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Towards a microchannel‐based X‐ray detector with two‐dimensional spatial and time resolution and high dynamic range
Authors:Bernhard W Adams  Anil U Mane  Jeffrey W Elam  Razib Obaid  Matthew Wetstein  Matthieu Chollet
Abstract:X‐ray detectors that combine two‐dimensional spatial resolution with a high time resolution are needed in numerous applications of synchrotron radiation. Most detectors with this combination of capabilities are based on semiconductor technology and are therefore limited in size. Furthermore, the time resolution is often realised through rapid time‐gating of the acquisition, followed by a slower readout. Here, a detector technology is realised based on relatively inexpensive microchannel plates that uses GHz waveform sampling for a millimeter‐scale spatial resolution and better than 100 ps time resolution. The technology is capable of continuous streaming of time‐ and location‐tagged events at rates greater than 107 events per cm2. Time‐gating can be used for improved dynamic range.
Keywords:high dynamic range  microchannel‐based X‐ray detector
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