S.Y. Rah

Second-generation Percival sensor and system for upgraded soft X-ray imaging at FELs and synchrotrons

CB Wunderer, M Hajheidari, A. Marras, Th. Wendt et autres

Abstract PERCIVAL, “pixellated energy-resolving CMOS imager versatile and large”, is a 2-megapixel soft X-ray imager developed for use at FELs and modern-day synchrotrons. A combination of capabilities is necessary to meet the scientific needs: a large, uninterrupted imaging area with small pixels, …

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Second-generation Percival sensor and system for upgraded soft X-ray imaging at FELs and synchrotrons

CB Wunderer, M Hajheidari, A. Marras, T. H. Wendt et autres

PERCIVAL, “pixellated energy-resolving CMOS imager versatile and large”, is a 2-megapixel soft X-ray imager developed for use at FELs and modern-day synchrotrons. A combination of capabilities is necessary to meet the scientific needs: a large, uninterrupted imaging area with small pixels, high …

Second-generation Percival sensor and system for upgraded soft X-ray imaging at FELs and synchrotrons

CB Wunderer, M Hajheidari, A. Marras, Th. Wendt et autres

Journal of InstrumentationThe International School for Advanced Studies (SISSA), find out more.The following article isOpen accessSecond-generation Percival sensor and system for upgraded soft X-ray imaging at FELs and synchrotronsC.B. Wunderer, M. Hajheidari, A. Marras, Th. Wendt, F. Anders, J. Correa, M. Dahlgruen, …

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Results of the Characterization of Percival Respin Chip at High Frame Rates

M. Hajheidari, C. Wunderer, H. Hirsemann, A. Marras et autres

PERCIVAL, a Pixellated Energy-resolving CMOS Imager Versatile and Large, is a 2-megapixel multi-gain X-ray detector designed for photon science experiments at Free Electron Laser (FEL) and synchrotron facilities. The first generation of the chip exhibited two major issues: a non-linear response of …

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Percival soft X-ray CMOS Imager for Photon Science – Status and Prospects

M. Hajheidari, C. Wunderer, Jonathan Correa, A. Marras et autres

Abstract Percival is a CMOS-based imager with 2 megapixels, also called P2M, designed for photon science experiments. The first generation of the P2M sensor showed some performance issues. Specifically, ADCs in full-speed operation mode are affected by crosstalk and show a non-linear …

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PERCIVAL: possible applications in X-ray micro-tomography

G. Pinaroli, Ginevra Lautizi, Sandro Donato, L. Stebel et autres

X-ray computed micro-tomography (μCT) is one of the most advanced and common non-destructive techniques in the field of medical imaging and material science. It allows recreating virtual models (3D models), without destroying the original objects, by measuring three-dimensional X-ray attenuation coefficient maps …

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P2M: A 2MPixel CMOS Image Sensor for Soft X-Ray Detection

I. Sedgwick, N. Guerrini, B. Marsh, T. Nicholls et autres

High brilliance synchrotrons and Free Electron Lasers (FELs) require high performing detector systems to realise their full potential. High dynamic range, low noise and high frame rate are all of great importance. In this paper we describe the P2M CMOS sensor, designed …

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P2M: First Optical Characterisation Results of a 2MPixel CMOS Image Sensor for Soft X-Ray Detection

I. Sedgwick, A. Marras, C. Wunderer, Jonathan Correa et autres

High brilliance synchrotrons and FELs require high performing detector systems to realise their full potential. High dynamic range, low noise and high frame rate are all of great importance. In this paper we present first optical characterization results of the P2M CMOS …

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The Percival 2-Megapixel monolithic active pixel imager

C. Wunderer, Jonathan Correa, A. Marras, S. J. Aplin et autres

The peak brilliance reached by today's Free-Electron Laser and Synchrotron light sources requires photon detectors matching their output intensity and other characteristics in order to fully realize the sources' potential. The Pixellated Energy Resolving CMOS Imager, Versatile And Large (Percival) is a …

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AGIPD: a multi megapixel, multi megahertz X-ray camera for the European XFEL

U. Trunk, A. Allahgholi, Julian Becker, A. Delfs et autres

AGIPD is a hybrid pixel detector developed by DESY, PSI, and the Universities of Bonn and Hamburg. It is targeted for use at the European XFEL, a source with unique properties: a train of up to 2700 pulses is repeated at 10 …

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Front end ASIC for AGIPD, a high dynamic range fast detector for the European XFEL

A. Allahgholi, Julian Becker, Laura Bianco, A. Delfs et autres

The Adaptive Gain Integrating Pixel Detector (AGIPD) is a hybrid pixel X-ray detector for the European-XFEL. One of the detector's important parts is the radiation tolerant front end ASIC fulfilling the European-XFEL requirements: high dynamic range—from sensitivity to single 12.5keV-photons up to …

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The AGIPD 1.0 ASIC: Random access high frame rate, high dynamic range X-ray camera readout for the European XFEL

A. Allahgholi, Julian Becker, Laura Bianco, A. Delfs et autres

The European XFEL is an extremely brilliant Free Electron Laser Source with a very demanding pulse structure: trains of 2700 X-Ray pulses are repeated at 10 Hz. The pulses inside the train are spaced by 220 ns and each one contains up …

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