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The Medipix4 chip is the latest member in the Medipix/Timepix family of hybrid pixel detector chips aimed at high-rate spectroscopic X-ray imaging using high-Z materials. It can be tiled on all 4 sides making it ideal for constructing…

The TT-PET collaboration is developing a small animal TOF-PET scanner based on monolithic silicon pixel sensors in SiGe BiCMOS technology. The demonstrator chip, a small-scale version of the final detector ASIC, consists of a 3 x 10 pixel…

We present the details of a simulation suite for modeling the effects of readout with SLAC Microresonator RF (SMuRF) electronics. The SMuRF electronics are a warm readout and control system for use with superconducting microwave…

Instrumentation and Methods for Astrophysics · Physics 2022-08-04 Cyndia Yu , Zeeshan Ahmed , J. Mitch D'Ewart , Josef C. Frisch , Shawn W. Henderson , Max Silva-Feaver

We report the first characterization results of an optical time-stamping camera based on the Timepix4 chip coupled to a fully depleted optical silicon sensor and fast image intensifier, enabling sub-nanosecond scale, time-resolved imaging…

Future astrophysics and cosmic microwave background space missions operating in the far-infrared to millimetre part of the spectrum will require very large arrays of ultra-sensitive detectors in combination with high multiplexing factors…

The dark matter directional detection opens a new field in cosmology bringing the possibility to build a map of nuclear recoils that would be able to explore the galactic dark matter halo giving access to a particle characterization of such…

Timepix3 is a multi-purpose readout ASIC for hybrid pixel detectors. It can measure time and energy simultaneously by employing time-of-arrival (ToA) and time-over-threshold (ToT) techniques. Both methods are systematically affected by…

CMOS sensors were successfully implemented in the STAR tracker [1]. LHC experiments have shown that efficient b tagging, reconstruction of displaced vertices and identification of disappearing tracks are necessary. An improved vertex…

Instrumentation and Detectors · Physics 2021-05-21 Nicolas T. Fourches , Geraldine Hallais , Charles Renard

We present an experimental setup and methodology designed to facilitate high-precision thermal measurements required for infrared medical tomography. The approach which is best suited for the study of specialized hardware phantoms comprises…

Medical Physics · Physics 2026-04-08 Anna Frixou , Efstathios Stiliaris , Costas N. Papanicolas

Over the last decade one of the most significant technological advances made in the field of radiation detectors for nuclear medicine was the development of Silicon Photomultipler (SiPM) sensors. At present a only small number of SiPM based…

Instrumentation and Detectors · Physics 2020-08-03 Jeremy M. C. Brown

This study investigates the response of Timepix3 semiconductor pixel detectors in proton beams of varying intensities, with a focus on FLASH proton therapy. Using the Timepix3 ASIC chip, we measured the spatial and spectral characteristics…

Instrumentation and Detectors · Physics 2024-10-02 C. Oancea , J. Šolc , C. Granja , E. Bodenstein , F. Horst , J. Pawelke , J. Jakubek

Miniaturized on-chip spectrometers with small footprints, lightweight, and low cost are in great demand for portable optical sensing, lab-on-chip systems, and so on. Such miniaturized spectrometers are usually based on engineered spectral…

Optics · Physics 2024-10-03 Menghan Tian , Baolei Liu , Zelin Lu , Yao Wang , Ze Zheng , Jiaqi Song , Xiaolan Zhong , Fan Wang

We report on the development of a novel pixel charge readout system, Grid Activated Multi-scale pixel readout (GAMPix), which is under development for use in the GammaTPC gamma ray instrument concept. GammaTPC is being developed to optimize…

In the last years, high-resolution time tagging has emerged as the tool to tackle the problem of high-track density in the detectors of the next generation of experiments at particle colliders. Time resolutions below 50ps and event average…

The detection and tracking of small targets in passive optical remote sensing (PORS) has broad applications. However, most of the previously proposed methods seldom utilize the abundant temporal features formed by target motion, resulting…

Computer Vision and Pattern Recognition · Computer Science 2024-05-16 Weihua Gao , Wenlong Niu , Wenlong Lu , Pengcheng Wang , Zhaoyuan Qi , Xiaodong Peng , Zhen Yang

The design of pixel-based tracking detectors for a Low Q2 Tagger in the Far Backward region of the ePIC detector at EIC is presented. The physics case is outlined, together with estimates of rates and resolutions, and the current design…

Instrumentation and Detectors · Physics 2023-05-12 Simon Gardner , Derek I. Glazier , Kenneth Livingston , Dzmitry Maneuski , Daria Sokhan , Jaroslav Adam

Timepix and Timepix3 are hybrid pixel detectors ($256\times 256$ pixels), capable of tracking ionizing particles as isolated clusters of pixels. To efficiently analyze such clusters at potentially high rates, we introduce multiple…

Data Analysis, Statistics and Probability · Physics 2019-11-07 Petr Mánek , Benedikt Bergmann , Petr Burian , Lukáš Meduna , Stanislav Pospíšil , Michal Suk

The imaging performance of a high-resolution preclinical microPET system employing liquid xenon as the gamma ray detection medium was simulated. The arrangement comprises a ring of detectors consisting of trapezoidal LXe time projection…

Medical Physics · Physics 2012-03-23 A. Miceli , J. Glister , A. Andreyev , D. Bryman , L. Kurchaninov , P. Lu , A. Muennich , F. Retiere , V. Sossi

SPECT systems using pinhole apertures permit radiolabeled molecular distributions to be imaged in vivo in small animals. Nevertheless studying cardiovascular diseases by means of small animal models is very challenging. Specifically,…