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In the case of an external Hamiltonian at most quadratic in position and momentum operators, we use the ABCD formulation of atom optics to establish an exact analytical phase shift expression for atom interferometers with arbitrary spatial…

Atomic Physics · Physics 2009-11-07 Ch. Antoine , Ch. J. Borde

A laser-based angle resolved photoemission (APRES) system utilizing 6 eV photons from the fourth harmonic of a mode-locked Ti:sapphire oscillator is described. This light source greatly increases the momentum resolution and photoelectron…

Other Condensed Matter · Physics 2007-06-08 J. D. Koralek , J. F. Douglas , N. C. Plumb , J. D. Griffith , S. T. Cundiff , H. C. Kapteyn , M. M. Murnane , D. S. Dessau

The MMTO Adaptive optics exoPlanet characterization System (MAPS) is an ongoing upgrade to the 6.5-meter MMT Observatory on Mount Hopkins in Arizona. MAPS includes an upgraded adaptive secondary mirror (ASM), upgrades to the ARIES…

Instrumentation and Methods for Astrophysics · Physics 2022-12-15 Jacob Taylor , Suresh Sivanandam , Narsireddy Anugu , Adam Butko , Shaojie Chen , Olivier Durney , Tim Hardy , Masen Lamb , Manny Montoya , Katie Morzinski , Robin Swanson

Matter-wave interferometry plays a significant role in scientific research and technological applications. While position-momentum phase-space squeezing has been demonstrated to increase the coherence of atom sources by reducing momentum…

Atomic Physics · Physics 2025-10-16 Yiftach Halevy , Yali Cina , Omer Feldman , David Groswasser , Yonathan Japha , Ron Folman

COMPASS is a fixed target experiment at CERN. Part of its physics programme is dedicated to study the transverse spin and the transverse momentum structure of the nucleon using SIDIS. For these measurements, data have been collected using…

High Energy Physics - Experiment · Physics 2014-12-16 Nour Makke

The development of the Atacama Large Millimeter/submillimeter Array (ALMA) phasing system (APS) has allowed ALMA to function as an extraordinarily sensitive station for very long baseline interferometry (VLBI) at frequencies of up to 230…

Instrumentation and Methods for Astrophysics · Physics 2023-03-15 G. B. Crew , C. Goddi , L. D. Matthews , H. Rottmann , A. Saez , I. Marti-Vidal

The Alpha Magnetic Spectrometer (AMS) is a particle physics detector designed to operate on the International Space Station (ISS). The aim of AMS is the direct detection of charged particles in the rigidity range from 0.5 GV to few TV to…

Astrophysics · Physics 2007-05-23 Carmen Palomares

We report on the development of an advanced ultracold dysprosium apparatus, which incorporates a cold atom microscope (CAM) with a design resolution of a quarter micrometer. The CAM and the cooling and trapping regions are within the same…

Quantum Gases · Physics 2024-10-14 Gregor Anich , Niclas Höllrigl , Marian Kreyer , Rudolf Grimm , Emil Kirilov

We explore the possibility of applying physical phase plates (PPs) in combination with aberration-corrected transmission electron microscopy. Phase-contrast transfer characteristics are calculated and compared for a thin-film based Zernike…

Instrumentation and Detectors · Physics 2022-05-10 Simon Hettler , Raul Arenal

We present results on a free-space atom interferometer operating on the first order magnetically insensitive |F=1,mF=0> -> |F=2,mF=0> transition of Bose-condensed 87Rb atoms. A pulsed atom laser is output-coupled from a Bose-Einstein…

Atomic Physics · Physics 2015-05-13 D. Döring , J. E. Debs , N. P. Robins , C. Figl , P. A. Altin , J. D. Close

COMPASS, a new fixed target experiment at CERN, aimed at the study of nucleon spin structure and hadron spectroscopy, has started to collect physics data in Autumn 2001. This paper describes the COMPASS apparatus and the measurement of the…

High Energy Physics - Phenomenology · Physics 2017-08-23 F. Tessarotto

COMPASS is a fixed-target experiment in operation at the CERN North Area (SPS, M2 beam-line) since 2002. An important part of the broad physics programme of the experiment is dedicated to the exploration of the transverse spin-structure of…

High Energy Physics - Experiment · Physics 2019-08-15 Riccardo Longo

AMBER (NA66) is a fixed-target facility at the M2 beam line of CERN SPS, which performs worldwide unique research on the internal structure and the excitation spectrum of hadrons. The approved first phase of the experiment focuses on three…

High Energy Physics - Experiment · Physics 2026-01-13 Bernhard Ketzer , Michela Chiosso

In ground-based astronomy, the ability to couple light into single-mode fibers (SMFs) is limited by atmospheric turbulence, which prohibits the use of many astrophotonic instruments. We propose a silicon-on-insulator photonic chip capable…

CONTEXT: The four-quadrant phase mask stellar coronagraph, introduced by D. Rouan et al., is capable of achieving very high dynamical range imaging and was studied in the context of the direct detection of extra-solar planets. Achromatic…

ANTARES beamline (BL), a new soft X-ray scanning photoemission microscope located at the SOLEIL synchrotron storage ring has been recently designed, built and commissioned. The implemented interferometer control allows the accurate…

Instrumentation and Detectors · Physics 2015-06-12 José Avila , Ivy Razado-Colambo , Stephane Lorcy , Jean-Luc Giorgetta , François Polack , María C. Asensio

Cascaded phase shifters (CPSs) based on silicon photonics integrated chips play important roles in quantum information processing tasks. Owing to an increase in the scale of silicon photonics chips, the time required to calibrate various…

Quantum Physics · Physics 2025-04-29 Yanxiang Jia , Xuyang Wang , Yizhuo Hou , Yu Zhang , Yuqi Shi , Qiang Zhang , Jun Zou , Yongmin Li

We present the design of the prototype telescope and spectrograph system for the Affordable Multiple Aperture Spectroscopy Explorer (AMASE) project. AMASE is a planned project that will pair 100 identical multi-fiber spectrographs with a…

Active interferometers use amplifying elements for beam splitting and recombination. We experimentally implement such a device by using spin exchange in a Bose-Einstein condensate. The two interferometry modes are initially empty spin…

Quantum Gases · Physics 2017-11-15 D. Linnemann , J. Schulz , W. Muessel , P. Kunkel , M. Prüfer , A. Frölian , H. Strobel , M. K. Oberthaler