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Title: High dynamic range CdTe mixed-mode pixel array detector (MM-PAD) for kilohertz imaging of hard x-rays

Abstract

A hard x-ray, high-speed, high dynamic range scientific x-ray imager is described. The imager is based on the mixed-mode pixel array detector (MM-PAD) readout chip coupled to a 750 µm thick cadmium telluride (CdTe) sensor. The full imager is a 2 × 3 tiled array of MM-PAD sensor/readout chip hybrids. CdTe improves detection for high energy x-rays as compared to silicon sensors, enabling efficient x-ray imaging to extend to >100 keV. The detector is capable of 1 kHz imaging and in-pixel circuitry has been designed to allow for well depths of greater than 4 × 106 80 keV x-rays. Here, a charge integrating front-end allows for quantitative measurement of high flux x-ray images beyond the capabilities of photon counting detectors. Detector performance is summarized and experimental measurements are presented.

Authors:
 [1];  [1];  [1];  [1];  [1]
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  1. Cornell University, Ithaca, NY (United States)
Publication Date:
Research Org.:
Cornell Univ., Ithaca, NY (United States)
Sponsoring Org.:
USDOE Office of Science (SC)
Contributing Org.:
Cornell Hihg Energy Synchrotron Source Argonne National Laboratory
OSTI Identifier:
1657179
Grant/Contract Number:  
SC0017631
Resource Type:
Accepted Manuscript
Journal Name:
Journal of Instrumentation
Additional Journal Information:
Journal Volume: 15; Journal Issue: 06; Journal ID: ISSN 1748-0221
Publisher:
Institute of Physics (IOP)
Country of Publication:
United States
Language:
English
Subject:
99 GENERAL AND MISCELLANEOUS; Solid state detectors; Pixelated detectors; Hybrid detectors; X-ray detectors

Citation Formats

Philipp, H. T., Tate, M. W., Shanks, K. S., Purohit, P., and Gruner, S. M. High dynamic range CdTe mixed-mode pixel array detector (MM-PAD) for kilohertz imaging of hard x-rays. United States: N. p., 2020. Web. doi:10.1088/1748-0221/15/06/p06025.
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Philipp, H. T., Tate, M. W., Shanks, K. S., Purohit, P., & Gruner, S. M. High dynamic range CdTe mixed-mode pixel array detector (MM-PAD) for kilohertz imaging of hard x-rays. United States. https://doi.org/10.1088/1748-0221/15/06/p06025
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Philipp, H. T., Tate, M. W., Shanks, K. S., Purohit, P., and Gruner, S. M. Tue . "High dynamic range CdTe mixed-mode pixel array detector (MM-PAD) for kilohertz imaging of hard x-rays". United States. https://doi.org/10.1088/1748-0221/15/06/p06025. https://www.osti.gov/servlets/purl/1657179.
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@article{osti_1657179,
title = {High dynamic range CdTe mixed-mode pixel array detector (MM-PAD) for kilohertz imaging of hard x-rays},
author = {Philipp, H. T. and Tate, M. W. and Shanks, K. S. and Purohit, P. and Gruner, S. M.},
abstractNote = {A hard x-ray, high-speed, high dynamic range scientific x-ray imager is described. The imager is based on the mixed-mode pixel array detector (MM-PAD) readout chip coupled to a 750 µm thick cadmium telluride (CdTe) sensor. The full imager is a 2 × 3 tiled array of MM-PAD sensor/readout chip hybrids. CdTe improves detection for high energy x-rays as compared to silicon sensors, enabling efficient x-ray imaging to extend to >100 keV. The detector is capable of 1 kHz imaging and in-pixel circuitry has been designed to allow for well depths of greater than 4 × 106 80 keV x-rays. Here, a charge integrating front-end allows for quantitative measurement of high flux x-ray images beyond the capabilities of photon counting detectors. Detector performance is summarized and experimental measurements are presented.},
doi = {10.1088/1748-0221/15/06/p06025},
journal = {Journal of Instrumentation},
number = 06,
volume = 15,
place = {United States},
year = {Tue Jun 23 00:00:00 EDT 2020},
month = {Tue Jun 23 00:00:00 EDT 2020}
}
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Journal Article:
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Publisher's Version of Record
https://doi.org/10.1088/1748-0221/15/06/p06025
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Works referenced in this record:

A Medium-Format, Mixed-Mode Pixel Array Detector for Kilohertz X-ray Imaging
journal, March 2013

High-dynamic-range coherent diffractive imaging: ptychography using the mixed-mode pixel array detector
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High-dynamic-range coherent diffractive imaging: ptychography using the mixed-mode pixel array detector
journal, August 2014

  • Giewekemeyer, Klaus; Philipp, Hugh T.; Wilke, Robin N.
  • Journal of Synchrotron Radiation, Vol. 21, Issue 5
  • DOI: 10.1107/s1600577514013411
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