Thermal Load Minimization of the Frequency Domain Multiplexed Readout for the Athenar X-IFU Instrument

J. Van Der Kuur, L.G. Gottardi, H.A. Akamatsu, B.J. Van Leeuwen, R. Den Hartog, M. Kiviranta, B. Jackson

Research output: Contribution to journalArticleScientificpeer-review

Abstract

The high sensitivity of cryogenic TES-based detectors opens new windows for astrophysical observations ranging from (far) infrared to X-rays. A number of operational and future space and ground-based instruments rely on cryogenic detectors to improve their performance with respect to the capabilities of earlier technologies. To reach the required sensitivities, base temperatures as low as 50 mK are necessary, and stringent requirements on magnetic shielding, microvibrations, and temperature stability are applicable. To minimize the heat load and complexity of the instruments, efficient multiplexing schemes and low-power amplifiers are needed. In addition, for space-based cryogenic instruments, mechanical launch loads and power consumption limitations constrain the available parameter space for engineering further. This paper discusses the system design considerations which are applicable to optimize the multiplex factor within the boundary conditions as set by the space craft for the X-IFU instrument on the Athena observatory. More specifically, the interplay between the science requirements such as pixel dynamic range, pixel speed, and cross talk, and the space craft requirements such as the power dissipation budget, and available bandwidth will be discussed.
Original languageEnglish
Article number7835124
JournalIEEE Transactions on Applied Superconductivity
Volume27
Issue number4
DOIs
Publication statusPublished - 1 Jun 2017
MoE publication typeA1 Journal article-refereed

Fingerprint

Thermal load
readout
Cryogenics
optimization
cryogenics
Pixels
requirements
Magnetic shielding
Detectors
vehicles
pixels
Observatories
Power amplifiers
Multiplexing
magnetic shielding
sensitivity
detectors
Energy dissipation
power amplifiers
Electric power utilization

Keywords

  • Athena
  • microcalorimeter
  • multiplexing
  • power
  • SQUID
  • TES
  • X-IFU

Cite this

Van Der Kuur, J. ; Gottardi, L.G. ; Akamatsu, H.A. ; Van Leeuwen, B.J. ; Den Hartog, R. ; Kiviranta, M. ; Jackson, B. / Thermal Load Minimization of the Frequency Domain Multiplexed Readout for the Athenar X-IFU Instrument. In: IEEE Transactions on Applied Superconductivity. 2017 ; Vol. 27, No. 4.
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Thermal Load Minimization of the Frequency Domain Multiplexed Readout for the Athenar X-IFU Instrument. / Van Der Kuur, J.; Gottardi, L.G.; Akamatsu, H.A.; Van Leeuwen, B.J.; Den Hartog, R.; Kiviranta, M.; Jackson, B.

In: IEEE Transactions on Applied Superconductivity, Vol. 27, No. 4, 7835124, 01.06.2017.

Research output: Contribution to journalArticleScientificpeer-review

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