The EUCLID VIS read-out shutter unit: a low disturbance mechanism at cryogenic temperature [IMA]

http://arxiv.org/abs/1801.07496


Euclid is the second medium-size mission (M2) of the ESA Cosmic Vision Program, currently scheduled for a launch in 2020. The two instruments on-board Euclid, VIS (VISible imager) and NISP (Near Infrared Spectrometer and Photometer), will provide key measurements to investigate the nature of dark energy, advancing our knowledge on cosmology. We present in this contribution the development and manufacturing status of the VIS Read-out Shutter Unit, whose main function is to prevent direct light from falling onto the VIS CCDs during the read-out of the scientific exposures and to allow the dark-current/bias calibrations of the instrument.

Read this paper on arXiv…

C. Larcheveque, L. Genolet, E. Bozzo, et. al.
Wed, 24 Jan 18
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Comments: 17th European Space Mechanisms and Tribology Symposium, Proceedings of the conference held 20-22 September, 2017 in Hatfield (Hertfordshire), United Kingdom