Multiplexed TES Bolometers on FIBRE, SPIFI, and SAFIRE

Details Multiplexed TES Bolometers on FIBRE, SPIFI, and SAFIRE Multiplexed TES Bolometers on FIBRE, SPIFI, and SAFIRE

Dec 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001aas...19914505s&link_type=abstract

American Astronomical Society, 199th AAS Meeting, #145.05; Bulletin of the American Astronomical Society, Vol. 33, p.1525

Computer Science

Performance

Scientific paper

We have produced a variety of Transition Edge Sensor (TES) bolometers using superconducting bilayers (MoAu and MoCu) with transitions between 300-500 mK. These have produced NEPs as low as 3x 10-17 W Hz-1/2. SQUID based time division multiplexers allow efficient readout with little noise cost. The multiplexed TESes were used in their first astronomical application in a recent observation with the FIBRE (Fabry Perot Interferometer Research Experiment) at the Caltech Submillimeter Observatory. We present lab results of improved performance devices and discuss designs for applications in large arrays (8x32 and larger) in the upcoming SPIFI and SAFIRE instruments.

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