A5053933084- Particle Detector Development and Performance
- Advanced X-ray Imaging Techniques
- CCD and CMOS Imaging Sensors
- Medical Imaging Techniques and Applications
- Radiation Detection and Scintillator Technologies
- Advanced X-ray and CT Imaging
- Advancements in Photolithography Techniques
- Electron and X-Ray Spectroscopy Techniques
- Semiconductor materials and devices
- Particle Accelerators and Free-Electron Lasers
- Integrated Circuits and Semiconductor Failure Analysis
- Advancements in Semiconductor Devices and Circuit Design
- Advanced Semiconductor Detectors and Materials
- Image Processing Techniques and Applications
- Digital Radiography and Breast Imaging
- Thin-Film Transistor Technologies
- Electronic Packaging and Soldering Technologies
- Crystallography and Radiation Phenomena
- Electrical and Bioimpedance Tomography
- Advanced Electron Microscopy Techniques and Applications
- Copper Interconnects and Reliability
- Cell Image Analysis Techniques
- Metallurgy and Material Science
- Semiconductor materials and interfaces
- Astrophysical Phenomena and Observations
Universität Hamburg
2013-2024
Deutsches Elektronen-Synchrotron DESY
2015-2024
Center for Free-Electron Laser Science
2014-2024
University of Trento
2022
Diamond Light Source
2016
Vifor Pharma (Switzerland)
2013
University of Bonn
2013
Istituto Nazionale di Fisica Nucleare, Sezione di Perugia
2003-2012
Sapienza University of Rome
2010
University of Bergamo
2010
The Adaptive Gain Integrating Pixel Detector (AGIPD) is an X-ray imager, custom designed for the European Free-Electron Laser (XFEL). It a fast, low-noise integrating detector, with adaptive gain amplifier per pixel. This has equivalent noise of less than 1 keV when detecting single photons and, switched into another state, dynamic range more 10 4 12 keV. In burst mode system able to store 352 images while running at up 6.5 MHz, which compatible 4.5 MHz frame rate XFEL. AGIPD was installed...
AGIPD—(Adaptive Gain Integrating Pixel Detector) is a hybrid pixel X-ray detector developed by collaboration between Deutsches Elektronen-Synchrotron (DESY), Paul-Scherrer-Institut (PSI), University of Hamburg and the Bonn. The designed to comply with requirements European XFEL. radiation tolerant Application Specific Integrated Circuit (ASIC) following highlights: high dynamic range, spanning from single photon sensitivity up 104 12.5keV photons, achieved use gain switching technique using...
With the increased brilliance of state-of-the-art Synchrotron radiation sources and advent Free Electron Lasers enabling revolutionary science with EUV to X-ray photons comes an urgent need for suitable photon imaging detectors. Requirements include high frame rates, very large dynamic range, single-photon counting capability low probability false positives, (multi)-megapixels.
In this work, single-shot ptychography was adapted to the XUV range and, as a proof of concept, performed at free-electron laser FLASH DESY obtain high-resolution reconstruction test sample. Ptychography is coherent diffraction imaging technique capable extended samples with diffraction-limited resolution. However, its scanning nature makes time-consuming and also prevents application for mapping dynamical processes. Single-shot can be realized by collecting patterns multiple overlapping...
Abstract PERCIVAL is a novel soft X-ray detection system designed for the needs of modern microscopy. By integrating it into TwinMic end-station at Elettra Sincrotrone Trieste, we conducted an exploratory computational microscopy experiment on biological samples, aiming evaluating entire in real use-case scenario. We present methodology to convert RAW data and our high-resolution image reconstructions.
With the increased brilliance of state-of-the-art Synchrotron radiation sources and advent Free Electron Lasers enabling revolutionary science on atomic length time scales with EUV to X-ray photons comes an urgent need for suitable photon imaging detectors. Requirements include high frame rates, very large dynamic range, single-photon counting capability low probability false positives, (multi)-megapixels.
We report on measurements of second-order intensity correlations at the high brilliance storage ring PETRA III using a prototype newly developed Adaptive Gain Integrating Pixel Detector (AGIPD). The detector recorded individual synchrotron radiation pulses with an x-ray photon energy 14.4 keV and repetition rate about 5 MHz. correlation function was measured simultaneously different spatial separations that allowed to determine transverse coherence length these energies. values are in good...
In this paper we present a low noise high dynamic range analog front-end ASIC designed for the Adaptive Gain Integrating Pixel Detector (AGIPD) being developed European X-ray Free Electron Laser (XFEL) facility. The has 64 × pixels with pixel size of 200 μm <sup xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">2</sup> , and is bump bonded to silicon sensor imaging. Each includes an adaptive gain charge integrating amplifier (AGCIA) 352 storage cells....
Over the last decade, synchrotron radiation sources have seen a significant increase in brilliance, and advent of free electron lasers has made entire new research fields accessible to investigations with X-rays. These advances light source capabilities resulted not only host scientific discoveries, but also need for generation X-ray imaging detectors that can match sources' terms frame rate image dynamic range while recording information fine granularity over large – preferably...
The adaptive gain integrating pixel detector (AGIPD) is a development of collaboration between Deustsches Elektronen-Synchrotron (DESY), the Paul-Scherrer-Institute (PSI), University Hamburg and Bonn. designed to cope with demanding challenges European XFEL. Therefore it comes along an stage allowing high dynamic range, spanning from single photon sensitivity 104 × 12.4 keV photons 352 analogue memory cells per pixel. aim this report briefly explain concepts AGIPD electronics mechanics then...
In this paper the back-side-illuminated Percival 2-Megapixel (P2M) detector is presented, along with its characterization by means of optical and X-ray photons. For first time, response system to soft X-rays (250 eV 1 keV) presented. The main performance parameters are measured, assessing capabilities in terms noise, dynamic range single-photon discrimination capability. Present limitations coming improvements discussed.
The European XFEL [1] will provide fully coherent, 100 fs X-ray pulses, with up to 10 <sup xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">12</sup> photons at 12 keV. high intensity per pulse allow recording diffraction patterns of single particles or small crystals in a shot. Consequently 2D-detectors have cope large dynamic range: detection from photon >; xmlns:xlink="http://www.w3.org/1999/xlink">4</sup> photons/pixel the same image. An additional...
The Adaptive Gain Integrating Pixel Detector (AGIPD) is a novel detector system, currently under development by collaboration of DESY, the Paul Scherrer Institute in Switzerland, University Hamburg and Bonn, primarily designed for use at European XFEL. To verify key features this detector, an AGIPD 0.4 test chip assembly was tested P10 beamline PETRA III synchrotron DESY. successfully imaged both direct beam single 7.05 keV photons same time, demonstrating large dynamic range required XFEL...
AGIPD (adaptive gain integrating pixel detector) is a detector system developed for the European XFEL (XFEL.EU), which currently being constructed in Hamburg, Germany. The XFEL.EU will operate with bunch trains at repetition rate of 10 Hz. Each train consists 2700 bunches temporal separation 220 ns corresponding to 4.5 MHz. photon pulse has duration < 100 fs (rms) and contains up 1012 photons an energy range between 0.25 25 keV . In order cope large dynamic range, first stage each...
The PERCIVAL (Pixelated Energy Resolving CMOS Imager, Versatile And Large) soft X-ray 2D imaging detector is based on stitched, wafer-scale sensors possessing a thick epi-layer, which together with back-thinning and back-side illumination yields elevated quantum efficiency in the photon energy range of 125–1000 eV. Main application fields are foreseen science FELs synchrotron radiation. This requires high dynamic up to 105 ph @ 250 eV paired single sensitivity confidence at moderate frame...
The past, current and planned future developments of X-ray imagers in the Photon-Science Detector Group at DESY-Hamburg is presented. are custom developed tailored to different sources Hamburg, including storage ring PETRA III/IV; VUV-soft free electron laser FLASH, European Free-Electron Laser. Each source puts requirements on detectors, which described detail, together with technical solutions implemented.
AGIPD is a hybrid pixel detector developed by DESY, PSI, the University of Bonn and Hamburg. The targeted for use at European XFEL, source with unique properties: bunch train 2700 pulses with> 10 <sup xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">12</sup> photons 12 keV each, only 100 fs long 220 ns spacing, repeated Hz rate. This puts up very demanding requirements: dynamic range has to cover detection single extend >...
The peak brilliance reached by today's Free-Electron Laser and Synchrotron light sources requires photon detectors matching their output intensity other characteristics in order to fully realize the sources' potential. Pixellated Energy Resolving CMOS Imager, Versatile And Large (Percival) is a dedicated soft X-ray imager (0.25–1 keV) developed for this purpose collaboration of DESY, Rutherford Appleton Laboratory/STFC, Elettra Sincrotrone Trieste, Diamond Light Source, Pohang Accelerator...
In this paper, we discuss some issues related to the design, implementation and test of a CMOS active pixel sensor chip (RAPS01), developed in framework RAPS (Radiation Active Pixel Sensors) INFN project. Two different basic schemes have been proposed The first one is based on standard Sensor (APS) architecture, while second named Weak Inversion (WIPS) exploits circuitry which allows for "sparse" access mode thus speeding-up read-out phase. Device simulation has extensively used estimate...
The PERCIVAL soft X-ray imager is being developed by DESY, RAL, Elettra, DLS, and PAL to address the challenges at high brilliance Light Sources such as new-generation Synchrotrons Free Electron Lasers. Typical requirements for detector systems these sources are frame rates, large dynamic range, single-photon counting capability with low probability of false positives, quantum efficiency, (multi)-mega-pixel arrangements. a monolithic active pixel sensor, based on CMOS technology. It designed...
AGIPD is a hybrid pixel detector developed by DESY, PSI, and the Universities of Bonn Hamburg. It targeted for use at European XFEL, source with unique properties: train up to 2700 pulses repeated 10 Hz rate. The inside are ≤100fs long separated 220 ns, containing 10<sup>12</sup> photons 12.4 keV each. readout ASICs 64 x pixels each have cope these Single photon sensitivity dynamic range ⪆10<sup>4</sup> photons/pixel in same image as well storage many possible images pulse delayed...