Masi, S., de Bernardis, P., Paiella, A., Piacentini, F., Lamagna, L., Coppolecchia, A., Ade, P.A.R. ![]() ![]() ![]() |
Abstract
We report on the performance of lumped-elements Kinetic Inductance Detector (KID) arrays for mm and sub-mm wavelengths, operated at 0.3 K during the stratospheric flight of the OLIMPO payload, at an altitude of 37.8 km. We find that the detectors can be tuned in-flight, and their performance is robust against radiative background changes due to varying telescope elevation. We also find that the noise equivalent power of the detectors in flight is smaller by a factor of ~ 2, 8, 3.5, 4.5 at 150, 250, 350 and 460 GHz relative to the one measured in the laboratory, and is close to our calculated photon-noise-limited performance. The effect of primary cosmic rays crossing the detector is found to be consistent with the expected ionization energy loss with phonon-mediated energy transfer from the ionization sites to the resonators. In the OLIMPO detector arrays, at float, cosmic ray events affect less than 4% of the detector samplings for all the pixels of all the arrays, and less than 1% of the samplings for most of the pixels. These results are also representative of what one can expect from primary cosmic rays in a satellite mission with similar KIDs and instrument environment.
Item Type: | Article |
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Date Type: | Publication |
Status: | Published |
Schools: | Physics and Astronomy |
Publisher: | IOP Publishing |
ISSN: | 1475-7516 |
Date of First Compliant Deposit: | 19 September 2019 |
Date of Acceptance: | 14 June 2019 |
Last Modified: | 26 Oct 2022 07:42 |
URI: | https://orca.cardiff.ac.uk/id/eprint/125545 |
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