Maturity of lumped element kinetic inductance detectors for space-borne instruments in the range between 80 and 180 GHz

A. Catalano 1 A. Benoit 2 O. Bourrion 1 M. Calvo 3 G. Coiffard 4 A. D’addabbo J. Goupy 2 Hélène Le Sueur 5 J. Macías-Pérez 1 A. Monfardini 1, 2
1 LPSC - Laboratoire de Physique Subatomique et de Cosmologie
2 HELFA - Hélium : du fondamental aux applications
NEEL - Institut Néel
3 Cryo - Cryogénie
NEEL - Institut Néel
4 IRAM - Institut de RadioAstronomie Millimétrique
5 CSNSM - Centre de Spectrométrie Nucléaire et de Spectrométrie de Masse
Abstract : This work intends to give the state-of-the-art of our knowledge of the performance of LEKIDs at millimetre wavelengths (from 80 to 180~GHz). We evaluate their optical sensitivity under typical background conditions and their interaction with ionising particles. Two LEKID arrays, originally designed for ground-based applications and composed of a few hundred pixels each, operate at a central frequency of 100, and 150~GHz ($\Delta \nu / \nu$ about 0.3). Their sensitivities have been characterised in the laboratory using a dedicated closed-circle 100~mK dilution cryostat and a sky simulator, allowing for the reproduction of realistic, space-like observation conditions. The impact of cosmic rays has been evaluated by exposing the LEKID arrays to alpha particles ($^{241}$Am) and X sources ($^{109}$Cd) with a readout sampling frequency similar to the ones used for Planck HFI (about 200~Hz), and also with a high resolution sampling level (up to 2~MHz) in order to better characterise and interpret the observed glitches. In parallel, we have developed an analytical model to rescale the results to what would be observed by such a LEKID array at the second Lagrangian point.
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Submitted on : Tuesday, November 10, 2015 - 7:51:51 AM
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A. Catalano, A. Benoit, O. Bourrion, M. Calvo, G. Coiffard, et al.. Maturity of lumped element kinetic inductance detectors for space-borne instruments in the range between 80 and 180 GHz. Astronomy and Astrophysics - A&A, EDP Sciences, 2016, 592, pp.A26. ⟨10.1051/0004-6361/201527715⟩. ⟨in2p3-01226719⟩

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