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Optimizacija čitalnega sistema za karakterizacijo silicijevih fotopomnoževalk
ID Dagarin, Miha (Author), ID Pestotnik, Rok (Mentor) More about this mentor... This link opens in a new window

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Abstract
Za detekcijo svetlobe v eksperimentih visokoenergijske fizike potrebujemo senzorje, ki so sposobni zaznavati posamezne fotone z velikim izkoristkom in časovno ločljivostjo. Ena od možnosti so silicijeve fotopomnoževalke, ki pa v okoljih z močno sevalno obremenitvijo zaradi poškodb v kristalni strukturi materiala čedalje slabše delujejo. V tej magistrski nalogi sem želel vzpostaviti merilni sistem za določanje časovne ločljivosti silicijevih fotopomnoževalk za potencialno primerjavo rezultatov med sevalnimi eksperimenti. Pri tem so pomembne elektronske komponente uporabljene pri oblikovanju signala fotonov. Primerjal sem različne ojačevalce signala in obliko njihovih izhodnih signalov. Sistem omogoča časovno ločljivost silicijevih fotopomnoževalk pri različnih napajalnih napetostih. Med delom sem optimiziral in ocenil prispevke k napaki meritev.

Language:Slovenian
Keywords:silicijeve fotopomnoževalke, polprevodniški detektorji, posamezni fotoni, ojačevalci, časovna ločljivost
Work type:Master's thesis/paper
Typology:2.09 - Master's Thesis
Organization:FMF - Faculty of Mathematics and Physics
Year:2024
PID:20.500.12556/RUL-161877 This link opens in a new window
COBISS.SI-ID:207873027 This link opens in a new window
Publication date in RUL:15.09.2024
Views:141
Downloads:37
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Secondary language

Language:English
Title:Optimization of the readout system for characterization of silicon photomultipliers
Abstract:
For detection of light in high-energy physics experiments, we need sensors capable of detecting individual photos with high efficiency and time resolution. One possibility are silicon photomultipliers, but in strongly irradiated environments their performance decreases due to damage in the crystal structure. In this master's thesis, I wanted to prepare a measurement system for determining the time resolution of silicon photomultipliers for potential future radiation experiments. It is important which electronic components are used to form the photon signal. I compared different signal amplifiers and their output signal shapes. The system is able to measure time resolution of silicon photomultipliers at different supply voltages. During the work, I optimized and evaluated the contributions to the measurement error.

Keywords:silicon photomultipliers, semiconductor detectors, single photons, amplifiers, time resolution

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