Dr. Sergio Mottini Profile

Dr. Sergio Mottini

Optical Engineer at Thales Alenia Space

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Author

Publications (13)

Proceedings Article | 31 August 2022 Poster + Paper

Optical on-board metrology in the Athena x-ray mission

Manuel Abreu, Alexandre Cabral, José Manuel Rebordão, Nuno Gonçalves, Sergio Mottini, João Costa Pinto, David Silva, José Afonso, Israel Matute, Davide Oddenino

Proceedings Volume 12181, 1218149 (2022) https://doi.org/10.1117/12.2630023

KEYWORDS: Mirrors, Sensors, Telescopes, Electronics, Metrology, Image sensors, X-rays

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Proceedings Article | 5 September 2019 Open Access

A new approach to climatology from space: laser occultation

S. Mottini, A. Loescher, M. Aguirre

Proceedings Volume 10565, 1056565 (2019) https://doi.org/10.1117/12.2552630

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Human activities have been identified as critical contributors to climate changes. Modern industrial development and increasing urbanisation have been affecting the environment at an unprecedented scale since the 19th century. In the two last decades the process has become even faster, also due to the impressive development of largely populated countries like India and China. Historical data records testify a direct correlation between increase in atmospheric CO₂ levels and Earth's temperatures but processes underlying climate regulation and changes are only partially known. The improvement of knowledge of atmosphere and climate processes needs the availability of complete and reliable data about atmospheric composition and properties and space-based observations play a primary role. Implementation of a demonstration mission based on an occultation technique at optical wavelengths is proposed. Observations in the infrared spectral range vest a particular importance because this band exhibits many absorptive spectral lines due to greenhouse gases, identified as the main responsible of global warming, thus H₂O, CO₂, CH₄, N₂O, O₃, and others can be observed with high accuracy. It is expected that the mission will demonstrate technical feasibility of an optical payload for limb sounding observations and provide useful inputs to climatic benchmarking (greenhouse gases and wind profile, as well as atmospheric thermodynamic properties). The identification and the preliminary definition of the instrument architecture and the identification of the critical technologies have been among the main tasks. Possible design options for the laser transmitter and the receiver are discussed, considering available technological solutions and technical constraints. Potential technological criticalities are illustrated too. The creation of performance models, analytical and numerical, facilitates and addresses the payload design activity, both at instrument level and at general system level.

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Proceedings Article | 12 July 2019 Open Access

Alignment procedure for the Gregorian telescope of the Metis coronagraph for the Solar Orbiter ESA mission

Vania Da Deppo, Sergio Mottini, Giampiero Naletto, Fabio Frassetto, Paola Zuppella, Mewael Sertsu, Marco Romoli, Silvano Fineschi, Ester Antonucci, Gianalfredo Nicolini, Piergiorgio Nicolosi, Daniele Spadaro, Vincenzo Andretta, Marco Castronuovo, Marta Casti, Gerardo Capobianco, Giuseppe Massone, Roberto Susino, Federico Landini, Maurizio Pancrazzi, Chiara Casini, Luca Teriaca, Michela Uslenghi

Proceedings Volume 11180, 1118076 (2019) https://doi.org/10.1117/12.2536177

KEYWORDS: Telescopes, Ultraviolet radiation, Sensors, Mirrors, Coronagraphy, Optical alignment, Ultraviolet telescopes, Polarimetry, Information operations, Alignment procedures

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Proceedings Article | 12 July 2019 Open Access

Laser metrology concept consolidation for NGGM

K. Nicklaus, S. Cesare, L. Massotti, L. Bonino, S. Mottini, M. Pisani, P. Silvestrin

Proceedings Volume 11180, 1118048 (2019) https://doi.org/10.1117/12.2536071

KEYWORDS: Space operations, Retroreflectors, Transponders, Satellites, Ranging, Interferometers, Reliability, Heterodyning, Diodes, Atomic layer deposition

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Proceedings Article | 21 November 2017 Open Access

Laser metrology for a next generation gravimetric mission

Sergio Mottini, Giorgio Biondetti, Stefano Cesare, Giuseppe Castorina, Fabio Musso, Marco Pisani, Bruno Leone

Proceedings Volume 10566, 105661U (2017) https://doi.org/10.1117/12.2308227

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Proceedings Article | 21 November 2017 Open Access

Laser metrology and optic active control system for GAIA

F. D'Angelo, L. Bonino, S. Cesare, G. Castorina, S. Mottini, F. Bertinetto, M. Bisi, E. Canuto, F. Musso

Proceedings Volume 10567, 105670N (2017) https://doi.org/10.1117/12.2308154

KEYWORDS: Mirrors, Metrology, Laser metrology, Control systems, Stars, Bragg cells, Optical resonators, Telescopes, Interferometers, Laser sources

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Proceedings Article | 25 September 2017 Open Access

A compact optical 5 degrees of freedom attitude sensor for space applications

M. Zucco, M. Pisani, S. Mottini

Proceedings Volume 10562, 105623I (2017) https://doi.org/10.1117/12.2296199

KEYWORDS: Sensors, Metrology, Distance measurement, Satellites, Head, Astronomical imaging, Space sensors, Mirrors, Laser metrology, Sensing systems

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Proceedings Article | 26 September 2013 Paper

The LAUE project and its main results

E. Virgilli, F. Frontera, V. Valsan, V. Liccardo, V. Carassiti, S. Squerzanti, M. Statera, M. Parise, S. Chiozzi, F. Evangelisti, E. Caroli, J. Stephen, N. Auricchio, S. Silvestri, A. Basili, F. Cassese, L. Recanatesi, V. Guidi, V. Bellucci, R. Camattari, C. Ferrari, A. Zappettini, E. Buffagni, E. Bonnini, M. Pecora, S. Mottini, B. Negri

Proceedings Volume 8861, 886107 (2013) https://doi.org/10.1117/12.2023593

KEYWORDS: Crystals, Collimators, Laser crystals, Sensors, Gallium arsenide, Gamma radiation, Germanium, X-rays, Prototyping, Photons

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Proceedings Article | 26 September 2013 Paper

Scientific prospects in soft gamma-ray astronomy enabled by the LAUE project

F. Frontera, E. Virgilli, V. Valsan, V. Liccardo, V. Carassiti, E. Caroli, F. Cassese, C. Ferrari, V. Guidi, S. Mottini, M. Pecora, B. Negri, L. Recanatesi, L. Amati, N. Auricchio, L. Bassani, R. Campana, R. Farinelli, C. Guidorzi, C. Labanti, R. Landi, A. Malizia, M. Orlandini, P. Rosati, V. Sguera, J. Stephen, L. Titarchuk

Proceedings Volume 8861, 886106 (2013) https://doi.org/10.1117/12.2023589

KEYWORDS: Crystals, Photons, X-rays, Gamma radiation, Lenses, Hard x-rays, Point spread functions, Telescopes, Gallium arsenide, Satellites

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Proceedings Article | 27 September 2012 Paper

Development status of the LAUE project

F. Frontera, E. Virgilli, V. Liccardo, V. Valsan, V. Carassiti, S. Chiozzi, F. Evangelisti, S. Squerzanti, M. Statera, V. Guidi, C. Ferrari, R. Zappettini, E. Caroli, N. Auricchio, S. Silvestri, R. Camattari, F. Cassese, L. Recanatesi, M. Pecora, S. Mottini, B. Negri

Proceedings Volume 8443, 84430B (2012) https://doi.org/10.1117/12.926378

KEYWORDS: Crystals, Gamma radiation, Lenses, Sensors, Laser crystals, X-rays, Collimators, Hard x-rays, Space telescopes, Astrophysics

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Proceedings Article | 12 October 2011 Paper

The LAUE project for broadband gamma-ray focusing lenses

E. Virgilli, F. Frontera, V. Valsan, V. Liccardo, E. Caroli, J. Stephen, F. Cassese, L. Recanatesi, M. Pecora, S. Mottini, P. Attiná, B. Negri

Proceedings Volume 8147, 81471C (2011) https://doi.org/10.1117/12.895236

KEYWORDS: Crystals, Gamma radiation, Photons, X-rays, Lenses, Telescopes, Space telescopes, Diffraction, Point spread functions, Monte Carlo methods

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Proceedings Article | 15 October 2005 Paper

PRIMA FSU: a fringe sensor unit for the VLTI

Sergio Mottini, Stefano Cesare, Gianalfredo Nicolini

Proceedings Volume 5962, 596222 (2005) https://doi.org/10.1117/12.624753

KEYWORDS: Sensors, Metrology, Stars, Beam splitters, Camera shutters, Manufacturing, Glasses, Cameras, Optical alignment, Retroreflectors

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Proceedings Article | 16 September 2004 Paper

End-to-end optomechanical simulation for high-precision global astrometry

Daniele Gardiol, Davide Loreggia, Sergio Mannu, Sergio Mottini, Luca Perachino, Mario Gai, Mario Lattanzi

Proceedings Volume 5497, (2004) https://doi.org/10.1117/12.550356

KEYWORDS: Mirrors, Telescopes, Thermal modeling, Thermography, Software development, Space telescopes, Interfaces, Device simulation, Stars, Geometrical optics

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Showing 5 of 13 publications

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