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Title: High-speed x-ray imaging with the Keck pixel array detector (Keck PAD) for time-resolved experiments at synchrotron sources

Abstract

Modern storage rings are readily capable of providing intense x-ray pulses, tens of picoseconds in duration, millions of times per second. Exploiting the temporal structure of these x-ray sources opens avenues for studying rapid structural changes in materials. Many processes (e.g. crack propagation, deformation on impact, turbulence, etc.) differ in detail from one sample trial to the next and would benefit from the ability to record successive x-ray images with single x-ray sensitivity while framing at 5 to 10 MHz rates. To this end, we have pursued the development of fast x-ray imaging detectors capable of collecting bursts of images that enable the isolation of single synchrotron bunches and/or bunch trains. The detector technology used is the hybrid pixel array detector (PAD) with a charge integrating front-end, and high-speed, in-pixel signal storage elements. A 384×256 pixel version, the Keck-PAD, with 150 µm × 150 µm pixels and 8 dedicated in-pixel storage elements is operational, has been tested at CHESS, and has collected data for compression wave studies. An updated version with 27 dedicated storage capacitors and identical pixel size has been fabricated.

Authors:
; ; ; ;  [1]; ;  [1];  [2]
  1. Laboratory of Atomic and Solid State Physics, Cornell University, Ithaca, NY (United States)
  2. (CHESS), Cornell University, Ithaca, NY (United States)
Publication Date:
OSTI Identifier:
22608418
Resource Type:
Journal Article
Resource Relation:
Journal Name: AIP Conference Proceedings; Journal Volume: 1741; Journal Issue: 1; Conference: SRI2015: 12. international conference on synchrotron radiation instrumentation, New York, NY (United States), 6-10 Jul 2015; Other Information: (c) 2016 Author(s); Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY; COMPRESSION; CRACK PROPAGATION; DEFORMATION; IMAGES; PULSES; SENSITIVITY; STORAGE RINGS; SYNCHROTRON RADIATION SOURCES; SYNCHROTRONS; TIME RESOLUTION; TURBULENCE; X RADIATION; X-RAY SOURCES

Citation Formats

Philipp, Hugh T., E-mail: htp2@cornell.edu, Tate, Mark W., Purohit, Prafull, Shanks, Katherine S., Weiss, Joel T., Chamberlain, Darol, Gruner, Sol M., and Cornell High Energy Synchrotron Source. High-speed x-ray imaging with the Keck pixel array detector (Keck PAD) for time-resolved experiments at synchrotron sources. United States: N. p., 2016. Web. doi:10.1063/1.4952908.
Philipp, Hugh T., E-mail: htp2@cornell.edu, Tate, Mark W., Purohit, Prafull, Shanks, Katherine S., Weiss, Joel T., Chamberlain, Darol, Gruner, Sol M., & Cornell High Energy Synchrotron Source. High-speed x-ray imaging with the Keck pixel array detector (Keck PAD) for time-resolved experiments at synchrotron sources. United States. doi:10.1063/1.4952908.
Philipp, Hugh T., E-mail: htp2@cornell.edu, Tate, Mark W., Purohit, Prafull, Shanks, Katherine S., Weiss, Joel T., Chamberlain, Darol, Gruner, Sol M., and Cornell High Energy Synchrotron Source. Wed . "High-speed x-ray imaging with the Keck pixel array detector (Keck PAD) for time-resolved experiments at synchrotron sources". United States. doi:10.1063/1.4952908.
@article{osti_22608418,
title = {High-speed x-ray imaging with the Keck pixel array detector (Keck PAD) for time-resolved experiments at synchrotron sources},
author = {Philipp, Hugh T., E-mail: htp2@cornell.edu and Tate, Mark W. and Purohit, Prafull and Shanks, Katherine S. and Weiss, Joel T. and Chamberlain, Darol and Gruner, Sol M. and Cornell High Energy Synchrotron Source},
abstractNote = {Modern storage rings are readily capable of providing intense x-ray pulses, tens of picoseconds in duration, millions of times per second. Exploiting the temporal structure of these x-ray sources opens avenues for studying rapid structural changes in materials. Many processes (e.g. crack propagation, deformation on impact, turbulence, etc.) differ in detail from one sample trial to the next and would benefit from the ability to record successive x-ray images with single x-ray sensitivity while framing at 5 to 10 MHz rates. To this end, we have pursued the development of fast x-ray imaging detectors capable of collecting bursts of images that enable the isolation of single synchrotron bunches and/or bunch trains. The detector technology used is the hybrid pixel array detector (PAD) with a charge integrating front-end, and high-speed, in-pixel signal storage elements. A 384×256 pixel version, the Keck-PAD, with 150 µm × 150 µm pixels and 8 dedicated in-pixel storage elements is operational, has been tested at CHESS, and has collected data for compression wave studies. An updated version with 27 dedicated storage capacitors and identical pixel size has been fabricated.},
doi = {10.1063/1.4952908},
journal = {AIP Conference Proceedings},
number = 1,
volume = 1741,
place = {United States},
year = {Wed Jul 27 00:00:00 EDT 2016},
month = {Wed Jul 27 00:00:00 EDT 2016}
}