Vacuum and cryogenic system for the MUSE detectors

J. L. Lizon; M. Accardo; Domingo Gojak; Roland Reiss; Lothar Kern

doi:10.1117/12.924650

24 September 2012 Vacuum and cryogenic system for the MUSE detectors

J. L. Lizon, M. Accardo, Domingo Gojak, Roland Reiss, Lothar Kern

Proceedings Volume 8446, Ground-based and Airborne Instrumentation for Astronomy IV; 84465O (2012) https://doi.org/10.1117/12.924650
Event: SPIE Astronomical Telescopes + Instrumentation, 2012, Amsterdam, Netherlands

Abstract

MUSE with its 24 detectors distributed over an eight square meter vertical area was requiring a well engineered and extremely reliable cryogenic system. The solution should also use a technology proven to be compatible with the very high sensitivity of the VLT interferometer. A short introduction reviews the various available technologies to cool these 24 chips down to 160 K. The first part of the paper presents the selected concept insisting on the various advantages offered by LN2. In addition to the purely vacuum and cryogenic aspects we highlight some of the most interesting features given by the control system based on a PLC.

Citation Download Citation

J. L. Lizon, M. Accardo, Domingo Gojak, Roland Reiss, and Lothar Kern "Vacuum and cryogenic system for the MUSE detectors", Proc. SPIE 8446, Ground-based and Airborne Instrumentation for Astronomy IV, 84465O (24 September 2012); https://doi.org/10.1117/12.924650

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