User profiles for Réjean Fontaine

Réjean Fontaine

Université de Sherbrooke
Verified email at usherbrooke.ca
Cited by 3921

Performance evaluation of the LabPET APD-based digital PET scanner

…, JP Norenberg, R Fontaine… - … on Nuclear Science, 2009 - ieeexplore.ieee.org
The LabPETtrade is a fully digital avalanche photodiode (APD) based PET scanner designed
for state-of-the-art molecular and genomic imaging of small animals. Two versions of the …

The hardware and signal processing architecture of LabPET™, a small animal APD-based digital PET scanner

R Fontaine, F Bélanger, N Viscogliosi… - … on Nuclear Science, 2009 - ieeexplore.ieee.org
The highly multiplexed analog processing front-end of current Positron Emission Tomography
(PET) scanners yields high accuracy for timing but adds significant dead time and offers …

[HTML][HTML] Quenching circuit and SPAD integrated in CMOS 65 nm with 7.8 ps FWHM single photon timing resolution

…, N Roy, MO Mercier, SA Charlebois, R Fontaine… - Instruments, 2018 - mdpi.com
This paper presents a new quenching circuit (QC) and single photon avalanche diode (SPAD)
implemented in TSMC CMOS 65 nm technology. The QC was optimized for single photon …

Architecture of a dual-modality, high-resolution, fully digital positron emission tomography/computed tomography (PET/CT) scanner for small animal imaging

R Fontaine, F Bélanger, J Cadorette… - … on Nuclear Science, 2005 - ieeexplore.ieee.org
Contemporary positron emission tomography (PET) scanners are commonly implemented
with very large scale integration analog front-end electronics to reduce power consumption, …

Temporal lobe abnormalities in panic disorder: an MRI study

R Fontaine, G Breton, R Déry, S Fontaine, R Elie - Biological psychiatry, 1990 - Elsevier
Brain mapping studies have shown abnormal changes in cerebral blood volume and oxygen
consumption, or other neurophysiological abnormalities, in panic disorder (PD) patients. …

LabPET II, an APD-based detector module with PET and counting CT imaging capabilities

…, H Dautet, P Deschamps, R Fontaine… - … on Nuclear Science, 2015 - ieeexplore.ieee.org
Computed tomography (CT) is currently the standard modality to provide anatomical reference
for positron emission tomography (PET) in molecular imaging applications. Since both …

Imaging performance of LabPET APD-based digital PET scanners for pre-clinical research

…, JF Beaudoin, JD Leroux, R Fontaine… - Physics in Medicine …, 2014 - iopscience.iop.org
The LabPET is an avalanche photodiode (APD) based digital PET scanner with quasi-individual
detector read-out and highly parallel electronic architecture for high-performance in vivo …

[HTML][HTML] 3D photon-to-digital converter for radiation instrumentation: Motivation and future works

…, T Rossignol, K Deslandes, H Dautet, R Fontaine… - Sensors, 2021 - mdpi.com
Analog and digital SiPMs have revolutionized the field of radiation instrumentation by replacing
both avalanche photodiodes and photomultiplier tubes in many applications. However, …

Clomipramine hydrochloride in childhood and adolescent obsessive-compulsive disorder—a multicenter trial

…, J Biederman, D CANTWELL, R Fontaine… - Journal of the American …, 1992 - Elsevier
Children and adolescents with obsessive compulsive disorder were studied in an 8-week,
multicenter, double-blind, parallel groups trial of clomipramine hydrochloride (CMI) versus …

DOI estimation through signal arrival time distribution: a theoretical description including proof of concept measurements

…, FC Lemyre, E Auffray, R Fontaine… - Physics in Medicine …, 2021 - iopscience.iop.org
The challenge to reach 10 ps coincidence time resolution (CTR) in time-of-flight positron
emission tomography (TOF-PET) is triggering major efforts worldwide, but timing improvements …