Compact CMOS camera demonstrator (C3D) for Ukube-1

Harriss, R. D.; Holland, A. D.; Barber, S. J.; Karout, S.; Burgon, R.; Dryer, B. J.; Murray, N. J.; Hall, D. J.; Smith, P. H.; Greig, T.; Tutt, J. H.; Endicott, J.; Jerram, P.; Morris, D.; Robbins, M.; Prevost, V. and Holland, K. (2011). Compact CMOS camera demonstrator (C3D) for Ukube-1. In: UV/Optical/IR Space Telescopes and Instruments: Innovative Technologies and Concepts V, 8 Sep 2011, San Diego.



The Open University, in collaboration with e2v technologies and XCAM Ltd, have been selected to fly an EO (Earth Observation) technology demonstrator and in-orbit radiation damage characterisation instrument on board the UK Space Agency's UKube-1 pilot Cubesat programme. Cubesat payloads offer a unique opportunity to rapidly build and fly space hardware for minimal cost, providing easy access to the space environment. Based around the e2v 1.3 MPixel 0.18 micron process eye-on-Si CMOS devices, the instrument consists of a radiation characterisation imager as well as a narrow field imager (NFI) and a wide field imager (WFI). The narrow and wide field imagers are expected to achieve resolutions of 25 m and 350 m respectively from a 650 km orbit, providing sufficient swathe width to view the southern UK with the WFI and London with the NFI. The radiation characterisation experiment has been designed to verify and reinforce ground based testing that has been conducted on the e2v eye-on-Si family of devices and includes TEC temperature control circuitry as well as RADFET in-orbit dosimetry. Of particular interest are SEU and SEL effects. The novel instrument design allows for a wide range of capabilities within highly constrained mass, power and space budgets providing a model for future use on similarly constrained missions, such as planetary rovers. Scheduled for launch in December 2011, this 1 year low cost programme should not only provide valuable data and outreach opportunities but also help to prove flight heritage for future missions.

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