Abstract
Photodetectors with excellent time resolution are becoming increasingly important in many applications in medicine, high energy- and nuclear physics applications, biology, and material science. Silicon photomultipliers (SiPM) are a novel class of solid-state photodetectors with good timing properties. While the time resolution of analog SiPMs has been analyzed by many groups, the time resolution of the digital photon counter (DPC) developed by Philips has not yet been fully characterised. Here, the timing capabilities of the DPC are studied using a femtosecond laser. The time resolution is determined for complete dies, single pixels, and individual single photon avalanche diodes (SPADs). The measurements cover a broad dynamic range, from intense illumination down to the single-photon level, and were performed at various temperatures between 0°C and 20°C. The measured single photon time resolution (SPTR) ranges from 101 ps FWHM for the DPC3200 sensor pixel to 247 ps FWHM for the DPC6400 sensor die. An extensive study of the single-SPAD time resolution, ranging from single photon to very high laser intensities (∼1000 photons per pulse), yielded a time resolution of 48 ps FWHM at the single-photon level.
Highlights
IntroductionWe will remove access to the work immediately and investigate your claim
The pixels are subdivided into 4 sub-pixels, which are connected to the timeto-digital converters (TDCs) via a logic network that can be configured to operate with various statistical trigger levels
The single photon time resolution of a single die of the DPC3200 array was measured to be 153 ps FWHM under the best configuration, while the best value obtained for a single pixel was 101 ps FWHM
Summary
We will remove access to the work immediately and investigate your claim. This work is downloaded from Delft University of Technology. For technical reasons the number of authors shown on this cover page is limited to a maximum of 10. - BGO as a hybrid scintillator / Cherenkov radiator for cost-effective time-of-flight PET S E Brunner and D R Schaart. - A PET detector prototype based on digital SiPMs and GAGG scintillators Florian R Schneider, Kenji Shimazoe, Ian Somlai-Schweiger et al. - Fast SiPM Readout of the PANDA TOF Detector M.
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