Progress in multi-element silicon detectors for synchrotron XRF applications

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Multi-element silicon strip detectors, in conjunction with integrated circuit pulse-processing electronics, offer an attractive alternative to conventional lithium-drifted silicon and high purity germanium detectors for high count rate, low noise synchrotron x-ray fluorescence applications. We have been developing these types of detectors specifically for low noise synchrotron applications, such as extended x-ray absorption fine structure spectroscopy, microprobe x-ray fluorescence and total reflection x-ray fluorescence. The current version of the 192-element detector and integrated circuit preamplifier, cooled to {minus}25{degrees}C with a single-stage thermoelectric cooler, achieves an energy resolution of <200 eV full width of half maximum (FWHM) per channel (at 5.9 ... continued below

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4 p.

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Ludewigt, B.; Rossington, C.; Kipnis, I. & Krieger, B. October 1, 1995.

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Description

Multi-element silicon strip detectors, in conjunction with integrated circuit pulse-processing electronics, offer an attractive alternative to conventional lithium-drifted silicon and high purity germanium detectors for high count rate, low noise synchrotron x-ray fluorescence applications. We have been developing these types of detectors specifically for low noise synchrotron applications, such as extended x-ray absorption fine structure spectroscopy, microprobe x-ray fluorescence and total reflection x-ray fluorescence. The current version of the 192-element detector and integrated circuit preamplifier, cooled to {minus}25{degrees}C with a single-stage thermoelectric cooler, achieves an energy resolution of <200 eV full width of half maximum (FWHM) per channel (at 5.9 keV, 2 {mu}s peaking time), and each detector element is designed to handle {approximately}20 kHz count rate. The detector system will soon be completed to 64 channels using new application specific integrated circuit (ASIC) amplifier chips, new CAMAC (Computer Automated Measurement and Control standard) analog-to-digital converters recently developed at Lawrence Berkeley National Laboratory (LBNL), CAMAC histogramming modules, and Macintosh-based data acquisition software. We report on the characteristics of this detector system, and the work in progress towards the next generation system.

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4 p.

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INIS; OSTI as DE96004748

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  • IEEE nuclear science symposium and medical imaging conference, San Francisco, CA (United States), 21-28 Oct 1995

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  • Other: DE96004748
  • Report No.: LBL--37555
  • Report No.: CONF-951073--15
  • Grant Number: AC03-76SF00098
  • Office of Scientific & Technical Information Report Number: 198866
  • Archival Resource Key: ark:/67531/metadc668050

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

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  • October 1, 1995

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  • June 29, 2015, 9:42 p.m.

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  • April 5, 2016, 12:37 p.m.

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Ludewigt, B.; Rossington, C.; Kipnis, I. & Krieger, B. Progress in multi-element silicon detectors for synchrotron XRF applications, article, October 1, 1995; California. (digital.library.unt.edu/ark:/67531/metadc668050/: accessed September 25, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.