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Two Dimensional Interferometric Photon Counting Observations with the 6m Telescope

Published online by Cambridge University Press:  12 April 2016

J. Boulesteix ,
Y. Georgelin ,
M. Marcelin  and
J.A. Fort
J. Boulesteix
Affiliation:
Observatoire de Marseille, 2 Place Le Verrier, F-13248 Marseille Cedex 4 (France)
Y. Georgelin
Affiliation:
Observatoire de Marseille, 2 Place Le Verrier, F-13248 Marseille Cedex 4 (France)
M. Marcelin
Affiliation:
Observatoire de Marseille, 2 Place Le Verrier, F-13248 Marseille Cedex 4 (France)
J.A. Fort
Affiliation:
Observatoire de Marseille, 2 Place Le Verrier, F-13248 Marseille Cedex 4 (France)

Extract

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This detector has been in use since 1977. Following Labeyrie (1977), it consists of a microchannel plate electrostatically focussed intensifier (TH 9304) coupled by fiber optics to an SIT camera (TH 9655), these parts being manufactured by THOMSON-CSF (FRANCE). The diameter of the S20 photocathode is 25mm but the silicon target is only 18mm wide. The scanning electronics are conventional. The detector is cooled to -5°C, the photocathode being in a dry nitrogen chamber. The system has been described by Boulesteix (1978).

Type
Session III: Interferometry
Information
International Astronomical Union Colloquium , Volume 67: Instrumentation for Astronomy with Large Optical Telescopes , 1982 , pp. 223 - 227
Copyright
Copyright © Reidel 1982

References

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