Beams Document 3294-v1

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Superconducting Transition Edge Sensors (TES)

Document #:
Beams-doc-3294-v1
Document type:
Talk
Submitted by:
Camille M. Ginsburg
Updated by:
Camille M. Ginsburg
Document Created:
30 Jan 2009, 09:40
Contents Revised:
30 Jan 2009, 09:40
Metadata Revised:
30 Jan 2009, 09:40
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Abstract:
Superconducting Transition Edge Sensors (TES) simple and
robust incoherent continuum detectors, which nevertheless can reach
sensitivities close to the fundamental noise limit. TES offers various
advantages over the traditional semiconducting detector; it is faster, more
sensitive, has a higher dynamic range, allows complete <span class=SpellE>microlithographic</span>
fabrication and can be multiplexed with Superconducting Quantum Interference
Devices (<span class=SpellE>SQUIDs</span>). The low noise SQUID amplifiers
operate at bolometer temperatures and have very low power dissipation. The
fabrication of TES with integrated <span class=SpellE>SQUIDs</span> and the
multiplexing electronics will allow the production of bolometer arrays with
several hundred or more pixels. <span class=SpellE>TESs</span> can be used as
bolometer (total power detection) and as micro-calorimeter (energy
measurement). I will discuss two of its applications: 1) detectors for
astronomy in millimeter and sub-millimeter wavelength regime, and 2)
micro-calorimeters for nuclear line forensics. I will present a bolometer
system, which is commissioned at an astronomical telescope site, and a
micro-calorimeter system that successfully measured the complicated plutonium
isotopic spectra.
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