Dr. Marco Barucci Profile

Dr. Marco Barucci

at Istituto Nazionale di Ottica

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Author

Publications (5)

Proceedings Article | 30 June 2015 Paper

Limewashed mural paintings as seen by VIS-IR reflectography

R. Fontana, J. Striova, M. Barucci, E. Pampaloni, M. Raffaelli, L. Pezzati, P. Mariotti

Proceedings Volume 9527, 95270Y (2015) https://doi.org/10.1117/12.2197995

KEYWORDS: Infrared imaging, Carbon, Iron, Visible radiation, Image processing, Near infrared, 3D image processing, Infrared radiation, Transparency, Composites

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Proceedings Article | 30 May 2013 Paper

A study of surface optical properties for characterizing the cleaning process of paintings

R. Fontana, M. Barucci, E. Pampaloni, L. Pezzati, C. Daffara

Proceedings Volume 8790, 87900O (2013) https://doi.org/10.1117/12.2020738

KEYWORDS: Confocal microscopy, Microscopes, Optical properties, Process control, Optical coherence tomography, Tomography, Image resolution, Superposition, Luminescence, Refractive index

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Proceedings Article | 21 June 2011 Paper

Autofocus laser system for multi-NIR scanning imaging of painting surfaces

R. Fontana, M. Barucci, P. Carcagnì, C. Daffara, E. Pampaloni, L. Pezzati

Proceedings Volume 8084, 808405 (2011) https://doi.org/10.1117/12.889487

KEYWORDS: Near infrared, Head, Scanners, 3D modeling, Imaging systems, Reflectivity, Diagnostics, Imaging spectroscopy, Composites, Infrared imaging

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Proceedings Article | 21 October 2004 Paper

Innovations in low-temperature calorimeters: surface sensitive bolometers for background rejection and capacitive bolometers for higher energy resolution

Samuele Sangiorgio, Marco Barucci, Luca Foggetta, Andrea Giuliani, Giancarlo Jug, Claudia Nones, Edoardo Pasca, Marisa Pedretti, Gianluigi Pessina, Lara Risegari, Emiliano Olivieri, Guglielmo Ventura

Proceedings Volume 5540, (2004) https://doi.org/10.1117/12.579846

KEYWORDS: Sensors, Bolometers, Germanium, Capacitors, Particles, Crystals, Dielectrics, Composites, Silicon, Phonons

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Proceedings Article | 20 January 2004 Paper

Large mass bolometers for neutrinoless double beta decay detection: model and last results

Marisa Pedretti, Marco Barucci, Andrea Giuliani, Edoardo Pasca, Lara Risegari, Emiliano Olivieri, Guglielmo Ventura

Proceedings Volume 5198, (2004) https://doi.org/10.1117/12.505231

KEYWORDS: Sensors, Bolometers, Crystals, Phonons, Thermal modeling, Particles, Temperature metrology, Electroluminescence, Tellurium, Gold

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Milano collaboration has been developing for many years large mass bolometers for particle detection, and in particular for the study of neutrinoless double beta decay of ¹³⁰Te. The active components of the detectors are large mass (340 g and 790 g) TeO₂ crystals, while Neutron Transmutation Doped Ge thermistors are used as phonon sensors. These devices work at low temperatures, about 5-10 mK. The mechanical and thermal connections of the detector to the thermal bath are made with PTFE pieces that hold the crystal on copper frames. Gold wires are used as electric connections. We have developed a complete thermal model for the bolometers and "ad hoc" measurements of the thermal parameters involved were performed in the Florence cryogenic laboratory. These studies have permitted to simulate the static and dynamic behaviours of the detectors. A satisfactory agreement between simulated and the experimental response has been obtained as far as the static behaviour is concerned, while the dynamic behaviour is not yet fully understood. These preliminary results however will enable us to design new detector structures in order to improve the signal-to-noise ratio and the reproducibility. Given the good performances of these devices (excellent energy resolutions were obtained, of the order of 2 keV at 911 keV and of 5 keV at 2615 keV), this technique is particularly suitable to detectors for gamma ray spectroscopy. Encouraged by this results, the Milano-Como group has joined a large international collaboration for the realization of CUORE (Cryogenic Underground Observatory for Rare Events), seraching for Dark Matter and neutrinoless Double Beta Decay, a crucial phenomenon for neutrino physics. The Cuoricino detector, a small scale test of CUORE detector, is an array of 62 large mass bolometers like those already described, and it is now in operation in the Gran Sasso undergrand laboratory (Italy). It is the largest array of bolometric detectors ever constructed.

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