Dynamic characterizations of an 8-frame half-strip high-speed x-ray microchannel plate imager

Ken Moy; Ming Wu; Craig Kruschwitz; Aric Tibbitts; Matt Griffin; Greg Rochau

doi:10.1117/12.795720

5 September 2008 Dynamic characterizations of an 8-frame half-strip high-speed x-ray microchannel plate imager

Ken Moy, Ming Wu, Craig Kruschwitz, Aric Tibbitts, Matt Griffin, Greg Rochau

Proceedings Volume 7079, Hard X-Ray, Gamma-Ray, and Neutron Detector Physics X; 70791B (2008) https://doi.org/10.1117/12.795720
Event: Optical Engineering + Applications, 2008, San Diego, California, United States

Abstract

High-speed microchannel plate (MCP)-based imagers are critical detectors for x-ray diagnostics employed on Z-experiments at Sandia National Laboratories (SNL) to measure time-resolved x-ray spectra and to image dynamic hohlraums. A multiframe design using eight half strips in one imager permits recordings of radiation events in discrete temporal snapshots to yield a time-evolved movie. We present data using various facilities to characterize the performance of this design. These characterization studies include DC and pulsed-voltage biased measurements in both saturated and linear operational regimes using an intense, short-pulsed UV laser. Electrical probe measurements taken to characterize the shape of the HV pulse propagating across the strips help to corroborate the spatial gain dependence

Citation Download Citation

Ken Moy, Ming Wu, Craig Kruschwitz, Aric Tibbitts, Matt Griffin, and Greg Rochau "Dynamic characterizations of an 8-frame half-strip high-speed x-ray microchannel plate imager", Proc. SPIE 7079, Hard X-Ray, Gamma-Ray, and Neutron Detector Physics X, 70791B (5 September 2008); https://doi.org/10.1117/12.795720

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