Fast fluorescence lifetime imaging techniques: A review on challenge and development

X Liu, D Lin, W Becker, J Niu, B Yu, L Liu… - Journal of Innovative …, 2019 - World Scientific
Fluorescence lifetime imaging microscopy (FLIM) is increasingly used in biomedicine,
material science, chemistry, and other related research fields, because of its advantages of …

A dual-mode 303-megaframes-per-second charge-domain time-compressive computational CMOS image sensor

K Kagawa, M Horio, AN Pham, T Ibrahim, S Okihara… - Sensors, 2022 - mdpi.com
An ultra-high-speed computational CMOS image sensor with a burst frame rate of 303
megaframes per second, which is the fastest among the solid-state image sensors, to our …

An 8-tap CMOS lock-in pixel image sensor for short-pulse time-of-flight measurements

Y Shirakawa, K Yasutomi, K Kagawa, S Aoyama… - Sensors, 2020 - mdpi.com
An 8-tap CMOS lock-in pixel image sensor that has seven carrier-capturing and a draining
time window was developed for short-pulse time-of-flight (TOF) measurements. The …

Over 100 million frames per second 368 frames global shutter burst CMOS image sensor with pixel-wise trench capacitor memory array

M Suzuki, Y Sugama, R Kuroda, S Sugawa - Sensors, 2020 - mdpi.com
In this paper, a prototype ultra-high speed global shutter complementary metal-oxide-
semiconductor (CMOS) image sensor with pixel-wise trench capacitor memory array …

A Sub-100 m-Range-Resolution Time-of-Flight Range Image Sensor With Three-Tap Lock-In Pixels, Non-Overlapping Gate Clock, and Reference Plane Sampling

K Yasutomi, Y Okura, K Kagawa… - IEEE Journal of Solid …, 2019 - ieeexplore.ieee.org
This paper aims to propose a time-of-flight (TOF) range imager with high range resolution in
the sub-100 μm range. The range imager employs a TOF measurement technique that uses …

Fluoroimmunoassay of influenza virus using sulfur-doped graphitic carbon nitride quantum dots coupled with Ag2S nanocrystals

OJ Achadu, DX Lioe, K Kagawa, S Kawahito, EY Park - Microchimica Acta, 2020 - Springer
Novel sulfur-doped graphitic carbon nitride quantum dots (S-gCNQDs) are synthesized
using a single-source precursor in a one-step solvothermal process. The S-gCNQDs with a …

Lock-in pixel based time-of-flight range imagers: an overview

K Yasutomi, S Kawahito - IEICE Transactions on Electronics, 2022 - search.ieice.org
Time-of-flight (TOF) range imaging is a promising technology for various applications such
as touchless control, augmented reality interface, and automotive. The TOF range imagers …

A 30-fps 192× 192 CMOS image sensor with per-frame spatial-temporal coded exposure for compressive focal-stack depth sensing

Y Luo, S Mirabbasi - IEEE Journal of Solid-State Circuits, 2022 - ieeexplore.ieee.org
In this article, we present a CMOS image sensor (CIS) for coded-exposure-based
compressive focal-stack imaging. The proposed CIS has a pixel design, which includes two …

Experimental verification of the impact of analog CMS on CIS readout noise

R Capoccia, A Boukhayma… - IEEE Transactions on …, 2019 - ieeexplore.ieee.org
In this article, the impact of the combination of the column-level gain and the correlated
multiple sampling (CMS) on the noise of CMOS image sensor (CIS) readout chains is first …

Towards real-time wide-field fluorescence lifetime imaging of 5-ALA labeled brain tumors with multi-tap CMOS cameras

D Reichert, MT Erkkilä, G Holst… - Biomedical Optics …, 2020 - opg.optica.org
Fluorescence guided neurosurgery based on 5-aminolevulinic acid (5-ALA) has significantly
increased maximal safe resections. Fluorescence lifetime imaging (FLIM) of 5-ALA could …