, like gas flow rate, nozzle size, and internal cell volume. The beam contains 2.5 × 10 …
View article: A cryogenic buffer gas beam source of BaF molecules
A cryogenic buffer gas beam source of BaF molecules Open
The search for the electric dipole moment of the electron (eEDM) is a direct test of fundamental theories beyond the Standard Model. The NL-eEDM collaboration aims to perform a competitive measurement of the eEDM with a Stark decelerated a…
View article: Room temperature buffer gas beam of metastable state titanium atoms
Room temperature buffer gas beam of metastable state titanium atoms Open
We produce beams of neutral titanium (Ti) atoms in their metastable 3d3(F4)4sa5F5 state by laser ablation into He, N2, and Ar buffer gases. The high temperatures associated with the ablation process populate the a5F5 level without the need…
View article: Buffer gas enhancing of power conversion efficiency of a continuous-wave acetylene-filled fiber gas laser at the 3 μm wavelength
Buffer gas enhancing of power conversion efficiency of a continuous-wave acetylene-filled fiber gas laser at the 3 μm wavelength Open
In this paper, we report the use of ammonia as the buffer gas in the acetylene-filled hollow-core fiber gas laser (A-HCFGL) in which the power conversion efficiency of continuous-wave (CW) operation reaches a record of 35.74%, the highest …
View article: Buffer gas enhancing of power conversion efficiency of continuous-wave acetylene-filled fiber gas laser at 3 μm wavelength
Buffer gas enhancing of power conversion efficiency of continuous-wave acetylene-filled fiber gas laser at 3 μm wavelength Open
In this paper, we report the use of ammonia as the buffer gas in the acetylene-filled hollow-core fiber gas laser (A-HCFGL) in which the power conversion efficiency of continuous-wave (CW) operation reaches a record of 35.74 %, the highest…
View article: Buffer gas enhancing of power conversion efficiency of continuous-wave acetylene-filled fiber gas laser at 3 μm wavelength
Buffer gas enhancing of power conversion efficiency of continuous-wave acetylene-filled fiber gas laser at 3 μm wavelength Open
In this paper, we report the use of ammonia as the buffer gas in the acetylene-filled hollow-core fiber gas laser (A-HCFGL) in which the power conversion efficiency of continuous-wave (CW) operation reaches a record of 35.74 %, the highest…
View article: Chemistry in a cryogenic buffer gas cell
Chemistry in a cryogenic buffer gas cell Open
Cryogenic buffer gas sources are ubiquitous for producing cold, collimated molecular beams for quantum science, chemistry, and precision measurements. The molecules are typically produced by laser ablating a metal target in the presence of…
View article: Fast magnetic field imaging using an optically pumped magnetometer readout by a high-speed camera
Fast magnetic field imaging using an optically pumped magnetometer readout by a high-speed camera Open
We present a magnetometric imaging device that harnesses the sensitivity of free spin precession (FSP) optically pumped magnetometers alongside a high-speed camera. This approach enables the rapid imaging of magnetic field distributions at…
View article: Atmospheric-pressure ion transfer in a gas flow device connected to the UniCell buffer gas cell for superheavy elements chemistry: simulation studies
Atmospheric-pressure ion transfer in a gas flow device connected to the UniCell buffer gas cell for superheavy elements chemistry: simulation studies Open
View article: Laser-optical cycling of cryogenically cooled BN− molecular anions
Laser-optical cycling of cryogenically cooled BN− molecular anions Open
[EN]We investigate an optical cycling scheme for Doppler cooling cold trapped 11 B 14 N − ions using transitions between the X 2Σ+ ground state and the B 2Σ+ excited state, and analyze here the relevant transitions for photon cycling and r…
View article: Laser Cooling, Trapping, and Coherent Control of Strontium Monofluoride Molecules
Laser Cooling, Trapping, and Coherent Control of Strontium Monofluoride Molecules Open
Ultracold polar molecules have emerged as promising platforms for quantum simulation, quantum information science, precision measurements of fundamental symmetry violations, and quantum chemistry. Over the past decade, rapid progress in di…
View article: A Zeeman slower for molecules
A Zeeman slower for molecules Open
Cold molecules are an invaluable tool for modern physics. Cold atoms have already revolutionized precision metrology, allowed for spectacular findings in quantum physics and opened the door for the creation and observation of novel states …
View article: Energetic backflow ions caused by microwave neutralizer in gridded ion thruster
Energetic backflow ions caused by microwave neutralizer in gridded ion thruster Open
The Hayabusa2 spacecraft is equipped with four 10-cm-class microwave discharge ion thrusters (μ10). Onboard quartz crystal microbalance measurements have indicated surface erosion due to ion thruster operation. In this paper, the ion energ…