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CANARY is the multi-object adaptive optics (MOAO) on-sky pathfinder developed in the perspective of Multi-Object Spectrograph on Extremely Large Telescopes~(ELTs). In 2013, CANARY was operated on-sky at the William Herschel telescope~(WHT),…

Instrumentation and Methods for Astrophysics · Physics 2017-02-01 O. A. Martin , É. Gendron. , G. Rousset , D. Gratadour , F. Vidal , T. J. Morris , A. G. Basden , R. M. Myers , C. M. Correia , D. Henry

The MIEZE (Modulation of Intensity with Zero Effort) technique is a variant of neutron resonance spin echo (NRSE), which has proven to be a unique neutron scattering technique for measuring with high energy resolution in magnetic fields.…

Instrumentation and Detectors · Physics 2013-04-22 T. Weber , G. Brandl , R. Georgii , W. Häußler , S. Weichselbaumer , P. Böni

METIS, the Mid-Infrared ELT Imager and Spectrograph, is one of the four first-generation ELT instruments scheduled to see first light in 2028. Its two main science modules are supported by an adaptive optics system featuring a pyramid…

Instrumentation and Methods for Astrophysics · Physics 2023-11-23 Markus Feldt , Horst Steuer , Carlos Correia , Andreas Obereder , Stefan Raffetseder , Thomas Bertram , Julia Shatokina , Faustine Cantalloube

Exoplanet imaging has thus far enabled studies of wide-orbit ($>$10 AU) giant planet ($>$2 Jupiter masses) formation and giant planet atmospheres, with future 30 meter-class Extremely Large Telescopes (ELTs) needed to image and characterize…

Instrumentation and Methods for Astrophysics · Physics 2023-08-14 Benjamin L. Gerard , Daren Dillon , Sylvain Cetre , Rebecca Jensen-Clem

MAORY is the Multi-conjugate Adaptive Optics RelaY for the European ELT aimed at providing a 1 arcmin corrected field to MICADO, a near-infrared spectro-imager with a focus on astrometry. In this paper we re-view the main requirements and…

Instrumentation and Methods for Astrophysics · Physics 2021-01-01 Lorenzo Busoni , Guido Agapito , Cedric Plantet , Sylvain Oberti , Christophe Verinaud , Miska Le Louarn , Simone Esposito , Paolo Ciliegi

The Multiconjugate adaptive Optic Relay For ELT Observations (MORFEO, formerly known as MAORY) is the adaptive optics (AO) module for the Extremely Large Telescope (ELT) aimed at providing a 1 arcmin corrected field to the Multi-AO Imaging…

Instrumentation and Methods for Astrophysics · Physics 2022-09-01 Guido Agapito , Lorenzo Busoni , Giulia Carlà , Cédric Plantet , Simone Esposito , Paolo Ciliegi

We have developed a detailed Monte Carlo simulation program for the Belle TOF system. Based on GEANT simulation, it takes account of all physics processes in the TOF scintillation counters and readout electronics. The simulation reproduces…

We present an algorithm for simulating reverse Monte Carlo decays given an existing forward Monte Carlo decay engine. This algorithm is implemented in the Alouette library, a TAUOLA thin wrapper for simulating decays of tau-leptons. We…

Computational Physics · Physics 2022-09-07 Valentin Niess

In this work, we present modeling and imaging performance of a dual panel limited-angle TOF-PET system for intraoperative surgical applications using GATE monte carlo toolkit. Several detector parameters such as detector pixel dimensions,…

Medical Physics · Physics 2024-02-13 Salar Sajedi , Yuemeng Feng , Hamid Sabet

Knowledge of the optical turbulence profile is important in adaptive optics (AO) systems, particularly tomographic AO systems such as those to be employed by the next generation of 40 m class extremely large telescopes (ELTs). Site…

Instrumentation and Methods for Astrophysics · Physics 2018-09-26 O. J. D. Farley , J. Osborn , T. Morris , M. Sarazin , T. Butterley , M. J. Townson , P. Jia , R. W. Wilson

We present the results obtained with an end-to-end simulator of an Extreme Adaptive Optics (XAO) system control loop. It is used to predict its on-sky performances and to optimise the AO loop algorithms. It was first used to validate a…

Instrumentation and Methods for Astrophysics · Physics 2023-01-10 Anthony Berdeu , Michel Tallon , Éric Thiébaut , Mary Angelie Alagao , Sitthichat Sukpholtham , Maud Langlois , Adithep Kawinkij , Puttiwat Kongkaew

MORFEO (Multi-conjugate adaptive Optics Relay For ELT Observations, formerly MAORY), the MCAO system for the ELT, will provide diffraction-limited optical quality to the large field camera MICADO. MORFEO has officially passed the…

Instrumentation and Methods for Astrophysics · Physics 2024-06-06 Lorenzo Busoni , Guido Agapito , Alessandro Ballone , Alfio Puglisi , Alexander Goncharov , Amedeo Petrella , Amico Di Cianno , Andrea Balestra , Andrea Baruffolo , Andrea Bianco , Andrea Di Dato , Angelo Valentini , Benedetta Di Francesco , Benoit Sassolas , Bernardo Salasnich , Carmelo Arcidiacono , Cedric Plantet , Christian Eredia , Daniela Fantinel , Danilo Selvestrel , Deborah Malone , Demetrio Magrin , Domenico D'Auria , Edoardo Redaelli , Elena Carolo , Elia Costa , Elisa Portaluri , Enrico Cascone , Enrico Giro , Federico Battaini , Francesca Annibali , Fulvio Laudisio , Gabriele Rodeghiero , Gabriele Umbriaco , Gael Chauvin , Gianluca Di Rico , Giorgio Pariani , Giulia Carlà , Giulio Capasso , Giuseppe Cosentino , Jean Jacques Correia , Italo Foppiani , Ivan Di Antonio , Jacopo Farinato , Kalyan Kumar Radhakrishnan , Laurence Gluck , Laurent Pinard , Luca Marafatto , Marcello Agostino Scalera , Marco Gullieuszik , Marco Bonaglia , Marco Riva , Marco Xompero , Maria Bergomi , Matteo Aliverti , Matteo Genoni , Matteo Munari , Mauro Dolci , Michel Christophe , Michele Cantiello , Mirko Colapietro , Nicholas Devaney , Nicolò Azzaroli , Paolo Grani , Paolo Ciliegi , Patrick Rabou , Philippe Feautrier , Pietro Schipani , Roberto Ragazzoni , Rosanna Sordo , Runa Briguglio , Salvatore Lampitelli , Salvatore Savarese , Simone Benedetti , Simone Di Filippo , Simone Esposito , Simonetta Chinellato , Sylvain Oberti , Sylvain Rochat , Tommaso Lapucci , Ugo Di Giammatteo , Vincenzo Cianniello , Vincenzo De Caprio , Zoltan Hubert

The Multi-adaptive optics Imaging CamerA for Deep Observations (MICADO) will image a field of view of nearly 1 arcminute at the diffraction limit of the Extremely Large Telescope (ELT), making use of the adaptive optics correction provided…

Integral field spectrographs are major instruments to study the mechanisms involved in the formation and the evolution of early galaxies. When combined with multi-object spectroscopy, those spectrographs can behave as machines used to…

Astrophysics · Physics 2008-11-26 Francois Assemat , Eric Gendron , Francois Hammer

In this paper, we proposed a multi-objective approach for the EEG Inverse Problem. This formulation does not need unknown parameters that involve empirical procedures. Due to the combinatorial characteristics of the problem, this…

Neural and Evolutionary Computing · Computer Science 2021-12-28 José Enrique Alvarez Iglesias , Mayrim Vega-Hernández , Eduardo Martínez-Montes

Multiconjugate adaptive optics (MCAO) systems have the potential to deliver diffraction-limited images over much larger fields of view than traditional single conjugate adaptive optics systems. In MCAO, the high altitude deformable mirrors…

Solar and Stellar Astrophysics · Physics 2022-01-19 Marcos A. van Dam , Yolanda Martín Hernando , Miguel Núñez Cagigal , Luzma M. Montoya

A multi-object spectrograph on the forthcoming European Extremely Large Telescope will be required to operate with good sky coverage. Many of the interesting deep cosmological fields were deliberately chosen to be free of bright foreground…

Instrumentation and Methods for Astrophysics · Physics 2015-06-23 Alastair Basden , Chris Evans , Tim Morris

Deep observations of the Universe, usually as a part of sky surveys, are one of the symbols of the modern astronomy because they can allow big collaborations, exploiting multiple facilities and shared knowledge. The new generation of…

Instrumentation and Methods for Astrophysics · Physics 2020-12-18 Elisa Portaluri , Valentina Viotto , Roberto Ragazzoni , Carmelo Arcidiacono , Maria Bergomi , Marco Dima , Davide Greggio , Jacopo Farinato , Demetrio Magrin

Direct imaging of Earth-like exoplanets is one of the most prominent scientific drivers of the next generation of ground-based telescopes. Typically, Earth-like exoplanets are located at small angular separations from their host stars,…

Instrumentation and Methods for Astrophysics · Physics 2024-01-02 Jalo Nousiainen , Byron Engler , Markus Kasper , Chang Rajani , Tapio Helin , Cédric T. Heritier , Sascha P. Quanz , Adrian M. Glauser

Computed Tomography (CT) image reconstruction is crucial for accurate diagnosis and deep learning approaches have demonstrated significant potential in improving reconstruction quality. However, the choice of loss function profoundly…

Image and Video Processing · Electrical Eng. & Systems 2024-03-19 Yipeng Sun , Yixing Huang , Linda-Sophie Schneider , Mareike Thies , Mingxuan Gu , Siyuan Mei , Siming Bayer , Andreas Maier