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Integration of TES microcalorimeters with microwave SQUID multiplexed readout.

Published

Author(s)

Douglas A. Bennett, John A. Mates, Johnathon D. Gard, Andrew Hoover, Micheal Rabin, Carl D. Reintsema, Daniel R. Schmidt, Leila R. Vale, Joel N. Ullom

Abstract

The demonstration of a microwave SQUID multiplexed readout of transition-edge sensor (TES) microcalorimeters has the potential to dramatically expand the scale of arrays of TESs. In this manuscript we discuss recent work to develop an instrument for high-resolution, high-efficiency gamma-ray spectroscopy that integrates previously demonstrated high-resolution TES micro-calorimeters with new lower noise microwave SQUID multiplexers. We will discuss the proposed instrument design and readout noise of the optimized microwave SQUID multiplexed readout. Finally we will discuss the potential limits on the number of multiplexed TESs imposed by our exiting analog to digital converter.
Citation
IEEE Transactions on Applied Superconductivity
Volume
25
Issue
3

Keywords

microcalorimeters, SQUID multiplexing
Created December 22, 2014, Updated November 10, 2018