Dr. Roberto Speziali Profile

Dr. Roberto Speziali

Researcher at INAF - Osservatorio Astronomico di Roma

SPIE Involvement:

Author

Publications (29)

Proceedings Article | 11 June 2021 Open Access

Open Access

Presentation + Paper

CaNaPy: SatComm LGS-AO experimental platform with laser uplink pre-compensation

D. Bonaccini Calia, M. Centrone, E. Pinna, D. Alaluf, N. Martinez, J. Osborn, W. Hackenberg, M. Townson, M. Faccini, A. Di Paola, L. F. Rodriguez Ramos, R. Speziali, M. Reyes, P. Janout, D. Jenkins, D. P. Wei, T. Fischer, J. Perdigues, W. R. L. Clements

Proceedings Volume 11852, 118521A (2021) https://doi.org/10.1117/12.2599233

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Proceedings Article | 11 June 2021 Open Access

Open Access

Poster + Presentation + Paper

Paving the way to daytime optical feeder links based on LGS assisted adaptive optics

D. Alaluf, M. Centrone, D. Bonaccini Calia, P. Suetterling, R. Speziali, M. Faccini, W. Hackenberg, J. Perdigues Armengol, A. Di Paola

Proceedings Volume 11852, 118525Y (2021) https://doi.org/10.1117/12.2600028

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Proceedings Article | 13 December 2020 Poster + Paper

Poster + Paper

Ground-based adaptive optics observations with orbiting nanosatellite (GO-ON)

G. Di Rico, M. Dolci, F. Pedichini, G. Rodeghiero, E. Portaluri, M. Cantiello, S. Simonetti, A. Ceriello, R. Fortezza, C. Arcidiacono, S. Zaggia, S. Antoniucci, R. Speziali, G. Agapito, E. Pinna, M. Xompero, I. Di Antonio, R. Ragazzoni, S. Esposito, A. Fontana

Proceedings Volume 11448, 1144874 (2020) https://doi.org/10.1117/12.2561448

KEYWORDS: Adaptive optics, Telescopes, Atmospheric turbulence, Large telescopes, Stars, Nanotechnology, Diffraction, Astronomical imaging, Astronomy, Space operations

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Proceedings Article | 6 July 2018 Presentation + Paper

Presentation + Paper

SAMM: the solar activity MOF monitor

Marco Stangalini, Roberto Piazzesi, Roberto Speziali, Luciano Dal Sasso

Proceedings Volume 10700, 107001K (2018) https://doi.org/10.1117/12.2313373

KEYWORDS: Solar processes, Observatories, Polarizers, Sun, Telescopes, Doppler effect, Optical filters

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Proceedings Article | 8 July 2014 Paper

Paper

MOONS: the Multi-Object Optical and Near-infrared Spectrograph for the VLT

M. Cirasuolo, J. Afonso, M. Carollo, H. Flores, R. Maiolino, E. Oliva, S. Paltani, Leonardo Vanzi, Christopher Evans, M. Abreu, David Atkinson, C. Babusiaux, Steven Beard, F. Bauer, M. Bellazzini, Ralf Bender, P. Best, N. Bezawada, P. Bonifacio, A. Bragaglia, I. Bryson, D. Busher, A. Cabral, K. Caputi, M. Centrone, F. Chemla, A. Cimatti, M-R. Cioni, G. Clementini, J. Coelho, D. Crnojevic, E. Daddi, J. Dunlop, S. Eales, S. Feltzing, A. Ferguson, M. Fisher, A. Fontana, J. Fynbo, B. Garilli, G. Gilmore, A. Glauser, I. Guinouard, F. Hammer, P. Hastings, A. Hess, R. Ivison, P. Jagourel, M. Jarvis, L. Kaper, G. Kauffman, A. Kitching, A. Lawrence, D. Lee, B. Lemasle, G. Licausi, S. Lilly, D. Lorenzetti, D. Lunney, F. Mannucci, R. McLure, D. Minniti, D. Montgomery, B. Muschielok, K. Nandra, R. Navarro, P. Norberg, S. Oliver, L. Origlia, N. Padilla, J. Peacock, F. Pedichini, J. Peng, L. Pentericci, J. Pragt, M. Puech, S. Randich, P. Rees, A. Renzini, N. Ryde, M. Rodrigues, I. Roseboom, F. Royer, R. Saglia, A. Sanchez, R. Schiavon, H. Schnetler, D. Sobral, R. Speziali, D. Sun, R. Stuik, A. Taylor, W. Taylor, S. Todd, E. Tolstoy, M. Torres, M. Tosi, E. Vanzella, L. Venema, F. Vitali, M. Wegner, M. Wells, V. Wild, G. Wright, G. Zamorani, M. Zoccali

Proceedings Volume 9147, 91470N (2014) https://doi.org/10.1117/12.2056012

KEYWORDS: Galactic astronomy, Spectrographs, Stars, Spectral resolution, Spectroscopy, Astronomical imaging, Sensors, Cameras, Control systems, Astronomy

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Proceedings Article | 24 September 2012 Paper

Paper

MOONS: a multi-object optical and near-infrared spectrograph for the VLT

M. Cirasuolo, J. Afonso, R. Bender, P. Bonifacio, C. Evans, L. Kaper, Ernesto Oliva, Leonardo Vanzi, Manuel Abreu, Eli Atad-Ettedgui, Carine Babusiaux, Franz Bauer, Philip Best, Naidu Bezawada, Ian Bryson, Alexandre Cabral, Karina Caputi, Mauro Centrone, Fanny Chemla, Andrea Cimatti, Maria-Rosa Cioni, Gisella Clementini, João Coelho, Emanuele Daddi, James Dunlop, Sofia Feltzing, Annette Ferguson, Hector Flores, Adriano Fontana, Johan Fynbo, Bianca Garilli, Adrian Glauser, Isabelle Guinouard, Jean-François Hammer, Peter Hastings, Hans-Joachim Hess, Rob Ivison, Pascal Jagourel, Matt Jarvis, G. Kauffman, A. Lawrence, D. Lee, G. Li Causi, S. Lilly, D. Lorenzetti, R. Maiolino, F. Mannucci, R. McLure, D. Minniti, D. Montgomery, B. Muschielok, K. Nandra, R. Navarro, P. Norberg, L. Origlia, N. Padilla, J. Peacock, F. Pedicini, L. Pentericci, J. Pragt, M. Puech, S. Randich, A. Renzini, N. Ryde, M. Rodrigues, F. Royer, R. Saglia, A. Sánchez, H. Schnetler, D. Sobral, R. Speziali, S. Todd, E. Tolstoy, M. Torres, L. Venema, F. Vitali, M. Wegner, M. Wells, V. Wild, G. Wright

Proceedings Volume 8446, 84460S (2012) https://doi.org/10.1117/12.925871

KEYWORDS: Galactic astronomy, Spectrographs, Spectral resolution, Spectroscopy, Stars, Astronomical imaging, Astronomy, Near infrared spectroscopy, Spine, Optical fibers

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Proceedings Article | 24 September 2012 Paper

Paper

The design of the MOONS-VLT spectrometer

E. Oliva, E. Diolaiti, B. Garilli, R. Gratton, D. Lorenzetti, P. Schipani, S. Scuderi, E. Vanzella, M. Cirasuolo, J. Afonso, R. Bender, P. Bonifacio, L. Kaper, L. Vanzi, C. Baffa, A. Bianco, C. Bonoli, F. Bortoletto, P. Bruno, L. Carbonaro, M. Centrone, G. Cresci, V. De Caprio, C. Del Vecchio, P. Di Marcantonio, A. Di Paola, F. D'Alessio, M. D'Alessandro, S. D'Orsi, G. Falcini, D. Ferruzzi, A. Fontana, I. Foppiani, M. Fumana, E. Giani, F. Leone, G. Li Causi, M. Lombini, R. Maiolino, F. Mannucci, L. Marty, L. Miglietta, M. Munari, R. Navarro, L. Origlia, L. Paioro, F. Pedichini, J. Pragt, S. Randich, M. Scodeggio, P. Spanò, R. Speziali, R. Stuik, A. Tozzi, F. Vitali

Proceedings Volume 8446, 84464V (2012) https://doi.org/10.1117/12.925309

KEYWORDS: Optical fibers, Cameras, Spectroscopy, Sensors, Collimators, Spectrographs, Lawrencium, Mirrors, Spectral resolution, Lenses

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Proceedings Article | 25 August 2010 Paper

Paper

The optical design of a highly segmented, very wide-field spectrograph

Demetrio Magrin, Roberto Ragazzoni, Andrea Baruffolo, Marco Dima, Giorgia Gentile, Jacopo Farinato, Valentina Viotto, Andrea Bianco, Andrea DiPaola, Fernando Pedichini, Roberto Speziali, Dario Maccagni, Adriano Fontana

Proceedings Volume 7735, 77354I (2010) https://doi.org/10.1117/12.857115

KEYWORDS: Telescopes, Optical design, Spectrographs, Cameras, Space telescopes, Optical components, Mirrors, Device simulation, Collimators, Channel projecting optics

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Proceedings Article | 22 July 2010 Paper

Paper

Feeding the wavefront sensors of LINC-NIRVANA: the dedicated Patrol Camera

Dario Lorenzetti, Francesco D'Alessio, Gianluca Li Causi, Fabrizio Vitali, Mauro Centrone, Roberto Speziali, Emiliano Diolaiti, Jacopo Farinato, Roberto Ragazzoni, Thomas Bertram, Florian Briegel, Fulvio De Bonis, Wolfgang Gässler, Tom Herbst, Martin Kürster, Ralf-Rainer Rohloff

Proceedings Volume 7734, 77343S (2010) https://doi.org/10.1117/12.855974

KEYWORDS: Cameras, Stars, Distortion, CCD cameras, Mirrors, Interfaces, Charge-coupled devices, Signal to noise ratio, Fermium, Frequency modulation

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Proceedings Article | 21 July 2010 Paper

Paper

The design of dispersing elements for a highly segmented, very wide-field spectrograph

Andrea Bianco, Dario Maccagni, Roberto Ragazzoni, Adriano Fontana, Andrea Baruffolo, Marco Dima, Andrea Di Paola, Jacopo Farinato, Giorgia Gentile, Emanuele Giallongo, Demetrio Magrin, Fernando Pedichini, Roberto Speziali, Vincenzo Testa

Proceedings Volume 7735, 77357M (2010) https://doi.org/10.1117/12.857689

KEYWORDS: Prisms, Cameras, Refractive index, Spectrographs, Telescopes, Imaging spectroscopy, Diffraction gratings, Spectral resolution, Diffraction, Glasses

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Proceedings Article | 15 July 2010 Paper

Paper

Engineering a highly segmented very wide-field spectrograph

R. Ragazzoni, A. Fontana, D. Maccagni, A. Baruffolo, A. Bianco, A. diPaola, J. Farinato, G. Gentile, E. Giallongo, F. Pedichini, R. Speziali, V. Testa

Proceedings Volume 7735, 77350Q (2010) https://doi.org/10.1117/12.857180

KEYWORDS: Cameras, Optical components, Optical design, Telescopes, Lenses, Sensors, Spectrographs, Vignetting, Astronomy, Silicon

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Proceedings Article | 28 July 2008 Paper

Paper

VSI: the VLTI spectro-imager

F. Malbet, D. Buscher, G. Weigelt, P. Garcia, M. Gai, D. Lorenzetti, J. Surdej, J. Hron, R. Neuhäuser, P. Kern, L. Jocou, J.-P. Berger, O. Absil, U. Beckmann, L. Corcione, G. Duvert, M. Filho, P. Labeye, E. Le Coarer, G. Li Causi, J. Lima, K. Perraut, E. Tatulli, E. Thiébaut, J. Young, G. Zins, A. Amorim, B. Aringer, T. Beckert, M. Benisty, X. Bonfils, A. Cabral, A. Chelli, O. Chesneau, A. Chiavassa, R. Corradi, M. De Becker, A. Delboulbé, G. Duchêne, T. Forveille, C. Haniff, E. Herwats, K.-H. Hofmann, J.-B. Le Bouquin, S. Ligori, D. Loreggia, A. Marconi, A. Moitinho, B. Nisini, P.-O. Petrucci, J. Rebordao, R. Speziali, L. Testi, F. Vitali

Proceedings Volume 7013, 701329 (2008) https://doi.org/10.1117/12.789710

KEYWORDS: Telescopes, Stars, Spectral resolution, Spatial resolution, Interferometry, Integrated optics, Space telescopes, Visibility, Image restoration, Signal to noise ratio

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The VLTI Spectro Imager (VSI) was proposed as a second-generation instrument of the Very Large Telescope Interferometer providing the ESO community with spectrally-resolved, near-infrared images at angular resolutions down to 1.1 milliarcsecond and spectral resolutions up to R = 12000. Targets as faint as K = 13 will be imaged without requiring a brighter nearby reference object; fainter targets can be accessed if a suitable reference is available. The unique combination of high-dynamic-range imaging at high angular resolution and high spectral resolution enables a scientific program which serves a broad user community and at the same time provides the opportunity for breakthroughs in many areas of astrophysics. The high level specifications of the instrument are derived from a detailed science case based on the capability to obtain, for the first time, milliarcsecond-resolution images of a wide range of targets including: probing the initial conditions for planet formation in the AU-scale environments of young stars; imaging convective cells and other phenomena on the surfaces of stars; mapping the chemical and physical environments of evolved stars, stellar remnants, and stellar winds; and disentangling the central regions of active galactic nuclei and supermassive black holes. VSI will provide these new capabilities using technologies which have been extensively tested in the past and VSI requires little in terms of new infrastructure on the VLTI. At the same time, VSI will be able to make maximum use of new infrastructure as it becomes available; for example, by combining 4, 6 and eventually 8 telescopes, enabling rapid imaging through the measurement of up to 28 visibilities in every wavelength channel within a few minutes. The current studies are focused on a 4-telescope version with an upgrade to a 6-telescope one. The instrument contains its own fringe tracker and tip-tilt control in order to reduce the constraints on the VLTI infrastructure and maximize the scientific return.

Proceedings Article | 28 July 2008 Paper

Paper

Near-IR spectrograph of VSI (VLTI Spectro Imager): dispersing the light from an integrated optics beam-combiner

Dario Lorenzetti, Gianluca Li Causi, Roberto Speziali, Fabrizio Vitali, Davide Loreggia, Carlo Baffa, Pierre Kern, Laurent Jocou, Fabien Malbet, Patrick Rabou

Proceedings Volume 7013, 701330 (2008) https://doi.org/10.1117/12.787272

KEYWORDS: Information operations, Spectrographs, Collimators, Sensors, Cameras, Integrated optics, K band, Spectral resolution, Prisms, Interferometry

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Proceedings Article | 11 July 2008 Paper

Paper

The Large Binocular Camera: description and performances of the first binocular imager

R. Speziali, A. Di Paola, E. Giallongo, F. Pedichini, R. Ragazzoni, V. Testa, A. Baruffolo, C. De Santis, E. Diolaiti, J. Farinato, A. Fontana, S. Gallozzi, F. Gasparo, G. Gentile, A. Grazian, P. Manzato, F. Pasian, R. Smareglia, E. Vernet

Proceedings Volume 7014, 70144T (2008) https://doi.org/10.1117/12.790132

KEYWORDS: Cameras, Imaging systems, Sensors, Telescopes, Charge-coupled devices, Control systems, Camera shutters, CCD cameras, Mirrors, Lenses

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Proceedings Article | 28 June 2006 Paper

Paper

The LINC-NIRVANA patrol camera

Dario Lorenzetti, Francesco D'Alessio, Gianluca Li Causi, Fabrizio Vitali, Fernando Pedichini, Roberto Speziali, Emiliano Diolaiti, Jacopo Farinato, Roberto Ragazzoni, Florian Briegel, Fulvio De Bonis, Wolfgang Gaessler, Roberto Soci

Proceedings Volume 6269, 62695C (2006) https://doi.org/10.1117/12.668881

KEYWORDS: Cameras, Stars, Charge-coupled devices, Imaging systems, Mirrors, CCD cameras, Tolerancing, Sensors, Distortion, Optical benches

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Proceedings Article | 27 June 2006 Paper

Paper

Wide-field imaging on 8- to 100-meter class telescopes

Giorgia Gentile, Emiliano Diolaiti, Roberto Ragazzoni, Carmelo Arcidiacono, Andrea Baruffolo, Jacopo Farinato, Italo Foppiani, Matteo Lombini, Emanuele Giallongo, Andrea Di Paola, Fernando Pedichini, Roberto Speziali

Proceedings Volume 6269, 62695V (2006) https://doi.org/10.1117/12.673377

KEYWORDS: Cameras, Telescopes, CCD cameras, Wavefront sensors, Image quality, Large telescopes, Staring arrays, Optical design, Adaptive optics, Sensors

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Proceedings Article | 23 June 2006 Paper

Paper

The wide-field eyes of the Large Binocular Telescope

Roberto Ragazzoni, Emanuele Giallongo, Fabio Pasian, Andrea Baruffolo, Ray Bertram, Emiliano Diolaiti, Andrea Di Paola, Jacopo Farinato, Giorgia Gentile, John Hill, Matteo Lombini, Fernando Pedichini, Roberto Speziali, Riccardo Smareglia, Elise Vernet

Proceedings Volume 6267, 626710 (2006) https://doi.org/10.1117/12.673919

KEYWORDS: Telescopes, Cameras, Mirrors, Manufacturing, Glasses, Tolerancing, Optical components, Optical alignment, Astronomical telescopes, Observatories

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Proceedings Article | 30 September 2004 Paper

Paper

The double Prime Focus camera for the Large Binocular Telescope

Roberto Ragazzoni, Emanuele Giallongo, Fabio Pasian, Carmelo Arcidiacono, Andrea Baruffolo, Emiliano Diolaiti, Andrea Di Paola, Fabio Faccin, Jacopo Farinato, Adriano Fontana, F. Gasparo, Fernando Pedichini, Riccardo Smareglia, Roberto Speziali, Elise Vernet

Proceedings Volume 5492, (2004) https://doi.org/10.1117/12.552136

KEYWORDS: Telescopes, Cameras, Lenses, Aspheric lenses, Charge-coupled devices, Optical alignment, Glasses, Optomechanical design, Cryogenics, Optical design

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Proceedings Article | 30 September 2004 Paper

Paper

Large Binocular Camera: the final acceptance tests of the blue channel

Roberto Speziali, Fernando Pedichini, Andrea Di Paola, Adriano Fontana, Emanuele Giallongo

Proceedings Volume 5492, (2004) https://doi.org/10.1117/12.553772

KEYWORDS: Sensors, Cameras, Camera shutters, Clocks, Charge-coupled devices, Copper, Observatories, Video, Electroluminescence, Imaging systems

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Proceedings Article | 30 September 2004 Paper

Paper

Preparation and testing of a fiber MOS unit feeding a near-infrared spectrograph

Roberto Speziali, Daniele Liberi, Fausto Cortecchia, Francesco D'Alessio, Gianluca Li Causi, Dario Lorenzetti, Fernando Pedichini, Fabrizio Vitali

Proceedings Volume 5492, (2004) https://doi.org/10.1117/12.551294

KEYWORDS: Polishing, Spectrographs, Molybdenum, Telescopes, Optical benches, Near infrared, Polishing equipment, Ultraviolet radiation, Optical fibers, Microscopes

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Proceedings Article | 15 September 2004 Paper

Paper

The LBT double prime focus camera control software

Andrea Di Paola, Andrea Baruffolo, Stefano Gallozzi, Fernando Pedichini, Roberto Speziali

Proceedings Volume 5496, (2004) https://doi.org/10.1117/12.555423

KEYWORDS: Cameras, Control systems, Camera shutters, Telescopes, Optical filters, Active optics, Charge-coupled devices, CCD cameras, Image analysis, Sensors

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Proceedings Article | 7 March 2003 Paper

Paper

Blue and red channels of LBC: a status report on the optics and the mechanics

Emiliano Diolaiti, Roberto Ragazzoni, Fernando Pedichini, Roberto Speziali, Jacopo Farinato, Daniele Gallieni, Enzo Anaclerio, Paolo Lazzarini, Raffaele Tomelleri, Pierfrancesco Rossettini, Emanuele Giallongo

Proceedings Volume 4841, (2003) https://doi.org/10.1117/12.460443

KEYWORDS: Lenses, Optics manufacturing, Channel projecting optics, Optical filters, Silica, Mirrors, Glasses, Optical alignment, Mechanical engineering, Optical design

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Proceedings Article | 7 March 2003 Paper

Paper

LBC: the prime focus optical imagers at the LBT telescope

Fernando Pedichini, Emanuele Giallongo, Roberto Ragazzoni, Andrea Di Paola, Adriano Fontana, Roberto Speziali, Jacopo Farinato, Andrea Baruffolo, Carlo Magagna, Emiliano Diolaiti, Fabio Pasian, Riccardo Smareglia, Enzo Anaclerio, Daniele Gallieni, Paolo Lazzarini

Proceedings Volume 4841, (2003) https://doi.org/10.1117/12.461011

KEYWORDS: Cameras, Telescopes, Charge-coupled devices, Sensors, Stars, Imaging systems, Camera shutters, Control systems, CCD cameras, Lenses

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Proceedings Article | 7 March 2003 Paper

Paper

GOHSS: A MOS fiber-fed multi-echelle spectrograph in the near infrared (0.9-1.8 um)

Dario Lorenzetti, Fausto Cortecchia, Francesco D'Alessio, Agostino Fiorani, Gianluca Li Causi, Dario Mancini, Roberto Scaramella, Roberto Speziali, Fabrizio Vitali

Proceedings Volume 4841, (2003) https://doi.org/10.1117/12.458948

KEYWORDS: Spectrographs, Optical filters, Cameras, Mirrors, Telescopes, Sensors, Quartz, Molybdenum, Aspheric lenses, Prisms

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Proceedings Article | 16 August 2000 Paper

Paper

ROSI: a new cryogenic solution for the CCD on the Schmidt focal planes

Fernando Pedichini, Roberto Speziali, Francesco D'Alessio, Andrea Di Paola

Proceedings Volume 4008, (2000) https://doi.org/10.1117/12.395497

KEYWORDS: Telescopes, Cryogenics, Charge-coupled devices, Cameras, Optical filters, Space telescopes, Imaging systems, Sensors, Optical instrument design, Observatories

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Proceedings Article | 16 August 2000 Paper

Paper

SWIRCAM: a NIR imager-spectrometer to search for extragalactic supernovae

Francesco D'Alessio, Amico Di Cianno, Andrea Di Paola, Croce Giuliani, Danio Guidubaldi, Dario Lorenzetti, Ezio Micolucci, Fernando Pedichini, Roberto Speziali, Gaetano Valentini, Fabrizio Vitali

Proceedings Volume 4008, (2000) https://doi.org/10.1117/12.395533

KEYWORDS: Cameras, Telescopes, Astronomy, Electronics, Observatories, Galactic astronomy, Sensors, Control systems, Near infrared, Telecommunications

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Proceedings Article | 16 August 2000 Paper

Paper

GOHSS (Galileo OH subtracted spectrograph): a progress report

Dario Lorenzetti, Fausto Cortecchia, Fabrizio Vitali, Enrico Cascone, Francesco D'Alessio, Richard Ellis, Agostino Fiorani, Dario Mancini, Ian Parry, Fernando Pedichini, Roberto Scaramella, Roberto Speziali

Proceedings Volume 4008, (2000) https://doi.org/10.1117/12.395527

KEYWORDS: Spectrographs, Optical fibers, Cameras, Telescopes, Spectral resolution, Galactic astronomy, Mirrors, Optical filters, Sensors, Relays

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Proceedings Article | 16 August 2000 Paper

Paper

Double prime focus camera for the F/1.14 Large Binocular Telescope

Roberto Ragazzoni, Emanuele Giallongo, Fabio Pasian, Fernando Pedichini, Adriano Fontana, Gianni Marconi, Roberto Speziali, M. Turatto, J. Danziger, Gabriele Cremonese, Riccardo Smareglia, Daniele Gallieni, Enzo Anaclerio, Paolo Lazzarini

Proceedings Volume 4008, (2000) https://doi.org/10.1117/12.395502

KEYWORDS: Telescopes, Cameras, Charge-coupled devices, Optical design, Interfaces, Mirrors, Data storage, Sensors, Aspheric lenses, Optical filters

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Proceedings Article | 16 June 2000 Paper

Paper

MASTER: a new approach for an automated observatory

Andrea Di Paola, Francesco D'Alessio, Fernando Pedichini, Roberto Speziali

Proceedings Volume 4009, (2000) https://doi.org/10.1117/12.388402

KEYWORDS: Control systems, Telescopes, Digital signal processing, Cameras, Observatories, Domes, Data archive systems, Image processing, Imaging systems, Local area networks

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Showing 5 of 29 publications

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