Zobrazeno 1 - 10
of 18 956
pro vyhledávání: '"photomultiplier"'
Publikováno v:
CT Lilun yu yingyong yanjiu, Vol 33, Iss 4, Pp 421-432 (2024)
In recent years, silicon photomultipliers (SiPMs) have emerged as preferred photoelectric conversion devices in positron emission tomography (PET) due to their outstanding performance. SiPMs possess single-photon resolution capability and time resolu
Externí odkaz:
https://doaj.org/article/0008b26d5b97475ab52a5bfb31996d72
Autor:
LIU Huiyin, YANG Jie, HUANG Chang, TANG Bin, ZHOU Shihui, CAI Xiaojie, WANG Xiuku, ZENG Lixin, YUE Xiuping, CHEN Shaojia, XU Hong, GUO Dawei, CHEN Xu, SUN Zhijia
Publikováno v:
He jishu, Vol 47, Iss 2, Pp 66-75 (2024)
BackgroundThe very small-angle neutron scattering (VSANS) spectrometer is currently being constructed at the China spallation neutron source (CSNS). The neutron detector plays a key role in meeting the detection requirements of the spectrometer.Purpo
Externí odkaz:
https://doaj.org/article/13fbdd2337a246ba81fe5e8eb3c8f641
Publikováno v:
Nuclear Technology and Radiation Protection, Vol 39, Iss 1, Pp 29-36 (2024)
Real-time detection of X/gamma radiation dose rates holds particular significance in nuclear science research. In this study, we developed a portable X/gamma-ray survey meter for large-scale distributed real-time monitoring of ambient dose equivalen
Externí odkaz:
https://doaj.org/article/f0d213a1cf66441d84e5d4fe4e4dd2b0
Autor:
Samuel Parent, Frederic Vachon, Valerie Gauthier, Steve Lamoureux, Alexandre Paquette, Jacob Deschamps, Tommy Rossignol, Nicolas Roy, Philippe Arsenault, Henri Dautet, Serge A. Charlebois, Jean-Francois Pratte
Publikováno v:
IEEE Journal of the Electron Devices Society, Vol 12, Pp 127-137 (2024)
When developing a technology based on single-photon avalanche diodes (SPADs), the SPAD characterization is mandatory to debug, optimize and monitor the microfabrication process. This is especially true for the development of SPAD arrays 3D integrated
Externí odkaz:
https://doaj.org/article/227b16494c96405e875220c6e2c1c4e0
Publikováno v:
Advanced Robotics. Jul2018, Vol. 32 Issue 13, p683-696. 14p.
Autor:
Simona Bartocci, Roberto Battiston, Stefania Beolè, Franco Benotto, Piero Cipollone, Silvia Coli, Andrea Contin, Marco Cristoforetti, Cinzia De Donato, Cristian De Santis, Andrea Di Luca, Floarea Dumitrache, Francesco Maria Follega, Simone Garrafa Botta, Giuseppe Gebbia, Roberto Iuppa, Alessandro Lega, Mauro Lolli, Giuseppe Masciantonio, Matteo Mergè, Marco Mese, Riccardo Nicolaidis, Francesco Nozzoli, Alberto Oliva, Giuseppe Osteria, Francesco Palma, Federico Palmonari, Beatrice Panico, Stefania Perciballi, Francesco Perfetto, Piergiorgio Picozza, Michele Pozzato, Ester Ricci, Marco Ricci, Sergio Bruno Ricciarini, Zouleikha Sahnoun, Umberto Savino, Valentina Scotti, Enrico Serra, Alessandro Sotgiu, Roberta Sparvoli, Pietro Ubertini, Veronica Vilona, Simona Zoffoli, Paolo Zuccon
Publikováno v:
Remote Sensing, Vol 16, Iss 21, p 3982 (2024)
The High-Energy Particle Detector (HEPD-02) is one of the scientific payloads of the China Seismo-Electromagnetic Satellite (CSES-02). The HEPD-02’s main purpose is to characterize the particle environment in the Earth’s vicinity, identifying sud
Externí odkaz:
https://doaj.org/article/e30f5266e8fc4f93ba09f1d0fd00cf7b
Publikováno v:
Sensors, Vol 24, Iss 20, p 6520 (2024)
This study presents a novel approach to enhancing the timing performance of dual-ended positron emission tomography (PET) detectors for brain imaging by employing a dual-finishing crystal method. The proposed method integrates both polished and unpol
Externí odkaz:
https://doaj.org/article/eb6e8a2f2a314a0d846f5c55f6a4fa8c
Autor:
Piotr Sobotka, Karol Bolek, Zuzanna Pawłowska, Bartłomiej Kliś, Maciej Przychodzki, Krzysztof W. Fornalski, Katarzyna A. Rutkowska
Publikováno v:
Sensors, Vol 24, Iss 19, p 6207 (2024)
Detecting 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,
Externí odkaz:
https://doaj.org/article/b65ff81954974e8b8bde61643ae3478b
Publikováno v:
Sensors, Vol 24, Iss 18, p 6052 (2024)
Most single-photon emission computed tomography (SPECT) scanners employ a gamma camera with a large scintillator crystal and 50–100 large photomultiplier tubes (PMTs). In the past, we proposed that the weight, size and cost of a scanner could be re
Externí odkaz:
https://doaj.org/article/2c77ba4e2c0f4c6da2c6e17417b33662
Autor:
Yoko Satoh, Jiro Ishida, Yoshitaka Inui, Akinori Takenaka, Shuji Bando, Sayuri Ishida, Hiroshi Toyama
Publikováno v:
Diagnostics, Vol 14, Iss 18, p 2068 (2024)
Objectives: Breast-specific positron emission tomography (PET) provides higher sensitivity and spatial resolution than whole-body PET/CT, but it has a blind area. Mammary glands near the chest wall sometimes present outside the field of view (FOV). A
Externí odkaz:
https://doaj.org/article/e77d8749e83c4fd2b0980973db6b8282