Dr. Pietro Bolli Profile

Dr. Pietro Bolli

at INAF - Osservatorio Astrofisico di Arcetri

SPIE Involvement:

Author

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Publications (21)

Proceedings Article | 23 August 2024 Poster + Paper

Poster + Paper

Consolidation of surface charging analyses on the Ariel payload dielectrics in the early transfer orbit and L2 space environments

M. Focardi, M. Michelagnoli, M. Pudney, I. Renouf, P. Merola, L. Carbonaro, V. Noce, M. Vela Nunez, P. Bolli, R. Nesti, S. Chiarucci, G. Dinuzzi, E. Tommasi, F. De Persio, M. Salatti, D. Brienza, R. Piazzolla, G. Morgante, E. Pace, G. Preti, G. Micela, G. Malaguti, A. Caldwell, P. Eccleston, G. Tinetti

Proceedings Volume 13092, 1309250 (2024) https://doi.org/10.1117/12.3017998

KEYWORDS: Plasma, Solar processes, Simulations, Space operations, Electrons, Sun, Dielectrics, Particles, Ions, Sunlight

Read Abstract +

Ariel (Atmospheric Remote Sensing Infrared Exoplanet Large Survey) [1] [2] is the fourth Mission (M4) of the ESA’s Cosmic Vision Program 2015-2025, selected in March 2018 and officially adopted in November 2020 by the Agency, whose aim is to characterize the atmospheres of hundreds of diverse exoplanets orbiting nearby different types of stars and to identify the key factors affecting the formation and evolution of planetary systems. The Mission will have a nominal duration of four years and a possible extension of two years at least. Its launch is presently scheduled for mid 2029 from the French Guiana Space Centre in Kourou on board an Ariane 6.2 launcher in a dual launch configuration with Comet Interceptor. The baseline operational orbit of the Ariel is a large amplitude halo orbit around the second Lagrangian (L2) virtual point located along the line joining the Sun and the Earth-Moon system at about 1.5 million km (~236 RE) from the Earth in the anti-Sun direction. Ariel’s halo orbit is designed to be an eclipse-free orbit as it offers the possibility of long uninterrupted observations in a fairly stable environment (thermal, radiation, etc.). An injection trajectory is foreseen with a single passage through the Van Allen radiation belts (LEO, MEO and GEO near-Earth environments). This is approximated by a worst-case half orbit, prior the injection and transfer to L2, with a duration of 10.5 hours, a perigee of 300 km (LEO), an apogee of 64000 km (GEO and beyond), and an inclination close to 0 degrees. During both the injection trajectory and the final orbit around L2, Ariel will encounter and interact mainly with the Sun radiation and the space plasma environment. In L2 the Ariel spacecraft will spend most of its time in the direct solar wind and the Earth’s magnetosheath with passages through the magnetotail. These three environments, along with LEO and GEO, can lead to the build-up of a net electric charge on the spacecraft and payload conductive and dielectric surfaces leading to the risk of Electro Static Discharges (ESD), potentially endangering the whole Payload integrity and telecommunications to Ground.

Proceedings Article | 27 August 2022 Poster + Paper

Poster + Paper

The instrument control unit of the ARIEL payload: design evolution following the unit and payload subsystems SRR (system requirements review)

Vladimiro Noce, Mauro Focardi, Anna Maria Di Giorgio, Emanuele Galli, Maria Farina, Giovanni Giusi, Marina Vela Nunez, Luca Naponiello, Andrea Lorenzani, Luca Serafini, Carlo Del Vecchio Blanco, Marco Verna, Cristophe Cara, Michel Berthé, Jerome Martignac, Roland Ottensamer, Giuseppina Micela, Giuseppe Malaguti, Emanuele Pace, Giampaolo Preti, Federico Miceli, Enzo Pascale, Giovanna Tinetti, Paul Eccleston, Elisabetta Tommasi, Fulvio De Persio, Pietro Bolli, Renzo Nesti, Marcella Iuzzolino, Luca Carbonaro, Ciro Del Vecchio, Debora Ferruzzi, Anna Brucalassi, Gilberto Falcini, Andrea Tozzi, Daniele Gottini

Proceedings Volume 12180, 1218043 (2022) https://doi.org/10.1117/12.2628172

KEYWORDS: Space operations, Infrared spectroscopy, Control systems, Spectroscopy, Telescopes, Infrared radiation, Power supplies, Space telescopes

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Proceedings Article | 27 August 2022 Poster + Paper

Poster + Paper

The detector control unit of the fine guidance sensor instrument on-board the ARIEL mission: design status

Vladimiro Noce, Mauro Focardi, Marina Vela Nunez, Luca Naponiello, Andrea Lorenzani, Raoul Grimoldi, Elio Mangraviti, Luca Carli, Kamil Ber, Miroslaw Rataj, Konrad Rutkowski, Konrad Skup, Przemyslaw Nita, Giuseppina Micela, Giuseppe Malaguti, Natalia Auricchio, Emanuele Pace, Giampaolo Preti, Enzo Pascale, Giovanna Tinetti, Paul Eccleston, Elisabetta Tommasi, Mario Salatti, Raffaele Piazzolla, Pietro Bolli, Renzo Nesti, Marcella Iuzzolino, Luca Carbonaro, Ciro Del Vecchio, Debora Ferruzzi, Federico Miceli, Anna Brucalassi, Gilberto Falcini, Andrea Tozzi, Daniele Gottini

Proceedings Volume 12180, 1218046 (2022) https://doi.org/10.1117/12.2628327

KEYWORDS: Field programmable gate arrays, Electronics, Data processing, Power supplies, Image processing, Infrared imaging, Space telescopes, Exoplanets, Infrared spectroscopy, Photometry

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Proceedings Article | 27 August 2022 Poster + Paper

Poster + Paper

Preliminary surface charging analysis of Ariel payload dielectrics in early transfer orbit and L2-relevant space environment

M. Focardi, M. Michelagnoli, V. Noce, M. Vela Nunez, P. Bolli, R. Nesti, A. Lorenzani, L. Carbonaro, C. Del Vecchio, G. Falcini, A. Tozzi, A, Di Giorgio, E. Galli, M. Farina, G. Giusi, S. Liu, M. Venter, E. Tommasi, F. De Persio, M. Salatti, D. Brienza, R. Piazzolla, G. Morgante, N. Auricchio, E. Pascale, L. Naponiello, G. Redigonda, E. Pace, G. Preti, G. Micela, G. Malaguti, P. Eccleston, A. Caldwell, G. Bishop, L. Desjonqueres, G. Tinetti

Proceedings Volume 12180, 1218047 (2022) https://doi.org/10.1117/12.2628170

KEYWORDS: Space operations, Plasma, Dielectrics, Electrons, Solar processes, Ions, Particles, Satellites, Spectroscopy, Information technology

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SPIE Journal Paper | 25 February 2022 Open Access

Open Access

Impact of mutual coupling between SKALA4.1 antennas to the spectral smoothness response

Pietro Bolli, Mirko Bercigli, Paola Di Ninni, Lorenzo Mezzadrelli, Giuseppe Virone

JATIS, Vol. 8, Issue 01, 011023, (February 2022) https://doi.org/10.1117/12.10.1117/1.JATIS.8.1.011023

KEYWORDS: Antennas, Polarization, Radiation effects, Scattering, Prototyping, Calibration, Transducers, Tolerancing, Statistical analysis, Receivers

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SPIE Journal Paper | 18 January 2022 Open Access

Open Access

Computational electromagnetics for the SKA-Low prototype station AAVS2

Pietro Bolli, David Davidson, Mirko Bercigli, Paola Di Ninni, Maria Grazia Labate, Daniel Ung, Giuseppe Virone

JATIS, Vol. 8, Issue 01, 011017, (January 2022) https://doi.org/10.1117/12.10.1117/1.JATIS.8.1.011017

KEYWORDS: Antennas, Prototyping, Polarization, Computational electromagnetics, Calibration, Electromagnetism, Scattering, Phased arrays, Computer simulations, Solid modeling

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SPIE Journal Paper | 5 January 2022 Open Access

Open Access

Characterization of the SKA1-Low prototype station Aperture Array Verification System 2

Giulia Macario, Giuseppe Pupillo, Gianni Bernardi, Pietro Bolli, Paola Di Ninni, Giovanni Comoretto, Andrea Mattana, Jader Monari, Federico Perini, Marco Schiaffino, Marcin Sokolowski, Randall Wayth, Jess Broderick, Mark Waterson, Maria Grazia Labate, Riccardo Chiello, Alessio Magro, Tom Booler, Andrew McPhail, Dave Minchin, Raunaq Bhushan

JATIS, Vol. 8, Issue 01, 011014, (January 2022) https://doi.org/10.1117/12.10.1117/1.JATIS.8.1.011014

KEYWORDS: Calibration, Polarization, Sun, Antennas, Prototyping, Telescopes, Visibility, Signal to noise ratio, Phased arrays, Observatories

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SPIE Journal Paper | 23 November 2021 Open Access

Open Access

Measurement of the LOFAR-HBA beam patterns using an unmanned aerial vehicle in the near field

Giuseppe Virone, Fabio Paonessa, Lorenzo Ciorba, Stefania Matteoli, Pietro Bolli, Stefan Wijnholds, Giuseppe Addamo

JATIS, Vol. 8, Issue 01, 011005, (November 2021) https://doi.org/10.1117/12.10.1117/1.JATIS.8.1.011005

KEYWORDS: Unmanned aerial vehicles, Near field, Antennas, Raster graphics, Optical simulations, Analog electronics, Satellite navigation systems, Receivers, Polarization, Calibration

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Proceedings Article | 13 December 2020 Poster + Presentation + Paper

Poster + Presentation + Paper

A prototype model for evaluating SKA-LOW station calibration

A. J. J. van Es, M. G. Labate, M. F. Waterson, J. Monari, P. Bolli, D. Davidson, R. Wayth, M. Sokolowski, P. Di Ninni, G. Pupillo, G. Macario, G. Virone, L. Ciorba, F. Paonessa

Proceedings Volume 11445, 1144589 (2020) https://doi.org/10.1117/12.2562391

KEYWORDS: Antennas, Calibration, Telescopes, Prototyping, Phased arrays, Polarization, Device simulation, Astronomy, Sun, Galactic astronomy

Read Abstract +

The Square Kilometre Array telescope at low-frequency (SKA-Low) will be a phased array telescope supporting a wide range of science cases covering the frequency band 50 - 350 MHz, while at the same time asking for high sensitivity and excellent characteristics. These extremely challenging requirements resulted in a design using 512 groups of 256 log periodic dual polarized antennas each (where each group is called “station”), for a total of 131072 antennas. The 512 stations are randomly distributed mostly within a dense area around the centre of the SKA-Low, and then in 3 arms having 16 station clusters each. In preparation for the SKA Phase 1 (SKA1) System Critical Design Review (CDR), prototype stations were deployed at the Murchison Radio-astronomy Observatory (MRO) site (Western Australia) near the Murchison Widefield Array (MWA) radio telescope. The project involved multiple parties in an International collaboration building and testing different prototypes of the SKA1-Low station near the actual site. This resulted in both organisational and logistic challenges typical of a deployment of the actual telescope. The test set-up involved a phased build-up of the complex station of log-periodic antennas, by starting from the deployment of 48 antennas and related station signal processing (called AAVS1.5, where AAVS stands for Aperture Array Verification System), followed by expansion to a full station (AAVS2.0). As reference a station with dipole antennas EDA2 (EDA: Engineering Development Array) was deployed. This test set-up was used for an extensive test and evaluation programme. All test antenna configurations were simulated in detail by electromagnetic (EM) models, and the prediction of the models was further verified by appropriate tests with a drone-based radio frequency source. Astronomical observations on Sun and galaxy transit were performed with calibrated stations of both EDA2, AAVS1.5 and AAVS2.0. All 3 configurations were calibrated. EM modelling and calibration results for the full station AAVS2.0 and EM verification for the AAVS1.5 station are presented. The comparisons between the behaviour of the log-periodic antennas and the dipoles have advanced our understanding the calibration quality and the technological maturity of the future SKA1-Low array.

Proceedings Article | 9 July 2018 Presentation + Paper

Presentation + Paper

Metamaterial-based Toraldo pupils for super-resolution at millimetre wavelengths

Giampaolo Pisano, Alexey Shitvov, Carole Tucker, Daniela Mugnai, Pietro Bolli, Luca Olmi, Francesco D'Agostino, Massimo Migliozzi, Alessandro Orfei, Alessandro Navarrini, Cristiano Riminesi, Bruno Maffei

Proceedings Volume 10708, 107080G (2018) https://doi.org/10.1117/12.2314086

KEYWORDS: Phase shifts, Super resolution, Gaussian beams, Collimators, Mirrors, Metamaterials, Receivers, Antennas, Reflection, Polarization

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Proceedings Article | 27 July 2016 Paper

Paper

Super-resolution with Toraldo pupils: analysis with electromagnetic numerical simulations

Luca Olmi, Pietro Bolli, Luca Cresci, Daniela Mugnai, Enzo Natale, Renzo Nesti, Dario Panella, Lorenzo Stefani

Proceedings Volume 9906, 99065Y (2016) https://doi.org/10.1117/12.2230970

KEYWORDS: Super resolution, Numerical simulations, Antennas, Point spread functions, Electromagnetism, Spatial resolution, Device simulation, Phase modulation, Gaussian beams, Transmittance

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Proceedings Article | 27 July 2016 Paper

Paper

Antenna pattern characterization of the low-frequency receptor of LOFAR by means of an UAV-mounted artificial test source

P. Bolli, F. Paonessa, G. Pupillo, G. Virone, M. Arts, A. Lingua, J. Monari, S. Wijnholds

Proceedings Volume 9906, 99063V (2016) https://doi.org/10.1117/12.2232419

KEYWORDS: Antennas, Unmanned aerial vehicles, Calibration, Electromagnetism, Receptors, Polarization, Solids, Astronomy, Transmitters, Micro unmanned aerial vehicles

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Proceedings Article | 20 July 2016 Paper

Paper

Status of the radio receiver system of the Sardina Radio Telescope

G. Valente, A. Orfei, R. Nesti, A. Navarrini, S. Mariotti, P. Bolli, T. Pisanu, J. Roda, L. Cresci, P. Marongiu, A. Scalambra, D. Panella, A. Ladu, A. Cattani, L. Carbonaro, E. Urru, A. Cremonini, F. Fiocchi, A. Maccaferri, M. Morsiani, M. Poloni

Proceedings Volume 9914, 991425 (2016) https://doi.org/10.1117/12.2232880

KEYWORDS: Receivers, Radio telescopes, Cryogenics, Polarization, Oscillators, Waveguides, Interference (communication), Electronic filtering, Linear filtering, L band

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Proceedings Article | 22 July 2014 Paper

Paper

Sardinia aperture array demonstrator

M. Murgia, G. Bianchi, P. Bolli, G. Comoretto, D. Dallacasa, M. Farooqui, F. Gaudiomonte, L. Gregorini, F. Govoni, K-H. Mack, M. Massardi, A. Mattana, A. Melis, J. Monari, L. Mureddu, G. Naldi, F. Paonessa, F. Perini, A. Poddighe, I. Porceddu, I. Prandoni, G. Pupillo, M. Schiaffino, F. Schillirò, G. Serra, A. Tibaldi, T. Venturi, G. Virone, A. Zanichelli

Proceedings Volume 9145, 91454S (2014) https://doi.org/10.1117/12.2055793

KEYWORDS: Antennas, Electromagnetic coupling, Satellites, Prototyping, Data modeling, Visibility, Optical simulations, Spatial resolution, Interferometry, Phased arrays

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Proceedings Article | 17 September 2012 Paper

Paper

The microwave holography system for the Sardinia Radio Telescope

G. Serra, P. Bolli, G. Busonera, T. Pisanu, S. Poppi, F. Gaudiomonte, G. Zacchiroli, J. Roda, M. Morsiani, J. López-Pérez

Proceedings Volume 8444, 84445W (2012) https://doi.org/10.1117/12.926160

KEYWORDS: Holography, Antennas, Satellites, Reflectors, Receivers, Radio telescopes, Signal to noise ratio, Field programmable gate arrays, Microwave radiation, Calibration

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Proceedings Article | 21 July 2010 Paper

Paper

A control loop closure system for the Sardinia Radio Telescope active surface

Claudio Pernechele, Carlo Barbieri, Pietro Bolli, Franco Buffa, Tonino Pisanu, Sergio Poppi, Giampaolo Serra, Marco Morsiani, Juri Roda, Giampaolo Zacchiroli, Carlo Nocita, Mario Paternò

Proceedings Volume 7739, 77391C (2010) https://doi.org/10.1117/12.855981

KEYWORDS: Sensors, Actuators, Reflectors, Semiconductor lasers, Control systems, Active optics, Antennas, Holography, Radio telescopes, Cameras

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Proceedings Article | 15 July 2010 Paper

Paper

The dual-band LP feed system for the Sardinia Radio Telescope prime focus

G. Valente, T. Pisanu, P. Bolli, S. Mariotti, P. Marongiu, A. Navarrini, R. Nesti, A. Orfei, J. Roda

Proceedings Volume 7741, 774126 (2010) https://doi.org/10.1117/12.857306

KEYWORDS: L band, Waveguides, Antennas, Connectors, Radio telescopes, Receivers, Device simulation, Transducers, Polarization, Electromagnetic coupling

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Proceedings Article | 28 April 2010 Paper

Paper

Iqueye: a single-photon counting very high-speed photometer for the ESO 3.5m NTT

C. Barbieri, G. Naletto, I. Capraro, T. Occhipinti, E. Verroi, P. Zoccarato, S. Gradari, M. Barbieri, C. Germana, L. Zampieri, E. Giro, V. Da Deppo, A. Di Paola, C. Facchinetti, P. Bolli, C. Pernechele, S. Billotta, G. Bonanno, M. Belluso, F. Messina, M. Zaccariotto

Proceedings Volume 7681, 768110 (2010) https://doi.org/10.1117/12.850659

KEYWORDS: Photometry, Picosecond phenomena, Telescopes, Sensors, Astronomy, Rubidium, Oscillators, Space telescopes, Global Positioning System, Receivers

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Proceedings Article | 18 May 2009 Paper

Paper

Very fast photon counting photometers for astronomical applications: IquEYE for the ESO 3.5m New Technology Telescope

Cesare Barbieri, Giampiero Naletto, Ivan Capraro, Tommaso Occhipinti, Enrico Verroi, Paolo Zoccarato, Claudia Facchinetti, Claudio Germanà, Marco Parrozzani, Mirco Zaccariotto, Gabriele Anzolin, Fabrizio Tamburini, Andrea Di Paola, Enrico Giro, Giovanni Bonanno, Sergio Billotta, Claudio Pernechele, Pietro Bolli, Luca Zampieri, Andrea Possenti, Andrej Cadez

Proceedings Volume 7355, 73550R (2009) https://doi.org/10.1117/12.821626

KEYWORDS: Telescopes, Astronomy, Rubidium, Photon counting, Photometry, Sensors, Astronomical telescopes, Space telescopes, Picosecond phenomena

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Proceedings Article | 10 July 2008 Paper

Paper

Status of the Sardinia Radio Telescope project

Gianni Tofani, Gianni Alvito, Roberto Ambrosini, Pietro Bolli, Claudio Bortolotti, Loredana Bruca, Franco Buffa, Alessandro Cattani, Gianni Comoretto, Andrea Cremonini, Luca Cresci, Nichi D'Amico, Gian Luigi Deiana, Antonietta Fara, Luigina Feretti, Franco Fiocchi, Enrico Flamini, Flavio Fusi Pecci, Gavril Grueff, Giuseppe Maccaferri, Andrea Maccaferri, Franco Mantovani, Sergio Mariotti, Carlo Migoni, Filippo Messina, Jader Monari, Marco Morsiani, Matteo Murgia, José Musmeci, Mauro Nanni, Vincenzo Natale, Alessandro Navarrini, Monia Negusini, Renzo Nesti, Luca Olmi, Alessandro Orfei, Andrea Orlati, Francesco Palla, Dario Panella, Claudio Pernechele, Salvatore Pilloni, Tonino Pisanu, Antonio Poddighe, Marco Poloni, Angelo Poma, Sergio Poppi, Ignazio Porceddu, Isabella Prandoni, Juri Roda, Mauro Roma, Pierguido Sarti, Alessandro Scalambra, Francesco Schillirò, Andrea Tarchi, Gian Paolo Vargiu, Giampaolo Zacchiroli

Proceedings Volume 7012, 70120F (2008) https://doi.org/10.1117/12.790503

KEYWORDS: Receivers, Antennas, Mirrors, Telescopes, Radio astronomy, Control systems, Space telescopes, Radio telescopes, Astronomy, Electromagnetic coupling

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Proceedings Article | 28 September 2004 Paper

Paper

Sardinia Radio Telescope: the new Italian project

Gavril Grueff, Giovanni Alvito, Roberto Ambrosini, Pietro Bolli, Andrea Maccaferri, Giuseppe Maccaferri, Marco Morsiani, Leonardo Mureddu, Vincenzo Natale, Luca Olmi, Alessandro Orfei, Claudio Pernechele, Angelo Poma, Ignazio Porceddu, Lucio Rossi, Gianpaolo Zacchiroli

Proceedings Volume 5489, (2004) https://doi.org/10.1117/12.550332

KEYWORDS: Mirrors, Antennas, Radio telescopes, Receivers, Reflectors, Actuators, Servomechanisms, Metrology, Aluminum, Astrophysics

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Showing 5 of 21 publications

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