Development of TRL5 space qualified hardware for tuning, biasing, and readout of kilopixel TES bolometer arrays

Graeme Smecher; Peter Cameron; Jean-François Cliche; Matt Dobbs; Joshua Montgomery

doi:10.1117/12.2629085

31 August 2022 Development of TRL5 space qualified hardware for tuning, biasing, and readout of kilopixel TES bolometer arrays

Graeme Smecher, Peter Cameron, Jean-François Cliche, Matt Dobbs, Joshua Montgomery

Author Affiliations +

Proceedings Volume 12190, Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy XI; 121900X (2022) https://doi.org/10.1117/12.2629085
Event: SPIE Astronomical Telescopes + Instrumentation, 2022, Montréal, Québec, Canada

Conference Poster

Abstract

The next generation of space-based mm-wave telescopes, such as JAXA’s LiteBIRD mission, require focal planes with thousands of detectors in order to achieve their science goals. Digital frequency-domain multiplexing (dfmux) techniques allow detector counts to scale without a linear growth in wire harnessing, sub-Kelvin refrigerator loads, and other scaling problems. In this paper, we introduce Technology Readiness Level 5 (TRL5) electronics suitable for biasing and readout of LiteBIRD’s Transition Edge Sensor (TES) bolometers using dfmux techniques. These electronics sit between the spacecraft’s payload computer and the cryogenic focal plane, and provide detector biasing, tuning, and readout interfaces between these detectors and the spacecraft’s on-board storage. We describe the overall architecture of the electronics, including functional decomposition into modules, the numerology and interconnection of these modules, and their internal and external interfaces. We describe performance measurements to date, including power consumption, thermal performance, and mass, volume, and reliability estimates. This paper is a companion piece to a description of the electronics’ on-board Field-Programmable Gate Array (FPGA) firmware.

Citation Download Citation

Graeme Smecher, Peter Cameron, Jean-François Cliche, Matt Dobbs, and Joshua Montgomery "Development of TRL5 space qualified hardware for tuning, biasing, and readout of kilopixel TES bolometer arrays", Proc. SPIE 12190, Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy XI, 121900X (31 August 2022); https://doi.org/10.1117/12.2629085

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