In this paper, we report on the design, simulation and testing of a novel CZT detector with an electrode named the Strengthened Electric Field Line Anode（SEFLA）. The Strengthened Electric Field（SEF） technique and ...In this paper, we report on the design, simulation and testing of a novel CZT detector with an electrode named the Strengthened Electric Field Line Anode（SEFLA）. The Strengthened Electric Field（SEF） technique and Single Polarity Charge Sensing（SPCS） technique are implemented. It could achieve the same performance as Coplanar Grid, Pixel Array CZT detectors but requires only a simple readout system. Geant4, Ansoft Maxwell and a self-developed Induced Current Calculator（ICC） package are used to develop an understanding of how the energy spectrum is formed, and the parameters of the detector are optimized. A prototype is fabricated. Experimental results demonstrate the effectiveness of this design. The test shows that the SEFLA detector achieves a FWHM of6.0% @59.5 ke V and 1.6% @662 ke V, which matches well with the simulations.展开更多
基金Supported by Ministry of Science and Technology of People’s Republic of China(2011YQ040082)
文摘In this paper, we report on the design, simulation and testing of a novel CZT detector with an electrode named the Strengthened Electric Field Line Anode（SEFLA）. The Strengthened Electric Field（SEF） technique and Single Polarity Charge Sensing（SPCS） technique are implemented. It could achieve the same performance as Coplanar Grid, Pixel Array CZT detectors but requires only a simple readout system. Geant4, Ansoft Maxwell and a self-developed Induced Current Calculator（ICC） package are used to develop an understanding of how the energy spectrum is formed, and the parameters of the detector are optimized. A prototype is fabricated. Experimental results demonstrate the effectiveness of this design. The test shows that the SEFLA detector achieves a FWHM of6.0% @59.5 ke V and 1.6% @662 ke V, which matches well with the simulations.
