292 citations · 696 across the 51 of their papers we have counts for
36 papers · 1 filter
SHINS, the SHARK-NIR Instrument Control Software
Davide Ricci, Fulvio Laudisio, Alessandro Lorenzetto +20
SHARK-NIR is a new compact instrument for coronagraphic imaging, direct imaging, and coronagraphic spectroscopy in the near-infrared wavelengths mounted at LBT. Taking advantage of…
New developments on the Ingot WFS laboratory testing
Tânia Gomes Machado, Simone Di Filippo, Kalyan K. R. Santhakumari +16
The Ingot WFS was designed to overcome some of the challenges present in classical wavefront sensors when they deal with sodium LGSs. This innovative sensor works by sensing the fu…
Pupil plane WFSs for LGS systems of giant telescopes: the case of Ingot
Elisa Portaluri, Roberto Ragazzoni, Davide Greggio +9
The Ingot WFS belongs to a class of pupil-plane WFSs designed to address the challenges posed by Sodium Laser Guide Stars, and consists of a combination of refractive and reflectiv…
An Ingot-like class of WaveFront Sensors for Laser Guide Stars
Roberto Ragazzoni, Elisa Portaluri, Davide Greggio +15
Full sky coverage Adaptive Optics on Extremely Large Telescopes requires the adoption of several Laser Guide Stars as references.With such large apertures, the apparent elongation…
The Ingot WFS ON an ELT-like telescope: the project and simulations
Elisa Portaluri, Simone Di Filippo, Valentina Viotto +12
The Ingot WFS represents an innovative and indispensable class of sensors conceived to overcome some limitations due to the LGSs geometry, which is significantly different from the…
Laboratory testing of the Ingot WFS
Simone Di Filippo, Davide Greggio, Maria Bergomi +9
The ingot WFS is a new kind of wavefront sensor specifically designed to deal with the elongation of LGS reference sources on ELT-class telescopes. Like the pyramid, it belongs to…
MAVIS: performance estimation of the adaptive optics module
Guido Agapito, Daniele Vassallo, Cédric Plantet +5
The MCAO Assisted Visible Imager and Spectrograph (MAVIS) is a new visible instrument for ESO Very Large Telescope (VLT). Its Adaptive Optics Module (AOM) must provide extreme adap…
LINC-NIRVANA Commissioning at the Large Binocular Telescope -- Lessons Learned
Kalyan Kumar Radhakrishnan Santhakumari, Carmelo Arcidiacono, Maria Bergomi +11
LINC-NIRVANA (LN) is one of the instruments on-board the Large Binocular Telescope (LBT). LN is a high-resolution, near-infrared imager equipped with an advanced adaptive optics mo…
Optical design trade-off study for the AO module of MAVIS
Davide Greggio, Simone Di Filippo, Demetrio Magrin +18
MAVIS (MCAO-Assisted Visible Imager and Spectrograph) is an instrument proposed for the VLT Adaptive Optics Facility (AOF), which is currently in the phase-A conceptual design stud…
INGOT Wavefront Sensor: from the optical design to a preliminary laboratory test
Simone Di Filippo, Davide Greggio, Maria Bergomi +13
The Ingot wavefront sensor is a novel pupil-plane wavefront sensor, specifically designed to cope with the elongation typical of the extended nature of the Laser Guide Star (LGS).…
MAVIS: system modelling and performance prediction
Guido Agapito, Daniele Vassallo, Cedric Plantet +5
The MCAO Assisted Visible Imager and Spectrograph (MAVIS) Adaptive Optics Module has very demanding goals to support science in the optical: providing 15% SR in V band on a large F…
INGOT WFS for LGSs: First Results from Simulations
Elisa Portaluri, Valentina Viotto, Roberto Ragazzoni +10
The Ingot WFS, a Pyramid-like WFS, has been proposed as a relief to the LGS spot elongation. Actually, the artificial sources are confined in an excited cigar-shaped region in the…
Deep observations with an ELT in the Global Multi Conjugated Adaptive Optics perspective
Elisa Portaluri, Valentina Viotto, Roberto Ragazzoni +6
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 f…
Pupil plane wavefront sensing for extended and 3D sources
Roberto Ragazzoni, Valentina Viotto, Elisa Portaluri +11
The basic outline of a pupil plane WaveFront Sensor is reviewed taking into account that the source to be sensed could be different from an unresolved source, i.e. it is extended,…
INGOT Wavefront Sensor: Simulation of Pupil Images
Valentina Viotto, Elisa Portaluri, Carmelo Arcidiacono +9
The ingot wavefront sensor (I-WFS) has been proposed, for ELT-like apertures, as a possible pupil plane WFS, to cope with the geometrical characteristics of a laser guide star (LGS…
XAO-assisted coronagraphy with SHARK NIR: from simulations to laboratory tests
Gabriele Umbriaco, Elena Carolo, Daniele Vassallo +22
Several Extreme Adaptive Optics (XAO) systems dedicated to the detection and characterisation of the exoplanets are currently in operation for 8-10 meter class telescopes. Coronagr…
The CHEOPS mission
Willy Benz, Christopher Broeg, Andrea Fortier +107
The CHaracterising ExOPlanet Satellite (CHEOPS) was selected in 2012, as the first small mission in the ESA Science Programme and successfully launched in December 2019. CHEOPS is…
Simulations of ELT-GMCAO performance for deep field observations
Elisa Portaluri, Valentina Viotto, Roberto Ragazzoni +6
The Global-Multi Conjugated Adaptive Optics (GMCAO) approach offers an alternative way to correct an adequate scientific Field of View (FoV) using only natural guide stars (NGSs) t…
Prospects of Deep Field Surveys with Global-MCAO on an ELT
Elisa Portaluri, Valentina Viotto, Roberto Ragazzoni +12
Several astronomical surveys aimed at the investigation of the extragalactic components were carried out in order to map systematically the universe and its constituents. An excell…
A Holographic Diffuser Generalised Optical Differentiation Wavefront Sensor
Luca Marafatto, Roberto Ragazzoni, Daniele Vassallo +12
The wavefront sensors used today at the biggest World's telescopes have either a high dynamic range or a high sensitivity, and they are subject to a linear trade off between these…
A testing facility for AO on-sky demonstrations at the Copernico's Telescope within the ADONI framework
S. Chinellato, R. Ragazzoni, J. Farinato +21
In the context of ADONI - the ADaptive Optics National laboratory of INAF - we are arranging for a facility, accessible to the AO community, in which visiting multi-purpose instrum…
A virtual coronagraphic test bench for SHARK-NIR, the second-generation high contrast imager for the Large Binocular Telescope
D. Vassallo, E. Carolo, J. Farinato +21
In this article, we present a simulator conceived for the conceptual study of an AO-fed high-contrast coronagraphic imager. The simulator implements physical optics: a complex dist…
Ingot Laser Guide Stars Wavefront Sensing
Roberto Ragazzoni, Elisa Portaluri, Valentina Viotto +11
We revisit one class of z-invariant WaveFront sensor where the LGS is fired aside of the telescope aperture. In this way there is a spatial dependence on the focal plane with respe…
Alignment and preliminary outcomes of an ELT-size instrument to a very large telescope: LINC-NIRVANA at LBT
M. Bergomi, L. Marafatto, V. Viotto +14
LINC-NIRVANA (LN) is a high resolution, near infrared imager that uses a multiple field-of-view, layer-oriented, multi-conjugate AO system, consisting of four multi-pyramid wavefro…