Implementation of frequency domain multiplexing in imaging arrays of microcalorimeters

J. van Der Kuur (Corresponding Author), P.A.J. de Korte, P. de Groene, N.H.R. Baars, M.P. Lubbers, Mikko Kiviranta

Research output: Contribution to journalArticleScientificpeer-review

23 Citations (Scopus)

Abstract

Frequency domain multiplexing (FDM) is an attractive approach to reading out imaging arrays of transition edge sensor (TES) based microcalorimeters. We are developing a FDM readout system compatible with the specifications as defined for ESA's XEUS mission. FDM is implemented by using the TES as amplitude modulator of its alternating voltage bias source. A single superconducting quantum interference device current amplifier is used to amplify multiple TES signals, which are separated in frequency space by superconducting LC bandpass filters. The scalability of this concept is bounded by parasitic effects. In this paper, the origin and implications of the parasitic effects will be treated. Among the effects are common inductances and magnetic coupling between noise blocking bandpass LC filters. Both effects lead to cross talk and limit the available bandwidth for multiplexing. Quantitative estimates of these effects are given. Furthermore, the required accuracies of the noise blocking bandpass filters are discussed, as well as bias source topologies.

Original languageEnglish
Pages (from-to)551 - 554
Number of pages4
JournalNuclear Instruments and Methods in Physics Research. Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Volume520
Issue number1-3
DOIs
Publication statusPublished - 2004
MoE publication typeA1 Journal article-refereed

Fingerprint

multiplexing
Multiplexing
calorimeters
Imaging techniques
Bandpass filters
Sensors
bandpass filters
Readout systems
sensors
Magnetic couplings
current amplifiers
SQUIDs
Bias voltage
Inductance
Modulators
Scalability
European Space Agency
inductance
Topology
readout

Keywords

  • microcalorimeter
  • multiplexing
  • cross talk
  • FDM
  • sensors

Cite this

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title = "Implementation of frequency domain multiplexing in imaging arrays of microcalorimeters",
abstract = "Frequency domain multiplexing (FDM) is an attractive approach to reading out imaging arrays of transition edge sensor (TES) based microcalorimeters. We are developing a FDM readout system compatible with the specifications as defined for ESA's XEUS mission. FDM is implemented by using the TES as amplitude modulator of its alternating voltage bias source. A single superconducting quantum interference device current amplifier is used to amplify multiple TES signals, which are separated in frequency space by superconducting LC bandpass filters. The scalability of this concept is bounded by parasitic effects. In this paper, the origin and implications of the parasitic effects will be treated. Among the effects are common inductances and magnetic coupling between noise blocking bandpass LC filters. Both effects lead to cross talk and limit the available bandwidth for multiplexing. Quantitative estimates of these effects are given. Furthermore, the required accuracies of the noise blocking bandpass filters are discussed, as well as bias source topologies.",
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Implementation of frequency domain multiplexing in imaging arrays of microcalorimeters. / van Der Kuur, J. (Corresponding Author); de Korte, P.A.J.; de Groene, P.; Baars, N.H.R.; Lubbers, M.P.; Kiviranta, Mikko.

In: Nuclear Instruments and Methods in Physics Research. Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 520, No. 1-3, 2004, p. 551 - 554.

Research output: Contribution to journalArticleScientificpeer-review

TY - JOUR

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AU - van Der Kuur, J.

AU - de Korte, P.A.J.

AU - de Groene, P.

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AU - Lubbers, M.P.

AU - Kiviranta, Mikko

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AB - Frequency domain multiplexing (FDM) is an attractive approach to reading out imaging arrays of transition edge sensor (TES) based microcalorimeters. We are developing a FDM readout system compatible with the specifications as defined for ESA's XEUS mission. FDM is implemented by using the TES as amplitude modulator of its alternating voltage bias source. A single superconducting quantum interference device current amplifier is used to amplify multiple TES signals, which are separated in frequency space by superconducting LC bandpass filters. The scalability of this concept is bounded by parasitic effects. In this paper, the origin and implications of the parasitic effects will be treated. Among the effects are common inductances and magnetic coupling between noise blocking bandpass LC filters. Both effects lead to cross talk and limit the available bandwidth for multiplexing. Quantitative estimates of these effects are given. Furthermore, the required accuracies of the noise blocking bandpass filters are discussed, as well as bias source topologies.

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