English
Related papers

Related papers: A high resolution time-of-flight mass spectrometer…

200 papers

Trapping molecular ions that have been sympathetically cooled with laser-cooled atomic ions is a useful platform for exploring cold ion chemistry. We designed and characterized a new experimental apparatus for probing chemical reaction…

Instrumentation and Detectors · Physics 2019-01-15 Philipp C. Schmid , James Greenberg , Mikhail I. Miller , Kevin Loeffler , Heather J. Lewandowski

We experimentally demonstrate optical spectroscopy of magnetically trapped atoms on an atom chip. High resolution optical spectra of individual trapped clouds are recorded within a few hundred milliseconds. Detection sensitivities close to…

Quantum Physics · Physics 2008-09-16 A. Günther , H. Bender , A. Stibor , J. Fortágh , C. Zimmermann

We demonstrate the implementation of a simple time-of-flight (ToF) mass spectrometer with medium-mass resolution ($m/\Delta m\sim50$) geared towards the demands of atomic, molecular, and chemical physics experiments. By utilizing a novel…

Recently, we reported an ion trap experiment with an integrated time-of-flight mass spectrometer (TOFMS) [Phys. Rev. Appl. 2, 034013 (2014)] focussing on the improvement of mass resolution and detection limit due to sample preparation at…

Atomic Physics · Physics 2016-01-20 Christian Schneider , Steven J. Schowalter , Peter Yu , Eric R. Hudson

We have developed a novel detector, referred to as an "$\alpha$-ToF detector", for correlated measurements of atomic masses and decay properties of low-yield, short-lived radioactive isotopes using a multi-reflection time-of-flight mass…

Instrumentation and Detectors · Physics 2020-01-08 T. Niwase , M. Wada , P. Schury , H. Haba , S. Ishizawa , Y. Ito , D. Kaji , S. Kimura , H. Miyatake , K. Morimoto , K. Morita , M. Rosenbusch , H. Wollnik , T. Shanley , Y. Benari

Utilizing single-photon photoassociation, we have achieved ultracold rubidium molecules with a high number density that provides a new efficient approach toward molecular quantum degeneracy. A new detection mechanism for ultracold molecule…

Atomic Physics · Physics 2015-06-12 Jun-Ren Chen , Cheng-Yang Kao , Hung-Bin Chen , Yi-Wei Liu

Mass spectrometry is a widespread approach to work out what are the constituents of a material. Atoms and molecules are removed from the material and collected, and subsequently, a critical step is to infer their correct identities based…

A Multi-Reflection Time-of-Flight Mass Spectrometer (MR-ToF-MS) has been commissioned at the Ion-Guide Isotope Separator On-Line (IGISOL) facility. It consists of six electrode pairs that form a nearly energy-isochronous potential and a…

In nearly all experiments with ultracold atoms time-of-flight pictures are the only data available. In this paper we present an analytical strong-coupling calculation for those time-of-flight pictures of bosons in an optical lattice in the…

Statistical Mechanics · Physics 2015-05-13 Alexander Hoffmann , Axel Pelster

We propose to utilize density distributions from a series of time-of-flight images of an expanding cloud to reconstruct single-particle correlation functions of trapped ultra-cold atoms. In particular, we show how this technique can be used…

Quantum Gases · Physics 2011-12-05 Wei Zhang , L. -M. Duan

We present an all-optical mass spectrometry technique to identify trapped ions. The new method uses laser-cooled ions to determine the mass of a cotrapped dark ion with a sub-dalton resolution within a few seconds. We apply the method to…

Atomic Physics · Physics 2021-01-13 M. Fan , C. A. Holliman , X. Shi , H. Zhang , M. W. Straus , X. Li , S. W. Buechele , A. M. Jayich

We demonstrate a Wiley-McClaren Time of Flight Mass Spectrometer modified to allow direct extraction of ions from a laser-induced plasma. Unlike many other methods that utilize mass spectrometry to investigate laser-induced plasmas, no…

Plasma Physics · Physics 2020-10-21 James O. F. Thompson , S. Tahereh Alavi , Justin R. Walensky , Arthur G. Suits

Methods to visualize the two-dimensional distribution of molecules by mass spectrometric imaging evolve rapidly and yield novel applications in biology, medicine, and material surface sciences. Most mass spectrometric imagers acquire high…

Instrumentation and Detectors · Physics 2011-03-11 Casimir Bamberger , Uwe Renz , Andreas Bamberger

Mass spectrometry is used in a wide range of scientific disciplines including proteomics, pharmaceutics, forensics, and fundamental physics and chemistry. Given this ubiquity, there is a worldwide effort to improve the efficiency and…

A radiofrequency quadrupole ion trap system for use with a multi-reflection time-of-flight mass spectrograph (MRTOF) for short-lived nuclei has been developed. The trap system consists of two different parts, an asymmetric taper trap and a…

Instrumentation and Detectors · Physics 2015-06-17 Y. Ito , P. Schury , M. Wada , S. Naimi , C. Smorra , T. Sonoda , H. Mita , A. Takamine , K. Okada , A. Ozawa , H. Wollnik

Optical spectroscopy of molecular radicals is an important tool in physical chemistry, and is a prerequisite for many experiments which use molecules for quantum science and precision measurement. However, even the simplest molecules have…

Chemical Physics · Physics 2025-05-07 Ashay N. Patel , Madison I. Howard , Timothy C. Steimle , Nicholas R. Hutzler

The problem for molecular identification knows many solutions which include mass spectrometers whose mass sensitivity depends on the performance of the detector involved. The purpose of this article is to show by means of molecular dynamics…

Instrumentation and Detectors · Physics 2021-06-02 Adrien Poindron , Jofre Pedregosa-Gutierrez , Christophe Jouvet , Martina Knoop , Caroline Champenois

Optically trapped laser-cooled polar molecules hold promise for new science and technology in quantum information and quantum simulation. Large numerical aperture optical access and long trap lifetimes are needed for many studies, but these…

We propose a detection method for ultracold atoms which allows reconstruction of the full one-particle and two-particle correlation functions from the measurements. The method is based on Fourier sampling of the time-of-flight images…

Other Condensed Matter · Physics 2009-11-11 L. -M. Duan

In cold atomic systems, fast and high-resolution microscopy of individual atoms is crucial, since it can provide direct information on the dynamics and correlations of the system. Here, we demonstrate nanosecond-scale two-dimensional…

‹ Prev 1 2 3 10 Next ›