Proton Damage in X-Ray CCDs for Space Applications : Ground Evaluation Techniques and E ects on Flight
Proton Damage in X-Ray CCDs for Space Applications : Ground Evaluation Techniques and E ects on Flight
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空间应用 X 射线 CCD 中的质子损伤:地面评估技术及其对飞行的影响
DOI:
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发表时间:
2007
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通讯作者:
M. Bautz
中科院分区:
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作者:
PerformanceKeith Gendreau;M. Bautz
We report measurements of eeects of 2.1 MeV and 40 MeV protons on Charge Coupled Device X-ray detectors of a type soon to be launched on several astronomical research satellites. We discuss ground performance characterization techniques and compare our measurements to simple models of the detector damage mechanism. We predict detector peformance degradation rates in low-earth orbit. We plan to compare these predictions to early ight data obtained from the Solid State Imaging Spectrometer (SIS) focal plane instrument mounted on the Japan/US X-ray astronomy satellite Asuka launched on February 20, 1993.