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Title: High-speed X-ray imaging pixel array detector for synchrotron bunch isolation

Journal Article · · Journal of Synchrotron Radiation (Online)
 [1];  [1];  [1];  [1];  [1];  [2]
  1. Cornell Univ., Ithaca, NY (United States). Lab. of Atomic and Solid State Physics (LASSP)
  2. Cornell Univ., Ithaca, NY (United States). Lab. of Atomic and Solid State Physics (LASSP); Cornell Univ., Ithaca, NY (United States). Cornell High Energy Synchrotron Source (CHESS)
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A wide-dynamic-range imaging X-ray detector designed for recording successive frames at rates up to 10 MHz is described. X-ray imaging with frame rates of up to 6.5 MHz have been experimentally verified. The pixel design allows for up to 8–12 frames to be stored internally at high speed before readout, which occurs at a 1 kHz frame rate. An additional mode of operation allows the integration capacitors to be re-addressed repeatedly before readout which can enhance the signal-to-noise ratio of cyclical processes. This detector, along with modern storage ring sources which provide short (10–100 ps) and intense X-ray pulses at megahertz rates, opens new avenues for the study of rapid structural changes in materials. The detector consists of hybridized modules, each of which is comprised of a 500 µm-thick silicon X-ray sensor solder bump-bonded, pixel by pixel, to an application-specific integrated circuit. The format of each module is 128 × 128 pixels with a pixel pitch of 150 µm. In the prototype detector described here, the three-side buttable modules are tiled in a 3 × 2 array with a full format of 256 × 384 pixels. Lastly, we detail the characteristics, operation, testing and application of the detector.

Research Organization:
Cornell Univ., Ithaca, NY (United States)
Sponsoring Organization:
USDOE
Grant/Contract Number:
SC0004079; FG02-10ER46693
OSTI ID:
1344892
Journal Information:
Journal of Synchrotron Radiation (Online), Vol. 23, Issue 2; ISSN 1600-5775
Publisher:
International Union of CrystallographyCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 14 works
Citation information provided by
Web of Science

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journal September 2011
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Cited By (7)

In Situ Time-Resolved Measurements of Extension Twinning During Dynamic Compression of Polycrystalline Magnesium journal April 2018
Characterization of CdTe sensors with Schottky contacts coupled to charge-integrating pixel array detectors for X-ray science journal December 2016
Submillisecond X-ray photon correlation spectroscopy from a pixel array detector with fast dual gating and no readout dead-time journal April 2016
Sub-microsecond-resolved multi-speckle X-ray photon correlation spectroscopy with a pixel array detector journal August 2018
MHz frame rate hard X-ray phase-contrast imaging using synchrotron radiation text January 2017
MHz frame rate hard X-ray phase-contrast imaging using synchrotron radiation journal January 2017
X-ray data processing journal October 2017

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Related Subjects

46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY
imaging detector
high frame rate
X-ray detector
pixel array detectors
time-resolved imaging
area detector