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MIS micro-calorimeters arrays: an alternative to IXO/XMS TES/Squids baseline

MIS micro-calorimeters arrays: an alternative to IXO/XMS TES/Squids baseline

Publication date: 30 July 2010

Authors: Aliane, A., et al.

Journal: Proc. SPIE
Volume: 7732
Page: 7
Year: 2010

Copyright: SPIE

The IXO/XMS instrument baseline is an array of TES sensors. Alternatively, we are now developing a micro-calorimeter array based on Silicon doped sensors. Our strength stands in a very low power consumption at 50 mK, allowing more than 4000 readout channels in the limited power budget of the IXO/XMS cryostat, for a Field of View as large as 6'x6' square while keeping the same spectral resolution. In parallel, we develop the cold (2-4K) frontend electronics based on High Electron Mobility Transistors (GaAlAs/GaAs) and SiGe ASIC electronics to readout, amplify and multiplex the signals. We present the status of our development and our current design study.

This paper was presented at the SPIE conference on Astronomical Instrumentation 2010 conference.

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