Proton Damage in X-Ray CCDs for Space Applications: Ground Evaluation Techniques and E ects on Flight Performance
نویسندگان
چکیده
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.
منابع مشابه
The effect of protons on E2V Technologies L3Vision CCDs
The effect of different 10 MeV equivalent proton fluences on the performance of E2V Technologies (formerly Marconi applied technologies, formerly EEV) L3Vision Charge Coupled Devices (CCDs) was investigated. The first experimental radiation damage results of the L3Vision device are presented, with emphasis given to the analysis of damage to the gain register of the device. Changes in dark curre...
متن کاملA proton induced X-ray emission (PIXE) analysis of concentration of trace elements in varicose veins
Background: Proton induced X-ray emission (PIXE) has been applied as reliable and improved techniques in this study to compare concentration of various trace elements in normal and abnormal varicose veins. Materials and Methods: Five samples from normal veins and 13 samples from varicose veins bombarded by 2.0 MeV energy proton beams produced by a Van de Graff accelerator in vacuum. T...
متن کاملSpace-qualified, Abuttable Packaging for LBNL p-Channel CCDs, Part I
We have developed a design for packaging Charged Coupled Devices (CCDs) for use as optical imaging devices for space applications, although the design is also useful for any large ground-based mosaic. We have constructed and assembled prototype packages using this design. Testing of these prototypes has demonstrated that these packaged CCDs are flight worthy. The design, construction, and testi...
متن کاملElectron-multiplying CCDs for future soft X-ray spectrometers
CCDs have been used in several high resolution soft X-ray spectrometers for both space and terrestrial applications such as the Reflection Grating Spectrometer on XMM-Newton and the Super Advanced X-ray Emission Spectrometer at the Paul Scherrer Institut in Switzerland. However, with their ability to use multiplication gain to amplify signal and suppress readout noise, EM-CCDs are being conside...
متن کاملRadiation Damage E ects in CCD Sensors for Tracking Applications in High Energy Physics Ph.D. Thesis
This thesis presents systematic studies on the radiation damage e ects in 2and 3-phase Charge Coupled Devices (CCD). CCDs are one of the primary options for tracking devices at the vertex detector of a future Linear Collider due to their high precision and twodimensional resolution. The radiation backgrounds near the interaction point impose considerable challenge to the tolerance of the CCD se...
متن کامل