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We experimentally demonstrate a novel interferometric architecture for next-generation gravity missions, featuring a laser ranging interferometer (LRI) that enables monoaxial transmission and reception of laser beams between two optical…

Integrated optic beam combiners offer many advantages over conventional bulk optic implementations for astronomical imaging. To date, integrated optic beam combiners have only been demonstrated at operating wavelengths below 4 microns.…

Instrumentation and Methods for Astrophysics · Physics 2015-05-20 Hsien-kai Hsiao , Kim A. Winick , John D. Monnier

The goal of the international Muon Ionization Cooling Experiment (MICE) is to demonstrate muon beam ionization cooling for the first time. It constitutes a key part of the R&D towards a future neutrino factory or muon collider. The intended…

Accelerator Physics · Physics 2018-06-06 Tanaz Angelina Mohayai , Pavel Snopok , David Neuffer

At present, the principal limitation on the resolution and contrast of astronomical imaging instruments comes from aberrations in the optical path, which may be imposed by the Earth's turbulent atmosphere or by variations in the alignment…

Instrumentation and Methods for Astrophysics · Physics 2015-10-23 Benjamin Pope , Peter Tuthill , Sasha Hinkley , Michael J. Ireland , Alexandra Greenbaum , Alexey Latyshev , John D. Monnier , Frantz Martinache

We have developed a polarized hard X-ray photoemission (HAXPES) system to study the ground-state symmetry of strongly correlated materials. The linear polarization of the incoming X-ray beam is switched by the transmission-type phase…

Aims: Optical interferometry from space for the purpose of detecting and characterising exoplanets is seeing a revival, specifically from missions such as the proposed Large Interferometer For Exoplanets (LIFE). A default assumption since…

Instrumentation and Methods for Astrophysics · Physics 2022-08-10 Jonah T. Hansen , Michael J. Ireland , the LIFE Collaboration

Space borne nulling interferometry in the mid-infrared waveband is one of the most promising techniques for characterizing the atmospheres of extra-solar planets orbiting in the habitable zone of their parent star, and possibly discovering…

Instrumentation and Methods for Astrophysics · Physics 2022-08-30 Francois Henault

Observing few-photon optomechanical effects remains a significant challenge in optomechanical systems. To investigate intrinsic radiation-pressure-induced nonlinear effects in the few-photon regime, it is essential to strengthen the…

Quantum Physics · Physics 2026-03-10 Cheng Shang , H. Z. Shen

Background. Astrometry at or below the micro-arcsec level with an imaging telescope assumes that the uncertainty on the location of an unresolved source can be an arbitrarily small fraction of the detector pixel, given a sufficient photon…

Instrumentation and Methods for Astrophysics · Physics 2022-12-06 Mario Gai , Alberto Vecchiato , Alberto Riva , Deborah Busonero , Mario Lattanzi , Beatrice Bucciarelli , Mariateresa Crosta , Zhaoxiang Qi

Interferometric methods have been recently investigated to achieve sub-Rayleigh imaging and precision measurements of faint incoherent sources up to the ultimate quantum limit. Here we consider single-photon imaging of two point-like…

Quantum Physics · Physics 2024-02-28 Luigi Santamaria Amato , Fabrizio Sgobba , Cosmo Lupo

We present a scheme for achieving macroscopic quantum superpositions in optomechanical systems by using single photon postselection and detecting them with nested interferometers. This method relieves many of the challenges associated with…

Quantum Physics · Physics 2012-10-08 Brian Pepper , Roohollah Ghobadi , Evan Jeffrey , Christoph Simon , Dirk Bouwmeester

For precise measurements with polarized neutrons high efficient spin-manipulation is required. We developed several neutron optical elements suitable for a new sophisticated setup, i.e., DC spin-turners and Larmor-accelerators which…

Quantum Physics · Physics 2014-08-19 Hermann Geppert , Tobias Denkmayr , Stephan Sponar , Hartmut Lemmel , Yuji Hasegawa

Polarimetry with permille-level precision is essential for future electron-positron linear colliders. Compton polarimeters can reach negligible statistical uncertainties within seconds of measurement time. The dominating systematic…

Instrumentation and Detectors · Physics 2016-02-17 Benedikt Vormwald , Jenny List , Annika Vauth

An important goal for any advanced X-ray FEL is an option for providing Fourier-limited X-ray pulses. In this way, no monochromator is needed in the experimental hall. Self-seeding is a promising approach to significantly narrow the SASE…

Accelerator Physics · Physics 2011-09-26 Gianluca Geloni , Vitali Kocharyan , Evgeni Saldin

The Panoramic SETI (Search for Extraterrestrial Intelligence) experiment (PANOSETI) aims to detect and quantify optical transients from nanosecond to second precision over a large field-of-view ($\sim$4,450 square-degrees). To meet these…

Instrumentation and Methods for Astrophysics · Physics 2021-11-23 J. Maire , S. A. Wright , D. Werthimer , F. P. Antonio , A. Brown , P. Horowitz , R. Lee , W. Liu , R. Raffanti , J. Wiley , M. Cosens , C. M. Heffner , A. W. Howard , R. P. S. Stone , R. R. Treffers

We propose a practical scheme to use photons from causally disconnected cosmic sources to set the detectors in an experimental test of Bell's inequality. In current experiments, with settings determined by quantum random number generators,…

Quantum Physics · Physics 2014-03-26 Jason Gallicchio , Andrew S. Friedman , David I. Kaiser

High precision differential astrometry assesses the positions, distances, and motions of celestial objects in relation to the stars. The focal plane of such space telescope must be calibrated with a precision down to the level of 1e-5 pixel…

Instrumentation and Methods for Astrophysics · Physics 2024-10-30 Fabrice Pancher , Sebastien Soler , Fabien Malbet , Manon Lizzana , Pierre Kern , Thierry Lepine , Alain Leger

Current space missions primarily depend on Earth-based Guidance, Navigation, and Control (GNC) systems involving human-in-the-loop operations. X-ray pulsar-based navigation offers a promising alternative by using the very precise periodic…

Instrumentation and Methods for Astrophysics · Physics 2026-04-22 Sui Chen , Emilie Parent , Nanda Rea , Francesco Topputo

A measurement of the cosmological 21 cm signal remains a promising but as-of-yet unattained ambition of radio astronomy. A positive detection would provide direct observations of key unexplored epochs of our cosmic history, including the…

Cosmology and Nongalactic Astrophysics · Physics 2015-08-18 Morgan Presley , Adrian Liu , Aaron Parsons

The Planet Hunting and Asteroseismology Explorer Spectrophotometer, PHASES, is a concept for a space-borne instrument to obtain flux calibrated spectra and measure micro-magnitude photometric variations of nearby stars. The science drivers…

Instrumentation and Methods for Astrophysics · Physics 2010-01-13 Carlos del Burgo , Carlos Allende Prieto , Tully Peacocke