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Development of a position-sensitive CZT detector with coplanar grid electrode

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Abstract

The finite–element analysis was done to optimize position-sensing coplanar grid electrode geometry. CdZnTe crystals manufactured by PAM-XIAMEN with customized electrode geometry have been tested. After digitizing pre-amplifier signals, trapezoidal digital filter was adopted to enhance the signal to noise ratio. Energy resolution of 2.7% FWHM at 662 keV γ-ray energy was obtained. The measured results show the dramatic improvement with position-sensing technique.

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Authors and Affiliations

  1. Korea Research Institute of Standards and Science, Daejeon, 305-340, Republic of Korea

    B. J. Kim, K. B. Lee, J. M. Lee, T. S. Park & S. H. Hwang

  2. University of Science and Technology (UST), Daejeon, Republic of Korea

    B. J. Kim, K. B. Lee & J. M. Lee

Authors
  1. B. J. Kim
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  2. K. B. Lee
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  3. J. M. Lee
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  4. T. S. Park
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  5. S. H. Hwang
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Corresponding author

Correspondence to K. B. Lee.

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Kim, B.J., Lee, K.B., Lee, J.M. et al. Development of a position-sensitive CZT detector with coplanar grid electrode. J Radioanal Nucl Chem 316, 1221–1225 (2018). https://doi.org/10.1007/s10967-018-5890-5

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  • DOI: https://doi.org/10.1007/s10967-018-5890-5

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