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arxiv: 1604.02600 · v1 · pith:5HIQW3R2new · submitted 2016-04-09 · 🌌 astro-ph.IM · physics.ins-det

A multiplexer for the ac/dc characterization of TES based bolometers and microcalorimeters

Luciano Gottardi , Hiroki Akamatsu , Marcel Bruijn , Jan R. Gao , Roland den Hartog , Richard Hijmering , Henk Hoevers , Pourya Khosropanah
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Jan van der Kuur Anoton van der Linden Marcel Lindeman Marcel Ridder
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classification 🌌 astro-ph.IM physics.ins-det
keywords bolometerspowerarraymicrocalorimetersmultiplexersronx-rayarrays
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At SRON we are developing the Frequency Domain Multiplexing (FDM) for the read-out of the TES-based detector array for the future infrared and X-ray space mission. We describe the performances of a multiplexer designed to increase the experimental throughput in the characterisation of ultra-low noise equivalent power (NEP) TES bolometers and high energy resolving power X-ray microcalorimeters arrays under ac and dc bias. We discuss the results obtained using the TiAu TES bolometers array fabricated at SRON with measured dark NEP below $5\cdot 10^{-19}W/Hz^{1/2}$ and saturation power of several fW

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