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Showing 1 to 17 of 17 for “"Silicon photomultipliers"”.
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Characterization of silicon photomultipliers for radiation detection applications
Submission original under an indefinite embargo labeled 'Open Access'. The submission was exported from vireo on 2025-03-28 without embargo terms
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Silicon Photomultipliers as Free Space Optical Communication Sensors
… higher sensitivities may be achieved by using a Silicon photomultiplier (SiPM) as a receive optical sensor. SiPMs are arrays of APDs operated in Geiger mode, characterized by nanosecond output pulses and gains in the order of 106 electrons per photon. This thesis proposes using a SiPM in a 2x2 …
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Design and Characterization of Mixed-Signal ASICs for Silicon Photomultipliers
L'abstract è presente nell'allegato / the abstract is in the attachment
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Characterisation and calibration of silicon photomultipliers for next-generation space detectors
A vast range of applications for Silicon Photomultipliers (SiPMs) has already been found in fields such as medical science and industrial applications, to name a few. They are the new photosensors set to replace the traditional photomultipliers for several next-generation space instruments. Owing …
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Timing performance of FBK Silicon Photomultipliers for biomedical applications: ultimate time resolution and analysis of the avalanche build-up
L'abstract è presente nell'allegato / the abstract is in the attachment
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A novel high-efficiency SiPM-based system for Ps-TOF
… Positronium Time Of Flight is proposed, using Silicon Photomultipliers (SiPMs) instead of Photomultiplier Tubes. The solution allows us to dramatically increase the compactness of the set up, thus improving the efficiency of 240%. Different configurations of SiPM+scintillators are characterized …
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A new compact neutron spectrometer
… on EJ299-33 plastic scintillator coupled to silicon photomultipliers, and a digital implementation of pulse shape discrimination is used to separate events associated with neutrons from those associated with gamma-rays. The spectrometer is suitable over the neutron energy range 1 – 100 MeV, …
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A compact high-energy particle detector for low-cost deep space missions
… as the central processor and a 3x3 array of silicon photomultipliers coupled with an organic plastic scintillator as the detector. Using modern digital pulse shape discrimination and signal processing techniques, the scintillator and photomultiplier combination has been shown to accurately …
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Extreme universe space observatory on a super pressure balloon II fluorescence telescope on the ground and (briefly) in the air, The
… (POEMMA). The Cherenkov Telescope, utilizing silicon photomultipliers with a fast digitization, designed to detect Earth-skimming neutrinos of astrophysical origin, aimed to measure background signatures for such observations as well as high energy cosmic rays above the limb. The fluorescence …
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Performance characterization of functional fiber detectors: scintillating fibers with embedded photodiodes
… a limited number of fibers embedded with silicon photomultipliers (SiPMs) have been produced for study. The light attenuation length for each prototype of the functional fiber detectors is measured. In addition, the SiPMs used in this work have been carefully calibrated to obtain the …
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A Geant4 Simulation Study Of A Xenon-Doped Liquid Argon, Full-Body, Time-of-Flight Positron Emission Tomography Scanner To Understand Its Performance And Noise Profile
… 3Dπ is a Total-Body, TOF - PET scanner that uses Silicon Photomultipliers (SiPM) coupled with a Xenon-doped Liquid Argon (LAr+Xe) scintillator. This design was simulated using the Geant4 particle-matter monte carlo simulation tool-kit while following the National Electrical Manufacturers …
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CRYOGENIC DETECTION OF SCINTILLATION LIGHT WITH LARGE AREA SIPM ARRAYS FOR NEXT GENERATION NEUTRINO AND DARK MATTER EXPERIMENTS
… technology instead of copper cables. To bias silicon photomultipliers (SiPM) in such environment, a novel DC-DC boost converter working in cryogenics was designed. First, a proof-of-concept prototype was tested and characterized at liquid nitrogen temperature, then a full prototype integrated …
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Characterization of electroluminescence signals from nuclear recoil events in the dual-phase argon Time Projection Chamber of the Red experiment with Convolutional Autoencoders
… classify electroluminescence signals recorded by silicon photomultipliers at cryogenic temperatures. By leveraging machine learning, the CAE efficiently identified patterns in experimental data, offering a novel, data-driven approach to nuclear recoil event tagging. This thesis also evaluates the …
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Towards a precise measurement of the cosmic-ray positron fraction
… of 0.8T and a scintillating fibre tracker with silicon photomultiplier readout, it will allow reliable charge-sign and momentum measurements up to at least 100GeV. The enormous challenge of reliably identifying positrons in front of the vast proton background is tackled by a combination of two …
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Innovative Methods for LEO Particle Experiments]{Innovative Methods and Instrumentation for Low-Energy Particle Experiments in Low-Earth Orbit Space Mission Analysis and Hardware R&D across the NUSES, CSES-Limadou and SPaRKLE Projects
… range and protons in the 30–300 MeV range with a silicon-pixel tracker and calorimeter architecture, targeting the measurement of radiation-belt particle precipitation, solar energetic particle (SEP) events, and galactic cosmic-ray modulation over the solar cycle. My contributions included …
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Retrieving Information from Scattered Photons in Medical Imaging
In many medical imaging modalities, as photons travel from the emission source to the detector, they are scattered by the biological tissue. Often this scatter is viewed as a phenomenon that degrades image quality, and most research is focused on designing methods for either discarding the …
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Sviluppo di un nuovo approccio per la quantificazione in tempo reale dell'attività dei radiofarmaci.
La medicina nucleare è un ramo specializzato della medicina che si concentra sulla diagnosi e il trattamento delle malattie nei campi dell'oncologia, cardiologia e neurologia. Essa prevede l'amministrazione di un composto marcato con un radionuclide emettitore di raggi gamma o positroni nel corpo …