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Fast Fourier transform spectrometer readout for large arrays of microwave kinetic inductance detectors

  • Microwave kinetic inductance detectors have great potential for large, very sensitive detector arrays for use in, for example, submillimeter imaging. Being intrinsically readout in the frequency domain, they are particularly suited for frequency domain multiplexing allowing ?1000s of devices to be readout with one pair of coaxial cables. However, this moves the complexity of the detector from the cryogenics to the warm electronics. We present here the concept and experimental demonstration of the use of fast Fourier transform spectrometer readout, showing no deterioration of the noise performance compared to the low noise analog mixing while allowing high multiplexing ratios.

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Document Type:Article
Author:S. J. C. Yates, A. M. Baryshev, J. J. A. Baselmans, B. Klein, R. Güsten
Parent Title (English):Appl. Phys. Lett. (Applied Physics Letters)
First Page:42504
Publisher:AIP Publishing
Date of first publication:2009/07/29
Tag:bolometers; detectors; infrared submillimeter wave microwave; magnetic resonance spectrometers auxiliary equipment; radiowave receivers; radiowave spectrometers; submillimeter wave microwave; techniques
Departments, institutes and facilities:Fachbereich Elektrotechnik, Maschinenbau, Technikjournalismus
Dewey Decimal Classification (DDC):5 Naturwissenschaften und Mathematik / 52 Astronomie / 520 Astronomie und zugeordnete Wissenschaften
Entry in this database:2015/10/09