Single-photon avalanche diode imagers in biophotonics: review and outlook
Single-photon avalanche diode (SPAD) arrays are solid-state detectors that offer imaging
capabilities at the level of individual photons, with unparalleled photon counting and time …
capabilities at the level of individual photons, with unparalleled photon counting and time …
A megapixel time-gated SPAD image sensor for 2D and 3D imaging applications
We present the first 1Mpixel SPAD camera ever reported. The camera features 3.8 ns time
gating and 24kfps frame rate; it was fabricated in 180nm CIS technology. Two pixels have …
gating and 24kfps frame rate; it was fabricated in 180nm CIS technology. Two pixels have …
A 512× 512 SPAD image sensor with integrated gating for widefield FLIM
In this paper, we report on SwissSPAD2, an image sensor with 512× 512 photon-counting
pixels, each comprising a single-photon avalanche diode (SPAD), a 1-b memory, and a …
pixels, each comprising a single-photon avalanche diode (SPAD), a 1-b memory, and a …
Challenges and prospects for multi-chip microlens imprints on front-side illuminated SPAD imagers
The overall sensitivity of frontside-illuminated, silicon single-photon avalanche diode
(SPAD) arrays has often suffered from fill factor limitations. The fill factor loss can however …
(SPAD) arrays has often suffered from fill factor limitations. The fill factor loss can however …
A Time Correlated SPAD Image Sensor in 40-nm CMOS Technology
RK Henderson, N Johnston… - IEEE Journal of Solid …, 2019 - ieeexplore.ieee.org
A pixel single photon avalanche diode (SPAD) time-resolved single photon counting
(TCSPC) image sensor is implemented in STMicroelectronics 40-nm CMOS technology. The …
(TCSPC) image sensor is implemented in STMicroelectronics 40-nm CMOS technology. The …
Three-dimensional imaging of stationary and moving targets in turbid underwater environments using a single-photon detector array
Three-dimensional imaging in underwater environments was investigated using a
picosecond resolution silicon single-photon avalanche diode (SPAD) detector array …
picosecond resolution silicon single-photon avalanche diode (SPAD) detector array …
Numerical model of spad-based direct time-of-flight flash lidar CMOS image sensors
We present a Montecarlo simulator developed in Matlab® for the analysis of a Single Photon
Avalanche Diode (SPAD)-based Complementary Metal-Oxide Semiconductor (CMOS) flash …
Avalanche Diode (SPAD)-based Complementary Metal-Oxide Semiconductor (CMOS) flash …
3D printing of a PDMS cylindrical microlens array with 100% fill-factor
H Zhang, T Qi, X Zhu, L Zhou, Z Li… - … Applied Materials & …, 2021 - ACS Publications
Cylindrical microlens arrays (CMLAs) play a key role in many optoelectronic devices, and
100% fill-factor CMLAs also have the advantage of improving the signal-to-noise ratio and …
100% fill-factor CMLAs also have the advantage of improving the signal-to-noise ratio and …
Dynamic range extension for photon counting arrays
Confocal microscopes use photomultiplier tubes and hybrid detectors due to their large
dynamic range, which typically exceeds the one of single-photon avalanche diodes …
dynamic range, which typically exceeds the one of single-photon avalanche diodes …
High fill-factor miniaturized SPAD arrays with a guard-ring-sharing technique
We present a novel guard-ring-sharing technique to push the limit of SPAD pixel
miniaturization, and to demonstrate the operation of SPAD arrays with a 2.2 µm-pitch, the …
miniaturization, and to demonstrate the operation of SPAD arrays with a 2.2 µm-pitch, the …