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Proceedings Paper

A new photon-counting spectrometer for the COAST
Author(s): Alastair G. Basden; Christopher A. Haniff; Craig D. Mackay; Mick T. Bridgeland; Donald M. A. Wilson; John S. Young; David Felix Buscher
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Paper Abstract

Electron multiplying CCDs, e.g. as delivered by E2V Technologies and Texas Instruments, have the potential to become the detectors of choice for all future optical interferometers, replacing expensive fibre-fed arrays of APDs. We report here on the development of a new 500-channel spectroscopic back end for the COAST interferometer that exploits such a device. An E2V Technologies CCD97 (back illuminated) EMCCD with sub-electron readout noise is used as the detector, and can be read out at pixel rates of up to 30~MHz. We present software and hardware approach used to integrate a new CCD controller with the COAST as well as results from lab tests of the detector and controller.

Paper Details

Date Published: 20 October 2004
PDF: 12 pages
Proc. SPIE 5491, New Frontiers in Stellar Interferometry, (20 October 2004); doi: 10.1117/12.550317
Show Author Affiliations
Alastair G. Basden, Univ. of Cambridge (United Kingdom)
Christopher A. Haniff, Univ. of Cambridge (United Kingdom)
Craig D. Mackay, Univ. of Cambridge (United Kingdom)
Mick T. Bridgeland, Univ. of Cambridge (United Kingdom)
Donald M. A. Wilson, Univ. of Cambridge (United Kingdom)
John S. Young, Univ. of Cambridge (United Kingdom)
David Felix Buscher, Univ. of Cambridge (United Kingdom)

Published in SPIE Proceedings Vol. 5491:
New Frontiers in Stellar Interferometry
Wesley A. Traub, Editor(s)

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