OMT-coupled CMB detector development at Argonne

Cecil, Thomas, Barry, Peter, Bender, Amy, Chang, Clarence, Czaplewski, David, Hood, John, Kuhlman, Steve, Lisovenko, Marharyta, Meyer, Stephen, Novosad, Valentyn, Wang, Gensheng and Yefremenko, Volodymyr 2021. OMT-coupled CMB detector development at Argonne. IEEE Transactions on Applied Superconductivity 31 (5) , pp. 1-4. 10.1109/TASC.2021.3065270

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Abstract

Future cosmic microwave background (CMB) experiments will deploy increasing numbers of superconducting detectors with requirements for increased sensitivity and reduced systematics. We report on the ongoing development of OMT-coupled CMB detectors at Argonne National Laboratory. Key areas of development include bolometers with dual Transition Edge Sensors (TES) for easier lab characterization, a hybrid SiN membrane fabrication process, a chemical vapor deposition (CVD) SiN dielectric process, and a new pixel design for improved compatibility with large scale fabrication. These developments enhance our ability to fabricate large-scale (150 mm diameter wafers) detector arrays with the performance necessary for future CMB experiments.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Physics and Astronomy
Publisher:	Institute of Electrical and Electronics Engineers
ISSN:	1558-2515
Date of Acceptance:	15 February 2021
Last Modified:	26 Jan 2023 11:15
URI:	https://orca.cardiff.ac.uk/id/eprint/155781

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