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Juan Mata Pavia

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A 30-frames/s, 252 x 144 SPAD Flash LiDAR With 1728 Dual-Clock 48.8-ps TDCs, and Pixel-Wise Integrated Histogramming

Edoardo Charbon, Ivan Michel Antolovic, Scott Anthony Lindner, Chunmin Zhang, Juan Mata Pavia, Martin Wolf

A 252 x 144 single-photon avalanche diode (SPAD) pixel sensor, called Ocelot, is reported for light detection and ranging (LiDAR). The sensor, fabricated in the 180-nm CMOS technology, features 1728 12-bit time-to-digital converters (TDCs) with 48.8-ps res ...

IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC2019

A Novel 32 x 32, 224 Mevents/s Time Resolved SPAD Image Sensor for Near-Infrared Optical Tomography

Edoardo Charbon, Scott Anthony Lindner, Ivan Michel Antolovic, Chunmin Zhang, Juan Mata Pavia, Martin Wolf, Jingjing Jiang

To increase the spatial resolution of near-infrared optical tomography, we successfully designed and tested a 32×32 time-resolved SPAD image sensor with unprecedented sensitivity in the near-infrared and fast image acquisition speed. ...

2018

Time Domain Near-Infrared Optical Tomography with Time-of-Flight SPAD Camera: The New Generation

Edoardo Charbon, Chunmin Zhang, Scott Anthony Lindner, Juan Mata Pavia, Martin Wolf, Jingjing Jiang

We present the first laboratory results of the new generation of time domain near-infrared optical tomography setup, which is based on a time-of-flight 32×32 SPAD camera with high photon detection probability in the NIR range. ...

2018

Near-Infrared Optical Tomography with Single-Photon Avalanche Diode Image Sensors

Juan Mata Pavia

In the past decades different methods based on magnetic resonance imaging (MRI) and positron emission tomography (PET) have been developed to image a variety of hemodynamic parameters in tissue. However, simultaneous high resolution imaging of oxy- and deo ...

EPFL2015

A 1 x 400 Backside-Illuminated SPAD Sensor With 49.7 ps Resolution, 30 pJ/Sample TDCs Fabricated in 3D CMOS Technology for Near-Infrared Optical Tomography

Edoardo Charbon, Scott Anthony Lindner, Juan Mata Pavia, Martin Wolf

A 1 x 400 array of backside-illuminated SPADs fabricated in 130 nm 3D IC CMOS technology is presented. Sensing is performed in the top tier substrate and time-to-digital conversion in the bottom tier. Clusters of eight pixels are connected to a winner-take ...

Ieee-Inst Electrical Electronics Engineers Inc2015

Single-Photon Avalanche Diode Imagers Applied to Near-Infrared Imaging

Edoardo Charbon, Juan Mata Pavia, Martin Wolf

Single-photon avalanche diodes (SPADs) can be integrated into large pixel arrays. The aim of this paper is to present a view on how these imagers change the paradigm of wide-field near-infrared imaging (NIRI). Thanks to the large number of pixels that they ...

Ieee-Inst Electrical Electronics Engineers Inc2014

Measurement and modeling of microlenses fabricated on single-photon avalanche diode arrays for fill factor recovery

Edoardo Charbon, Juan Mata Pavia, Martin Wolf

Single-photon avalanche diode (SPAD) imagers typically have a relatively low fil factor, i.e. a low proportion of the pixel's surface is light sensitive, due to in-pixel circuitry. We present a microlens array fabricated on a 128x128 single-photon avalanch ...

Optical Soc Amer2014

3D near-infrared imaging based on a single-photon avalanche diode array sensor: A new perspective on reconstruction algorithms

Edoardo Charbon, Juan Mata Pavia, Bastien Wolf

Recently, we demonstrated the potential of single-photon i magers in diffuse optical tomography (DOT). We present the advances of a new algorithm based on optical setups using this kind of sensors. ...

2012

3D near-infrared imaging based on a single-photon avalanche diode array sensor

Edoardo Charbon, Juan Mata Pavia, Martin Wolf

Near-infrared light can be used to determine the optical properties (absorption and scattering) of human tissue. Optical tomography uses this principle to image the internal structure of parts of the body by measuring the light that is scattered in the tis ...

2012

3D Near-infrared Imaging based on a Single-photon Avalanche Diode Array Sensor

Edoardo Charbon, Cristiano Niclass, Matthias Wolf, Claudio Favi, Juan Mata Pavia

A new imager for 3D near-infrared imaging has been designed based on a single-photon avalanche diode (SPAD) imager with 128x128 pixels capable of performing time-resolved measurements with a resolution of 97ps. The imager linearity has been improved to mak ...

2011

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3D near-infrared imaging based on a single-photon avalanche diode array sensor: A new perspective on reconstruction algorithms

Edoardo Charbon, Juan Mata Pavia, Bastien Wolf

2012

Measurement and modeling of microlenses fabricated on single-photon avalanche diode arrays for fill factor recovery

Edoardo Charbon, Juan Mata Pavia, Martin Wolf

Optical Soc Amer2014

3D near-infrared imaging based on a single-photon avalanche diode array sensor

Edoardo Charbon, Juan Mata Pavia, Martin Wolf

2012

A 1 x 400 Backside-Illuminated SPAD Sensor With 49.7 ps Resolution, 30 pJ/Sample TDCs Fabricated in 3D CMOS Technology for Near-Infrared Optical Tomography

Edoardo Charbon, Scott Anthony Lindner, Juan Mata Pavia, Martin Wolf

Ieee-Inst Electrical Electronics Engineers Inc2015