A kilo-pixel imaging system for future space based far-infrared observatories using microwave kinetic inductance detectors

Baselmans, J. J. A., Bueno, J., Yates, S. J. C., Yurduseven, O., Llombart, N., Karatsu, K., Baryshev, A. M., Ferrari, L., Endo, A., Thoen, D. J., de Visser, P. J., Janssen, R. M. J., Murugesan, V., Driessen, E. F. C., Coiffard, G., Martin-Pintado, J., Hargrave, P. ORCID: https://orcid.org/0000-0002-3109-6629 and Griffin, M. ORCID: https://orcid.org/0000-0002-0033-177X 2017. A kilo-pixel imaging system for future space based far-infrared observatories using microwave kinetic inductance detectors. Astronomy and Astrophysics 601 , A89. 10.1051/0004-6361/201629653

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Abstract

spectrum will require very large arrays of ultra-sensitive detectors in combination with high multiplexing factors and effcient lownoise and low-power readout systems. We have developed a demonstrator system suitable for such applications. Methods. The system combines a 961 pixel imaging array based upon Microwave Kinetic Inductance Detectors (MKIDs) with a readout system capable of reading out all pixels simultaneously with only one readout cable pair and a single cryogenic amplifier. We evaluate, in a representative environment, the system performance in terms of sensitivity, dynamic range, optical efficiency, cosmic ray rejection, pixel-pixel crosstalk and overall yield at an observation centre frequency of 850 GHz and 20% fractional bandwidth. Results. The overall system has an excellent sensitivity, with an average detector sensitivity hNEPdeti = 3 - 10

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Physics and Astronomy
Uncontrolled Keywords:	instrumentation: detectors – techniques: miscellaneous
Publisher:	EDP Sciences
ISSN:	0004-6361
Funders:	European Union FP-7
Date of First Compliant Deposit:	5 June 2017
Date of Acceptance:	22 February 2017
Last Modified:	04 May 2023 15:49
URI:	https://orca.cardiff.ac.uk/id/eprint/101060

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