A dual-band cold-electron bolometer with on-chip filters for the 220/240GHz channels of the LSPE instrument
Artikel i vetenskaplig tidskrift, 2019

We are developing multi-chroic double-slot antenna with cold-electron Bolometer (CEB) on-chip filters for the 220/240 GHz interstellar dust monitoring channels of the LSPE-SWIPE experiment. For this goal, we used a narrowband double-slot resonant antenna with CEBs connected by coplanar lines. The simulations show that we have achieved 5% bandwidth for 220 GHz and 5.5% bandwidth for 240 GHz in our numeric modeling for the single cells. A series array of unit cells using double-slot design and coplanar lines with CEBs shows proper frequency selection. Estimations of the noise properties of the CEB arrays in a voltage-biased mode with the SQUID readout show photon-noise limited operation for the optical power load of 6 pW for channel 220 GHz and 20 pW for channel 240 GHz.

double-slot antenna

SQUID

SIN tunnel junction

cold-electron bolometer

dual-band

Författare

Leonid Kuzmin

Chalmers, Mikroteknologi och nanovetenskap (MC2), Kvantkomponentfysik

D. A. Pimanov

Nizhny Novgorod State Technical University

Gordeeva

Russian Academy of Sciences

Nizhny Novgorod State Technical University

Chiginev

Russian Academy of Sciences

Nizhny Novgorod State Technical University

S. Masi

Sapienza, Università di Roma

P. de Bernardis

Sapienza, Università di Roma

Superconductor Science and Technology

0953-2048 (ISSN) 1361-6668 (eISSN)

Vol. 32 8 084005

Ämneskategorier

Telekommunikation

Signalbehandling

Annan elektroteknik och elektronik

DOI

10.1088/1361-6668/ab214b

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Senast uppdaterat

2019-08-26