Search Results - "Pittet, Patrick"
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Shallow Trench Isolation Patterning to Improve Photon Detection Probability of Single-Photon Avalanche Diodes Integrated in FD-SOI CMOS Technology
Published in Photonics (01-06-2024)“…The integration of Single-Photon Avalanche Diodes (SPADs) in CMOS Fully Depleted Silicon-On-Insulator (FD-SOI) technology under a buried oxide (BOX) layer and…”
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Nanocomposite Carbon-PDMS Material for Chip-Based Electrochemical Detection
Published in Electroanalysis (New York, N.Y.) (01-02-2011)“…This paper presents an alternative approach to create low‐cost and patternable carbon electrodes suitable for microfluidic devices. The fabrication and the…”
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PL characterization of GaN scintillator for radioluminescence-based dosimetry
Published in Optical materials (01-08-2009)“…Via photoluminescence (PL) measurements, we have investigated GaN (which is a widely employed material in optoelectronics) to be used as scintillator for…”
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Journal Article Conference Proceeding -
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1094: A New Detector Based on Heterogeneous Cavities for Spatially Microfractionated Radiation Therapy
Published in Radiotherapy and oncology (01-05-2024)Get full text
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A tomographic reconstruction algorithm for cross-sectional imaging of IMRT beams from six projections
Published in Physics in medicine & biology (26-04-2023)“… Patient-specific Quality Assurance (QA) measurements are of key importance in radiotherapy for safe and efficient treatment delivery and allow early…”
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Novel concept of a low-power high-volume microfluidic actuator: theory of operation and experimental characterization
Published in Sensors and actuators. A. Physical. (01-06-2019)“…[Display omitted] •New concept of liquid actuator based on a slack deformable metallized membrane.•Expectation of an increase of gap/thickness gain (>X100) in…”
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Journal Article Book Review -
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A novel QA phantom based on scintillating fiber ribbons with implementation of 2D dose tomography for small‐field radiotherapy
Published in Medical physics (Lancaster) (01-01-2023)“…Purpose To develop a novel instrument for real‐time quality assurance (QA) procedures in radiotherapy. The system implements a scintillation‐based phantom and…”
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Analytic modeling of breakdown voltage shift in the CMOS buried multiple junction detector
Published in Solid-state electronics (01-02-2020)“…•Breakdown voltage shifting in multiple junction detectors is analytically modeled.•Model validation is based on TCAD simulations and measurements.•Junction…”
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Indirect avalanche event detection of Single Photon Avalanche Diode implemented in CMOS FDSOI technology
Published in Solid-state electronics (01-01-2020)“…•The concept of SPAD implemented in FDSOI technology is an original approach for a native 3D pixel.•The authors present the first demonstration of indirect…”
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Modeling of the Buried Multiple Junction (BMJ) Detector in Reach-Through (RT) Conditions
Published in IEEE sensors journal (15-04-2021)“…A physically-based model of the Buried Multiple Junction (BMJ) detector has been established with consideration of the device operation in reach-through (RT)…”
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STI patterning to improve FSI PDP of SPAD integrated in FD-SOI CMOS technology
Published in Photonics (01-06-2024)“…The integration of Single-Photon Avalanche Diodes (SPADs) in CMOS Fully Depleted Silicon-On-Insulator (FD-SOI) technology under a buried oxide (BOX) layer and…”
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Journal Article -
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Geometric tomography for measuring rectangular radiotherapy fields from six projections
Published in 2019 IEEE Nuclear Science Symposium and Medical Imaging Conference (NSS/MIC) (01-10-2019)“…Quality assurance (QA) of x-ray radiotherapy is crucial but the dosimetry of small fields is still a challenge. We are investigating the use of scintillating…”
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Conference Proceeding -
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Gynecological applicator instrumented with GaN dosimetric probes for HDR brachytherapy
Published in Radiation measurements (01-11-2017)Get full text
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A CMOS Buried Quad p-n Junction Photodetector Model
Published in IEEE sensors journal (15-03-2016)“…A buried quad junction (BQJ) photodetector has been designed and fabricated with a high-voltage CMOS process. It implements four vertically stacked p-n…”
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CMOS buried quad p-n junction photodetector for multi-wavelength analysis
Published in Optics express (30-01-2012)“…This paper presents a buried quad p-n junction (BQJ) photodetector fabricated with a HV (high-voltage) CMOS process. Multiple buried junction photodetectors…”
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Implementation and validation of a fluence pencil kernels model for GaN-based dosimetry in photon beam radiotherapy
Published in Physics in medicine & biology (07-10-2013)“…Gallium nitride (GaN), a direct-gap semiconductor that is radioluminescent, can be used as a transducer yielding a high signal from a small detecting volume…”
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CMOS BQJ detector chip with integrated charge-amplifiers for fluorescence measurements
Published in Sensors and actuators. B, Chemical (01-01-2014)“…A CMOS buried quad-junction (BQJ) photodetector chip was designed for quantitative analysis in multi-labeling fluorescence detection applications. The chip…”
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Modeling of the Buried Multiple Junction (BMJ) Detector in Reach-Through (RT) Condition
Published in 2019 IEEE SENSORS (01-10-2019)“…A physically-based model is proposed to describe the Buried Multiple Junction (BMJ) detector operated in high-voltage conditions. There is a breakdown voltage…”
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Conference Proceeding -
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A charge-sensitive amplifier associated with APD or PMT for 511 keV, photon-pair detection
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (21-01-2010)“…For positron emission tomography scanners requiring 511 keV two-photon detection, we present a charge-sensitive amplifier (CSA) to be associated with an…”
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Journal Article -
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Low power, high resolution CMOS variable-delay element
Published in International journal of electronics and communications (01-06-2012)“…This letter proposes a novel CMOS variable-delay element (VDE). It employs a RC-based differentiator to control the pMOS transistor of a CMOS inverter, whose…”
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