A prototype cryogenic pickoff arm for multi-IFU spectrometers

Details A prototype cryogenic pickoff arm for multi-IFU spectrometers A prototype cryogenic pickoff arm for multi-IFU spectrometers

Jul 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005esasp.591..289d&link_type=abstract

In: Proceedings of the 11th European Space Mechanisms and Tribology Symposium, ESMATS 2005, 21-23 September 2005, Lucerne, Switz

Physics

Miniature Mechanisms

Scientific paper

A prototype cryogenic "pick-off" arm for selecting a small field from the focal plane of a large telescope has been designed, built and tested against a set of scientific requirements representative of those for proposed multi-integral-field spectrographs. In this paper, we present the design of the arm and the results of the cryogenic testing. Since the proposed instruments will require tens of arms, perhaps hundreds, we have also considered the industrialisation of the manufacture and build of the arms. We briefly discuss this aspect of the design and the possibilities for future instrumentation on Extremely Large Telescopes.

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