Image Accumulation in Pixel Detector Gated by Late External Trigger Signal and its Application in Imaging Activation Analysis
- Conference date: 8–19 July 2007
- Location: Prague (Czech Republic)
Single quantum counting pixel detectors of Medipix type are starting to be used in various radiographic applications. Compared to standard devices for digital imaging (such as CCDs or CMOS sensors) they present significant advantages: direct conversion of radiation to electric signal, energy sensitivity, noiseless image integration, unlimited dynamic range, absolute linearity. In this article we describe usage of the pixel device TimePix for image accumulation gated by late trigger signal. Demonstration of the technique is given on imaging coincidence instrumental neutron activation analysis (Imaging CINAA). This method allows one to determine concentration and distribution of certain preselected element in an inspected sample.
- Image sensors
- Charge coupled devices
- Activation analysis
- Image converters
- Neutron imaging
- Electrical sensors
- Electromagnetic radiation detectors
- Metal insulator semiconductor structures
- Radiation detectors
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