Performance of Active-Quenching SPAD Array Based on the Tri-State Gates of FPGA and Packaged with Bare Chip Stacking [PDF]
Sensors, 2023 The performance of an active-quenching single-photon avalanche diode (SPAD) array that is based on the tri-state gates of a field programmable gate array (FPGA) is presented.
Liangliang Liu +6 more
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Advantages and Limitations of Fluorescence Lifetime Measurements Using Single-Photon Avalanche Diode (SPAD) Array Detector: A Comprehensive Theoretical and Experimental Study [PDF]
Sensors, 2022 Fast fluorescence lifetime (FL) determination is a major factor for studying dynamic processes. To achieve a required precision and accuracy a certain number of photon counts must be detected.
Alexander Netaev +2 more
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First-Arrival Differential Counting for SPAD Array Design [PDF]
Sensors, 2023 We present a novel architecture for the design of single-photon detecting arrays that captures relative intensity or timing information from a scene, rather than absolute. The proposed method for capturing relative information between pixels or groups of
Mel White +5 more
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Confocal-based fluorescence fluctuation spectroscopy with a SPAD array detector [PDF]
Light: Science & Applications, 2021 The combination of confocal laser-scanning microscopy (CLSM) and fluorescence fluctuation spectroscopy (FFS) is a powerful tool in studying fast, sub-resolution biomolecular processes in living cells.
Eli Slenders +7 more
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Cooled SPAD array detector for low light-dose fluorescence laser scanning microscopy [PDF]
Biophysical Reports, 2021 The single-photon timing and sensitivity performance and the imaging ability of asynchronous-readout single-photon avalanche diode (SPAD) array detectors have opened up enormous perspectives in fluorescence (lifetime) laser scanning microscopy (FLSM ...
Eli Slenders +11 more
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Design and Characterization of an Asynchronous Fixed Priority Tree Arbiter for SPAD Array Readout [PDF]
Sensors, 2021 The usage of single-photon avalanche diode arrays is becoming increasingly common in various domains such as medical imaging, automotive vision systems, and optical communications. Nowadays, thanks to the development of microelectronics technologies, the
Enagnon Aguénounon +8 more
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Sub-Pixel Scanning High-Resolution Panoramic 3D Imaging Based on a SPAD Array
IEEE Photonics Journal, 2021 3D imaging based on single-photon avalanche diode (SPAD) arrays is of interest in many applications. Limited by the small array size and low fill-factor of the available SPAD array, it is difficult for SPAD array-based lidars to achieve high-resolution ...
Ruikai Xue +4 more
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IEEE Access, 2021 The first signal model for a single photon avalanche diode (SPAD)-array communication receiver for multilevel modulation schemes is reported. This paper proposes a novel, generalised SPAD array signal and noise model for both digital and analogue ...
Xiaodao Meng +3 more
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A 72 × 60 Angle-Sensitive SPAD Imaging Array for Lens-less FLIM
Sensors, 2016 We present a 72 × 60, angle-sensitive single photon avalanche diode (A-SPAD) array for lens-less 3D fluorescence lifetime imaging. An A-SPAD pixel consists of (1) a SPAD to provide precise photon arrival time where a time-resolved operation is utilized ...
Changhyuk Lee +3 more
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Demonstration of particle tracking with scintillating fibres read out by a SPAD array sensor and application as a neutrino active target [PDF]
European Physical Journal C: Particles and FieldsScintillating fibre detectors combine sub-mm resolution particle tracking, precise measurements of the particle stopping power and sub-ns time resolution. Typically, fibres are read out with silicon photomultipliers (SiPM).
Matthew Franks +11 more
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