Submillimeter-wave kinetic inductance bolometers on free-standing nanomembranes

Andrey Timofeev (Corresponding Author), Visa Vesterinen, Panu Helistö, Leif Grönberg, Juha Hassel, A Luukanen

Research output: Contribution to journalArticleScientificpeer-review

15 Citations (Scopus)

Abstract

We introduce a microwave submillimeter-wave detector based on an integrated micromesh absorber and superconducting kinetic inductance thermometer on a through-wafer released sub-micron thick membrane. Equilibrium operation achieved by thermal isolation through the membrane geometry enables operation at elevated thermal bath temperatures of 5-10 K. The bolometer operates in a phonon-noise limited regime with a measured noise equivalent temperature difference of below 10 mK at 1 s integration time, which is sufficient for radiometric imaging in terrestrial systems. We also measured and analyzed the bolometer frequency response in the band 0.1-1.4 THz. Performance improvements through further dimensional scale-down and temperature dependency are discussed
Original languageEnglish
Number of pages7
JournalSuperconductor Science and Technology
Volume27
Issue number2
DOIs
Publication statusPublished - 2014
MoE publication typeA1 Journal article-refereed

Fingerprint

Submillimeter waves
Bolometers
submillimeter waves
bolometers
inductance
Inductance
membranes
Kinetics
kinetics
thermometers
frequency response
Membranes
baths
isolation
temperature gradients
absorbers
Thermometers
wafers
microwaves
Temperature

Cite this

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abstract = "We introduce a microwave submillimeter-wave detector based on an integrated micromesh absorber and superconducting kinetic inductance thermometer on a through-wafer released sub-micron thick membrane. Equilibrium operation achieved by thermal isolation through the membrane geometry enables operation at elevated thermal bath temperatures of 5-10 K. The bolometer operates in a phonon-noise limited regime with a measured noise equivalent temperature difference of below 10 mK at 1 s integration time, which is sufficient for radiometric imaging in terrestrial systems. We also measured and analyzed the bolometer frequency response in the band 0.1-1.4 THz. Performance improvements through further dimensional scale-down and temperature dependency are discussed",
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Submillimeter-wave kinetic inductance bolometers on free-standing nanomembranes. / Timofeev, Andrey (Corresponding Author); Vesterinen, Visa; Helistö, Panu; Grönberg, Leif; Hassel, Juha; Luukanen, A.

In: Superconductor Science and Technology, Vol. 27, No. 2, 2014.

Research output: Contribution to journalArticleScientificpeer-review

TY - JOUR

T1 - Submillimeter-wave kinetic inductance bolometers on free-standing nanomembranes

AU - Timofeev, Andrey

AU - Vesterinen, Visa

AU - Helistö, Panu

AU - Grönberg, Leif

AU - Hassel, Juha

AU - Luukanen, A

PY - 2014

Y1 - 2014

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AB - We introduce a microwave submillimeter-wave detector based on an integrated micromesh absorber and superconducting kinetic inductance thermometer on a through-wafer released sub-micron thick membrane. Equilibrium operation achieved by thermal isolation through the membrane geometry enables operation at elevated thermal bath temperatures of 5-10 K. The bolometer operates in a phonon-noise limited regime with a measured noise equivalent temperature difference of below 10 mK at 1 s integration time, which is sufficient for radiometric imaging in terrestrial systems. We also measured and analyzed the bolometer frequency response in the band 0.1-1.4 THz. Performance improvements through further dimensional scale-down and temperature dependency are discussed

U2 - 10.1088/0953-2048/27/2/025002

DO - 10.1088/0953-2048/27/2/025002

M3 - Article

VL - 27

JO - Superconductor Science and Technology

JF - Superconductor Science and Technology

SN - 0953-2048

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ER -