SQUID Noise in a 176-Pixel FDM Demonstrator for the SAFARI Far-Infrared Spectrometer

Michael D. Audley; Qian Wang; Richard A. Hijmering; Pourya Khosropanah; Gert de Lange; Anton J. van der Linden; Marcel L. Ridder; Emanuele Taralli

doi:10.1007/s10909-020-02399-1

SQUID Noise in a 176-Pixel FDM Demonstrator for the SAFARI Far-Infrared Spectrometer

Michael D. Audley^*, Qian Wang, Richard A. Hijmering, Pourya Khosropanah, Gert de Lange, Anton J. van der Linden, Marcel L. Ridder, Emanuele Taralli

^*Corresponding author for this work

Astronomy

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Abstract

We are developing the frequency-domain multiplexing (FDM) readout for the SAFARI far-infrared spectrometer on board the SPICA space observatory. Each readout channel comprises a set of ~ 160 TESs and LC filters and is read out with a SQUID preamplifier. Baseband feedback is applied to overcome the dynamic range limitations of the SQUID. We have carried out extensive characterization of a test readout system coupled to a 176-pixel TES bolometer array in order to understand and optimize the system. We present our latest measurements of this 176-pixel FDM demonstrator, focusing on the noise contribution from the SQUID.

Original language	English
Pages (from-to)	723-729
Number of pages	7
Journal	Journal of Low Temperature Physics
Volume	199
Issue number	3-4
DOIs	https://doi.org/10.1007/s10909-020-02399-1
Publication status	Published - May-2020

Keywords

TES bolometer array
FDM readout
SAFARI
SQUID noise
READOUT

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SQUID Noise in a 176-Pixel FDM Demonstrator for the SAFARI Far-Infrared SpectrometerFinal publisher's version, 1.3 MBLicence: Taverne

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title = "SQUID Noise in a 176-Pixel FDM Demonstrator for the SAFARI Far-Infrared Spectrometer",

abstract = "We are developing the frequency-domain multiplexing (FDM) readout for the SAFARI far-infrared spectrometer on board the SPICA space observatory. Each readout channel comprises a set of ~ 160 TESs and LC filters and is read out with a SQUID preamplifier. Baseband feedback is applied to overcome the dynamic range limitations of the SQUID. We have carried out extensive characterization of a test readout system coupled to a 176-pixel TES bolometer array in order to understand and optimize the system. We present our latest measurements of this 176-pixel FDM demonstrator, focusing on the noise contribution from the SQUID.",

keywords = "TES bolometer array, FDM readout, SAFARI, SQUID noise, READOUT",

author = "Audley, {Michael D.} and Qian Wang and Hijmering, {Richard A.} and Pourya Khosropanah and {de Lange}, Gert and {van der Linden}, {Anton J.} and Ridder, {Marcel L.} and Emanuele Taralli",

year = "2020",

month = may,

doi = "10.1007/s10909-020-02399-1",

language = "English",

volume = "199",

pages = "723--729",

journal = "Journal of Low Temperature Physics",

issn = "0022-2291",

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T1 - SQUID Noise in a 176-Pixel FDM Demonstrator for the SAFARI Far-Infrared Spectrometer

AU - Audley, Michael D.

AU - Wang, Qian

AU - Hijmering, Richard A.

AU - Khosropanah, Pourya

AU - de Lange, Gert

AU - van der Linden, Anton J.

AU - Ridder, Marcel L.

AU - Taralli, Emanuele

PY - 2020/5

Y1 - 2020/5

N2 - We are developing the frequency-domain multiplexing (FDM) readout for the SAFARI far-infrared spectrometer on board the SPICA space observatory. Each readout channel comprises a set of ~ 160 TESs and LC filters and is read out with a SQUID preamplifier. Baseband feedback is applied to overcome the dynamic range limitations of the SQUID. We have carried out extensive characterization of a test readout system coupled to a 176-pixel TES bolometer array in order to understand and optimize the system. We present our latest measurements of this 176-pixel FDM demonstrator, focusing on the noise contribution from the SQUID.

AB - We are developing the frequency-domain multiplexing (FDM) readout for the SAFARI far-infrared spectrometer on board the SPICA space observatory. Each readout channel comprises a set of ~ 160 TESs and LC filters and is read out with a SQUID preamplifier. Baseband feedback is applied to overcome the dynamic range limitations of the SQUID. We have carried out extensive characterization of a test readout system coupled to a 176-pixel TES bolometer array in order to understand and optimize the system. We present our latest measurements of this 176-pixel FDM demonstrator, focusing on the noise contribution from the SQUID.

KW - TES bolometer array

KW - FDM readout

KW - SAFARI

KW - SQUID noise

KW - READOUT

U2 - 10.1007/s10909-020-02399-1

DO - 10.1007/s10909-020-02399-1

M3 - Article

SN - 0022-2291

VL - 199

SP - 723

EP - 729

JO - Journal of Low Temperature Physics

JF - Journal of Low Temperature Physics

IS - 3-4

ER -

SQUID Noise in a 176-Pixel FDM Demonstrator for the SAFARI Far-Infrared Spectrometer

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