Results 61 to 70 of about 1,276 (131)

Advantages and Limitations of Fluorescence Lifetime Measurements Using Single-Photon Avalanche Diode (SPAD) Array Detector: A Comprehensive Theoretical and Experimental Study. [PDF]

Sensors (Basel), 2022
Netaev A, Schierbaum N, Seidl K.
europepmc   +1 more source

SPAD Smart Pixel for Time-of-Flight and Time-Correlated Single-Photon Counting Measurements

IEEE Photonics Journal, 2012
We present a smart pixel based on a single-photon avalanche diode (SPAD) for advanced time-of-flight (TOF) and time-correlated single photon counting (TCSPC) applications, fabricated in a cost-effective 0.35- m CMOS technology.
F. Villa, B. Markovic, S. Bellisai, D. Bronzi, A. Tosi, F. Zappa, S. Tisa, D. Durini, S. Weyers, U. Paschen, W. Brockherde   +10 more
doaj   +1 more source

Artifact Removal in Long-Range Single Photon LiDAR via Waveforms-Guided Depth Image Estimation

IEEE Photonics Journal
Single-photon light detection and ranging (LiDAR) has widespread applications due to the ultra-high sensitivity of the single-photon detector. However, the reconstruction has been plagued by multiple types of noise caused by crosstalk, dark counts, and ...
Jiying Chang, Jining Li, Rui Yu, Kai Chen, Yuye Wang, Kai Zhong, Degang Xu, Jianquan Yao   +7 more
doaj   +1 more source

Single-Photon Computational Imaging System Based on Multi-Pixel Photon Counter

Photonics
Existing single-photon computational imaging systems always combine single-photon avalanche diode (SPAD)/photomultiplier tube (PMT) and time-correlated single-photon counting (TCSPC) together to collect the signals for imaging.
Rui Sun, Jiaye Kuang, Yi Ding, Jingjing Cheng, Jibin Zhang, Yadong Wang, Ryszard Buczynski, Wenzhong Liu   +7 more
doaj   +1 more source

An Interface Circuit With Gain Automatic Adjustment for SPAD Arrays

IEEE Journal of the Electron Devices Society
In this paper, a gain automatic adjustment interface circuit is proposed for the non-uniform breakdown voltage of single-photon avalanche diode (SPAD) arrays caused by process and materials.
Lixia Zheng, Weiqi Yao, Suhui Zhang, Peikun Wang, Jin Wu, Weifeng Sun   +5 more
doaj   +1 more source

Reduction of afterpulse and dark count effects on SPAD detectors using processing methods

Results in Optics
Single-photon detector is a device that can detect fragile light signals such as photons. Noise is one of the major problems of Single-Photon Avalanche Diode (SPAD) in quantum communication and other applications.
Alireza Erfanian, Mahdi Rahmanpour, Mahdi Khaje, Ahmad Afifi, Mohammadhossein Fahimifar   +4 more
doaj   +1 more source

Single-photon imaging for 3D reflectivity and depth estimation in low-light conditions

Frontiers in Physics
Three-dimensional active imaging systems operating in photon-starved regimes have broad applications, including remote sensing, autonomous navigation, and military surveillance.
Yi Chen, Yi Chen, Yi Chen, Zhenyu Zhang, Liqiang Wang, Penghuan Liu, Yan Shi, Yan Shi   +7 more
doaj   +1 more source

A Simulation Method for Underwater SPAD Depth Imaging Datasets

Sensors
In recent years, underwater imaging and vision technologies have received widespread attention, and the removal of the backward-scattering interference caused by impurities in the water has become a long-term research focus for scholars.
Taoran Lu, Su Qiu, Hui Wang, Shihao Zhu, Weiqi Jin   +4 more
doaj   +1 more source

Comparative Analysis of Free-Running and Gating Imaging Modes of SPAD Sensors

Photonics
A single-photon avalanche diode (SPAD) is a photon-counting sensor renowned for its exceptional single-photon sensitivity. One significant feature of SPADs is their non-linear response to light, making them ideal for high-dynamic range imaging ...
Xin Sun, Hu Yan, Hongcun He, Xiangshun Kong, Chen Mao, Feng Yan   +5 more
doaj   +1 more source

Developing the Readout Electronics for a Custom 64 × 64 SPAD Array: From Single-Board Prototyping to FPGA Implementation Toward Stellar Intensity Interferometry. [PDF]

Sensors (Basel)
Quintana Á, González-de-Rivera G, López-Buedo S, Prada F.   +3 more
europepmc   +1 more source