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- W2162575821 abstract "This paper presents the design and initial experimental results of a gamma camera using a coded aperture with clustered non-redundant array pattern. This system is based on the use of 5 position sensitive photomultiplier tube coupled to pixelated BGO array with 2/spl times/2/spl times/10mm/sup 3/ pixels. The PSPMT is readout by the IDEAS VA-MCR system with a costume made front electronic. This gamma camera was designed for imaging gamma rays with a broad energy range. The collimator plate was made of Tungsten of 8 mm thick for reducing the effect of gamma ray penetration. For imaging source objects with a relatively large angular extent and high background, the use of clustered NRA offers great flexibility in aperture design that provides a wide view angle and a controlled data multiplexing. In order to replace the time consuming Monte Carlo simulations, we also presented an analytical method for calculating performance indices, such as pixel-wise signal-to-noise ratio and resolution/variance tradeoffs achievable with different detector designs. This helps to select an approximate aperture for given imaging tasks." @default.
- W2162575821 created "2016-06-24" @default.
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- W2162575821 date "2003-01-01" @default.
- W2162575821 modified "2023-09-23" @default.
- W2162575821 title "A gamma ray imager using clustered non-redundant array coded aperture" @default.
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- W2162575821 doi "https://doi.org/10.1109/nssmic.2003.1351810" @default.
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