In the context of PLATO | ESA's exo-Earth hunting mission due for launch in 2026 | the Science Payload Validation team at ESA/ESTEC have performed a cryogenic proton irradiation and testing campaign of the PLATO CCD radiation test vehicle the Teledyne-e2v CCD280. Following the irradiation in standard conditions (room temperature, unbiased) of one device, and the irradiation of another in close to flight conditions (at T=203K and operated), the devices performance (CTI, dark current, hot pixels, trap population) were concurrently monitored over a two month period, first at a constant temperature and then following several temperature cycles. The results of these investigations will be presented.
Thibaut Prod'homme, Peter Verhoeve, Frederic Lemmel, Hans Smit, Sander Blommaert, Cornelis van der Luijt, Ivo Visser, Thierry Beaufort, Brian Shortt, and Yves Levillain, "Investigating end-of-life performance of the PLATO CCD: cryogenic versus room temperature proton irradiation comparison," Proc. SPIE 10709, High Energy, Optical, and Infrared Detectors for Astronomy VIII, 107090K (Presented at SPIE Astronomical Telescopes + Instrumentation: June 11, 2018; Published: 16 July 2018); https://doi.org/10.1117/12.2314077.
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