Design and characterization of TES bolometers and SQUID readout electronics for a balloon-borne application

Johannes Hubmayr; Francois Aubin; Eric Bissonnette; Matt Dobbs; Shaul Hanany; Adrian T. Lee; Kevin MacDermid; Xiaofan Meng; Ilan Sagiv; Graeme Smecher

Design and characterization of TES bolometers and SQUID readout electronics for a balloon-borne application

Instrumentation and Methods for Astrophysics 2009-08-17 v1

Authors: Johannes Hubmayr , Francois Aubin , Eric Bissonnette , Matt Dobbs , Shaul Hanany , Adrian T. Lee , Kevin MacDermid , Xiaofan Meng , Ilan Sagiv , Graeme Smecher

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Abstract

We present measurements of the electrical and thermal properties of new arrays of bolometeric detectors that were fabricated as part of a program to develop bolometers optimized for the low photon background of the EBEX balloon-borne experiment. An array consists of 140 spider-web transition edge sensor bolometers microfabricated on a 4" diameter silicon wafer. The designed average thermal conductance of bolometers on a proto-type array is 32 pW/K, and measurements are in good agreement with this value. The measurements are taken with newly developed, digital frequency domain multiplexer SQUID readout electronics.

Keywords

TES bolometers SQUID readout balloon-borne experiment EBEX spider-web thermal conductance frequency domain multiplexer

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@article{arxiv.0908.1997,
  title  = {Design and characterization of TES bolometers and SQUID readout electronics for a balloon-borne application},
  author = {Johannes Hubmayr and Francois Aubin and Eric Bissonnette and Matt Dobbs and Shaul Hanany and Adrian T. Lee and Kevin MacDermid and Xiaofan Meng and Ilan Sagiv and Graeme Smecher},
  journal= {arXiv preprint arXiv:0908.1997},
  year   = {2009}
}

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in SPIE Proceedings Vol. 7020, Marseille, 2008

Design and characterization of TES bolometers and SQUID readout electronics for a balloon-borne application

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