Characterisation of a CZT focal plane small prototype for hard x-ray telescope

  • E. Caroli
  • , N. Auricchio
  • , A. Donati
  • , F. Schiavone
  • , J. B. Stephen
  • , G. Ventura
  • , S. Del Sordo
  • , L. Abbene
  • , G. Agnetta
  • , F. Russo
  • , M. Zora
  • , G. Bertuccio
  • , S. Caccia
  • , M. Sampietro
  • , G. Pareschi
  • , B. Negri

Research output: Contribution to journalConference articlepeer-review

Abstract

We are working on the development of a balloon borne telescope based on multilayer optics for energy from -10 keV up 80 keV. This hard X-ray telescope requires a high efficiency focal plane providing both fine spatial resolution and spectroscopy with a compact and robust design. Currently the most appealing choice is offered by the development of CdTe/CZT detectors. Herein we present the characterization both in spectroscopic and spatial response of a small CZT detector (1 cm2) with 0.5 mm pixel size. The readout of the detector use an innovative low noise and low power dissipation ASICs developed within the collaboration. We present the results of tests with both collimated and non collimated radioactive sources using the RENA front-end electronics and a back-end electronics, that comprises a 64 independent channels system with coincidence logic.

Original languageEnglish
Pages (from-to)4535-4539
Number of pages5
JournalIEEE Nuclear Science Symposium Conference Record
Volume7
Publication statusPublished - 1 Dec 2004
Externally publishedYes
Event2004 Nuclear Science Symposium, Medical Imaging Conference, Symposium on Nuclear Power Systems and the 14th International Workshop on Room Temperature Semiconductor X- and Gamma- Ray Detectors - Rome, Italy
Duration: 16 Oct 200422 Oct 2004

Keywords

  • CdZnTe detector
  • Hard X imaging
  • Position sensing
  • Spectroscopy

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