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Optimisation of Lumped Element Kinetic Inductance Detectors for use in ground based mm and sub-mm arrays

Doyle, Simon Michael, Mauskopf, Philip Daniel, Zhang, Jin, Withington, Stafford, Goldie, David, Glowacka, Dorota, Monfardini, Alessandro, Swenson, Loren and Roesch, Markus 2010. Optimisation of Lumped Element Kinetic Inductance Detectors for use in ground based mm and sub-mm arrays. Presented at: 13th International Workshop on Low Temperature Detectors, Stanford, CA, USA, 20-24 July 2009. Published in: Young, Betty, Cabrera, Blas and Miller, Aaron eds. Low temperature detectors, LTD-13 : proceedings of the 13th international workshop, Stanford/SLAC, California, 20-24 July 2009. AIP Conference Proceedings , vol. 1185. Melville, NY: American Institute of Physics, pp. 156-159. 10.1063/1.3292304

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Abstract

The Lumped Element Kinetic Inductance Detector (LEKID) is a single layer superconducting detector which provides a simple and elegant solution for producing large format, multiplexed arrays of background limited detectors for ground based astronomy. The LEKID design incorporates both the detecting element and absorber of an array pixel which does not require feed‐horns or antennas to couple in light from a telescope. In order to achieve good optical efficiency across an atmospheric window, the geometry and material choice of the LEKID need to suit the observing band of interest. In addition to this, the geometric and frequency spacing of LEKIDs in an array needs to be optimised to limit crosstalk between pixels and make full use of the bandwidth of the multiplexed readout electronics. In this paper we discuss each of these design aspects of the LEKID and present results for LEKID pixels designed to work at 200 um and 2mm.

Item Type: Conference or Workshop Item (Paper)
Date Type: Publication
Status: Published
Schools: Physics and Astronomy
Subjects: Q Science > QB Astronomy
Uncontrolled Keywords: astronomy; dark matter; cryogenics
Publisher: American Institute of Physics
ISBN: 9780735407510
ISSN: 0094-243X
Last Modified: 07 Jun 2019 20:44
URI: http://orca.cf.ac.uk/id/eprint/27333

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