Recent developments and optimization of commercially fabricated antenna-coupled transition edge sensor bolometer detectors for next generation cosmic microwave background polarimetry experiments

Aritoki Suzuki; Jason R. Stevens; Daniel Yohannes; Patrick Truitt; Michael D. Niemack; Eve M. Vavagiakis; Akito Kusaka; Yume Nishinomiya; Kenji Kiuchi; Logan Foote; Shawn Beckman; Adrian Lee; Ben Westbrook; Chris Raum; Trevor Sasse; John Vivalda; Mario Renzullo; Nicholas F. Cothard; Mayuri Sathyanarayana Rao

doi:10.1117/12.2562378

13 December 2020 Recent developments and optimization of commercially fabricated antenna-coupled transition edge sensor bolometer detectors for next generation cosmic microwave background polarimetry experiments

Aritoki Suzuki, Jason R. Stevens, Daniel Yohannes, Patrick Truitt, Michael D. Niemack, Eve M. Vavagiakis, Akito Kusaka, Yume Nishinomiya, Kenji Kiuchi, Logan Foote, Shawn Beckman, Adrian Lee, Ben Westbrook, Chris Raum, Trevor Sasse, John Vivalda, Mario Renzullo, Nicholas F. Cothard, Mayuri Sathyanarayana Rao

Author Affiliations +

Proceedings Volume 11453, Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy X; 1145324 (2020) https://doi.org/10.1117/12.2562378
Event: SPIE Astronomical Telescopes + Instrumentation, 2020, Online Only

Conference Poster

Abstract

We report on the development of commercially fabricated multi-chroic antenna coupled Transition Edge Sensor (TES) bolometer arrays for Cosmic Microwave Background (CMB) polarimetry experiments. The orders of magnitude increase in detector count for next generation CMB experiments require a new approach in detector wafer production to increase fabrication throughput. We describe collaborative efforts with a commercial superconductor electronics fabrication facility (SeeQC Inc.) to fabricate detector arrays for CMB application. We have successfully fabricated dual-polarization, dichroic sinuous antenna-coupled TES detector arrays on 150 mm diameter wafers. We report on our recent progress on process optimization to achieve target detector performance such as superconducting transition temperature of a sensor, impedance of sensors, band pass placement, and optical efficiency. We will also report on development of orthomode transducer coupled horn detector fabrication at SeeQC Inc.

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Aritoki Suzuki, Jason R. Stevens, Daniel Yohannes, Patrick Truitt, Michael D. Niemack, Eve M. Vavagiakis, Akito Kusaka, Yume Nishinomiya, Kenji Kiuchi, Logan Foote, Shawn Beckman, Adrian Lee, Ben Westbrook, Chris Raum, Trevor Sasse, John Vivalda, Mario Renzullo, Nicholas F. Cothard, and Mayuri Sathyanarayana Rao "Recent developments and optimization of commercially fabricated antenna-coupled transition edge sensor bolometer detectors for next generation cosmic microwave background polarimetry experiments", Proc. SPIE 11453, Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy X, 1145324 (13 December 2020); https://doi.org/10.1117/12.2562378

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