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    CdZnTe Focal Plane Detector

    In recent years various instruments on board satellite missions have demonstrated the need to extend high sensitivity measurements with fine angular resolution coupled to good spectroscopic performance into the hard X-ray regime. These requirements have stimulated the development of hard X-ray focusing optics such as multilayer concentrators.

    The effort in hard X-ray optics development has led to the design of new focal plane detectors capable of meeting the requirements posed by this kind of optics, in particular in terms of high-energy detection efficiency, spectroscopic capabilities and position resolution.

    Among other high-Z semiconductor materials, Cadmium Zinc Telluride (CZT) pixel detectors show very good spectral (< 5% @ 60 keV) and spatial resolution (down to tens of Ám) and are suitable for use in compact hard X-ray sensors operated at room temperature in the (10 - 100) keV energy band.

    IASF-Palermo is involved in the development of a CdTe-CZT focal plane prototype to be used in a balloon borne mission and, in particular, has the responsibility of the pixellated detector.

    Contact person at IASF-Palermo:

    • Stefano.DelSordo at

    Last Modification: Monday, November 30 2009

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