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Proceedings Paper

Measuring the effective pixel positions for the HARPS3 CCD
Author(s): Richard D. Hall; Samantha Thompson; Didier Queloz
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Paper Abstract

We present preliminary results from an experiment designed to measure the effective pixel positions of a CCD to sub-pixel precision. This technique will be used to characterise the 4k x 4k CCD destined for the HARPS-3 spectrograph. The principle of coherent beam interference is used to create intensity fringes along one axis of the CCD. By sweeping the physical parameters of the experiment, the geometry of the fringes can be altered which is used to probe the pixel structure. We also present the limitations of the current experimental set-up and suggest what will be implemented in the future to vastly improve the precision of the measurements.

Paper Details

Date Published: 27 July 2016
PDF: 9 pages
Proc. SPIE 9915, High Energy, Optical, and Infrared Detectors for Astronomy VII, 991525 (27 July 2016);
Show Author Affiliations
Richard D. Hall, Univ. of Cambridge (United Kingdom)
Samantha Thompson, Univ. of Cambridge (United Kingdom)
Didier Queloz, Univ. of Cambridge (United Kingdom)

Published in SPIE Proceedings Vol. 9915:
High Energy, Optical, and Infrared Detectors for Astronomy VII
Andrew D. Holland; James Beletic, Editor(s)

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