Results 21 to 30 of about 39,722 (293)
Scientific Reports, 2021 Conventional two-photon microscopes use photomultiplier tubes, which enable high sensitivity but can detect relatively few photons per second, forcing longer pixel integration times and limiting maximum imaging rates.
Vincent D. Ching-Roa +4 more
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, 1999 photomultiplier tubes. A device to convert light into an electric signal (the name is often abbreviated to PM). Photomultipliers are used in all detectors based on scintillating material (i.e. based on large numbers of fibres which produce scintillation
core +5 more sources
Measurement of hydrodynamic flow velocity by laser Doppler anemometer with different types of photodetectors [PDF]
EPJ Web of ConferencesThe potential applications of three distinct photodetector types in laser Doppler anemometers for the measurement of hydrodynamic flow pulsations have been investigated. Laser Doppler anemometers with a classical vacuum photomultiplier tube, a multipixel
Rakhmanov Vitaly +3 more
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The telecover test: A quality assurance tool for the optical part of a lidar system [PDF]
, 2008 A test is described, which serves as a self-check of the optical part of a lidar system. Several lidar signals using different parts of the lidar telescope are compared.
Freudenthaler, Volker
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EJNMMI Physics, 2021 Background A novel generation of PET scanners based on silicon (Si)-photomultiplier (PM) technology has recently been introduced. Concurrently, there has been development of new reconstruction methods aimed at increasing the detectability of small ...
Jenny Oddstig +3 more
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Statistical Analysis of Silicon Photomultiplier Output Signals
Sensors, 2022 Silicon photomultipliers are relatively new devices designed as a matrix of single-photon avalanche detectors, which have become popular for their miniature dimensions and low operating voltage.
Zdenek Kolka +2 more
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Development of an Ultra-Fast Photomultiplier Tube With Pulse-Dilation Technology
IEEE Access, 2020 A pulse dilation photomultiplier tube (PD-PMT) has been developed. The photoelectrons energy is modulated by a time-dependent electric field between photocathode and ground mesh.
Wenyong Fu +8 more
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Photomultiplier characterisation and its impact on background for SABRE South
SciPost Physics Proceedings, 2023 SABRE (Sodium iodide with Active Background REjection) South is a NaI(Tl) based dark matter direct detection experiment located at the Stawell Underground Physics Laboratory (SUPL) [J. Phys. Conf. Ser. 2156, 012064 (2021), arXiv:2205.13849].
William J. D. Melbourne, Owen Stanley, Phillip Urquijo, Madeleine J. Zurowski
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Stability of Characteristics of Physical Random Number Generators
Доклады Белорусского государственного университета информатики и радиоэлектроники, 2023 The development of technologies leads to the need of revising the methods used to obtain cryptographic keys. The randomness parameters of sequences generated by physical random sequence generators are affected by the physical parameters of the recording ...
M. O. Pikuza +2 more
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SensorsDetecting extremely low light signals is the basis of many scientific experiments and measurement techniques. For many years, a high-voltage photomultiplier has been the only practical device used in the visible and infrared spectral range. However, such
Piotr Sobotka +6 more
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