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Kinetic inductance detectors for the OLIMPO experiment: in-flight operation and performance

Masi, S., de Bernardis, P., Paiella, A., Piacentini, F., Lamagna, L., Coppolecchia, A., Ade, P.A.R. ORCID:, Battistelli, E.S., Castellano, M.G., Colantoni, I., Columbro, F., D'Alessandro, G., Petris, M. De, Gordon, S., Magneville, C., Mauskopf, P., Pettinari, G., Pisano, G. ORCID:, Polenta, G., Presta, G., Tommasi, E., Tucker, C. ORCID:, Vdovin, V., Volpe, A. and Yvon, D. 2019. Kinetic inductance detectors for the OLIMPO experiment: in-flight operation and performance. Journal of Cosmology and Astroparticle Physics 2019 (07) , 003. 10.1088/1475-7516/2019/07/003

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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
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

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