K. Deslandes
A5025285514- Radiation Detection and Scintillator Technologies
- Atomic and Subatomic Physics Research
- Advanced Optical Sensing Technologies
- CCD and CMOS Imaging Sensors
- Dark Matter and Cosmic Phenomena
- Nuclear Physics and Applications
- Atmospheric Ozone and Climate
- Neutrino Physics Research
- Advanced X-ray and CT Imaging
- Radioactivity and Radon Measurements
- Radioactive contamination and transfer
Université de Sherbrooke
2020-2024
Lawrence Livermore National Laboratory
2023
Brookhaven National Laboratory
2021
Abstract A new trend in large area noble liquid experiments is to measure the scintillation light with photodetectors and their electronics inside active volume. Compared typical approach of using silicon photomultipliers (SiPM) an analog readout chain leading analog-to-digital converter, this paper presents a 3D photon-to-digital converter (PDC) that takes advantage binary nature single-photon avalanche diodes (SPAD). The contains 4096 pixels over 25 mm 2 , each including bonding pad...
Liquid xenon time projection chambers are promising detectors to search for neutrinoless double beta decay (0$\nu \beta \beta$), due their response uniformity, monolithic sensitive volume, scalability large target masses, and suitability extremely low background operations. The nEXO collaboration has designed a tonne-scale chamber that aims 0$\nu \beta$ of \ce{^{136}Xe} with projected half-life sensitivity $1.35\times 10^{28}$~yr. To reach this sensitivity, the design goal is $\leq$1\%...
Characterization of the vacuum ultraviolet (VUV) reflectance silicon photomultipliers (SiPMs) is important for large-scale SiPM-based photodetector systems. We report angular dependence specular in a SiPMs manufactured by Fondazionc Bruno Kessler (FBK) and Hamamatsu Photonics K.K. (HPK) over wavelengths ranging from 120 nm to 280 nm. Refractive index extinction coefficient thin silicon-dioxide film deposited on surface FBK are derived data wafer with same oxide as SiPMs. The diffuse also...
Silicon photomultipliers are regarded as a very promising technology for next-generation, cutting-edge detectors low-background experiments in particle physics. This work presents systematic reflectivity studies of Photomultipliers (SiPM) and other samples liquid xenon at vacuum ultraviolet (VUV) wavelengths. A dedicated setup the University Münster has been used that allows to acquire angle-resolved reflection measurements various immersed with 0.45° angular resolution. Four investigated...
The new trend in large area noble liquid experiments is to measure the scintillation light with photodetectors and their electronics inside active volume.Compared typical approach of using silicon photomultipliers (SiPM) analog readout chain an analog-todigital converter, this paper presents a 3D photon-to-digital converter (PDC) that takes advantage binary nature single-photon avalanche diode.The contains 4096 pixels over 25 mm 2 , each including bonding pad quenching circuit.The features...
For decades, fast neutron radiography performed using pulse-counting detectors employed PMTs coupled to plastic scintillator pixel arrays. SiPM-based systems are now sought replace fragile PMTs, but conventional, "analog" SiPMs suffer from intrinsic limitations which limit their achievable performance. Among these limitations, a complete analog readout and digitizer chain is required, counterintuitive approach when considering that the single-photon avalanche diode (SPAD), basic unit cell of...