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Polarization sensitive Multi-Chroic MKIDs

Holland, Wayne S., Zmuidzinas, Jonas, Johnson, Bradley R., Flanigan, Daniel, Abitbol, Maximilian H., Ade, Peter A. R., Bryan, Sean, Cho, Hsiao-Mei, Datta, Rahul, Day, Peter, Doyle, Simon, Irwin, Kent, Jones, Glenn, Kernasovskiy, Sarah, Li, Dale, Mauskopf, Philip, McCarrick, Heather, McMahon, Jeff, Miller, Amber, Pisano, Giampaolo, Song, Yanru, Surdi, Harshad and Tucker, Carole 2016. Polarization sensitive Multi-Chroic MKIDs. Presented at: Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy VIII, Edinburgh, 26 June 2016. Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy VIII. Society of Photo-optical Instrumentation Engineers, 99140X. 10.1117/12.2233243

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Abstract

We report on the development of scalable prototype microwave kinetic inductance detector (MKID) arrays tai- lored for future multi-kilo-pixel experiments that are designed to simultaneously characterize the polarization properties of both the cosmic microwave background (CMB) and Galactic dust emission. These modular arrays are composed of horn-coupled, polarization-sensitive MKIDs, and each pixel has four detectors: two polariza- tions in two spectral bands between 125 and 280 GHz. A horn is used to feed each array element, and a planar orthomode transducer, composed of two waveguide probe pairs, separates the incoming light into two linear po- larizations. Diplexers composed of resonant-stub band-pass filters separate the radiation into 125 to 170 GHz and 190 to 280 GHz pass bands. The millimeter-wave power is ultimately coupled to a hybrid co-planar waveguide microwave kinetic inductance detector using a novel, broadband circuit developed by our collaboration. Elec- tromagnetic simulations show the expected absorption efficiency of the detector is approximately 90%. Array fabrication will begin in the summer of 2016.

Item Type: Conference or Workshop Item (Paper)
Date Type: Publication
Status: Published
Schools: Physics and Astronomy
Publisher: Society of Photo-optical Instrumentation Engineers
ISSN: 0277-786X
Last Modified: 28 Jun 2019 14:36
URI: http://orca.cf.ac.uk/id/eprint/94288

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