Toward Large Field-of-View High-Resolution X-ray Imaging Spectrometers: Microwave Multiplexed Readout of 28 TES Microcalorimeters

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dc.contributor.authorYoon, W.
dc.contributor.authorAdams, J. S.
dc.contributor.authorBandler, S. R.
dc.contributor.authorBecker, D.
dc.contributor.authorMiniussi, Antoine
dc.contributor.authorSakai, K
dc.contributor.authorSmith, Stephen J.
dc.contributor.authorWakeham, Nicholas
dc.contributor.authoret al
dc.date.accessioned2022-01-21T16:44:07Z
dc.date.available2022-01-21T16:44:07Z
dc.date.issued2018-04-20
dc.descriptionW. Yoon, · J. S. Adams, · S. R. Bandler · D. Becker · D. A. Bennett · J. A. Chervenak · A. M. Datesman, · M. E. Eckart · F. M. Finkbeiner, · J. W. Fowler · J. D. Gard · G. C. Hilton · R. L. Kelley · C. A. Kilbourne · J. A. B. Mates · Antoine Miniussi · S. H. Moseley · O. Noroozian,, · F. S. Porter · C. D. Reintsema · J. E. Sadleir · K. Sakai, ·Stephen J. Smith · T. R. Stevenson · D. S. Swetz · J. N. Ullom · L. R. Vale · N. A. Wakeham, · E. J. Wassell, · E. J. Wollacken_US
dc.description.abstractWe performed small-scale demonstrations at GSFC of high-resolution X ray TES microcalorimeters read out using a microwave SQUID multiplexer. This work is part of our effort to develop detector and readout technologies for future space-based X-ray instruments such as the microcalorimeter spectrometer envisaged for Lynx, a large mission concept under development for the Astro 2020 Decadal Survey. In this paper we describe our experiment, including details of a recently designed, microwave-optimized low-temperature setup that is thermally anchored to the 55 mK stage of our laboratory ADR. Using a ROACH2 FPGA at room temperature, we read out pixels of a GSFC-built detector array via a NIST-built multiplexer chip with Nb coplanar waveguide resonators coupled to rf-SQUIDs. The resonators are spaced 6 MHz apart (at ∼ 5.9 GHz) and have quality factors of ∼ 15,000. In our initial demonstration, we used flux-ramp modulation frequencies of 125 kHz to read out 5 pixels simultaneously and achieved spectral resolutions of 2.8–3.1 eV FWHM at 5.9 keV. Our subsequent work is ongoing: to-date we have achieved a median spectral resolution of 3.4 eV FWHM at 5.9 keV while reading out 28 pixels simultaneously with flux-ramp frequencies of 160 kHz. We present the measured system-level noise and maximum slew rates and briefly describe our future development work.en_US
dc.description.urihttps://link.springer.com/article/10.1007/s10909-018-1917-0en_US
dc.format.extent9 pagesen_US
dc.genrejournal articlesen_US
dc.identifierdoi:10.13016/m2d4np-0zvp
dc.identifier.citationYoon, W., Adams, J.S., Bandler, S.R. et al. Toward Large Field-of-View High-Resolution X-ray Imaging Spectrometers: Microwave Multiplexed Readout of 28 TES Microcalorimeters. J Low Temp Phys 193, 258–266 (2018). https://doi.org/10.1007/s10909-018-1917-0en_US
dc.identifier.urihttps://doi.org/10.1007/s10909-018-1917-0
dc.identifier.urihttp://hdl.handle.net/11603/24047
dc.language.isoen_USen_US
dc.publisherSpringeren_US
dc.relation.isAvailableAtThe University of Maryland, Baltimore County (UMBC)
dc.relation.ispartofUMBC Center for Space Sciences and Technology
dc.relation.ispartofUMBC Physics Department
dc.relation.ispartofUMBC Faculty Collection
dc.rightsThis work was written as part of one of the author's official duties as an Employee of the United States Government and is therefore a work of the United States Government. In accordance with 17 U.S.C. 105, no copyright protection is available for such works under U.S. Law.en_US
dc.rightsPublic Domain Mark 1.0*
dc.rights.urihttp://creativecommons.org/publicdomain/mark/1.0/*
dc.titleToward Large Field-of-View High-Resolution X-ray Imaging Spectrometers: Microwave Multiplexed Readout of 28 TES Microcalorimetersen_US
dc.typeTexten_US
dcterms.creatorhttps://orcid.org/0000-0003-0622-5174en_US
dcterms.creatorhttps://orcid.org/0000-0002-9247-3010en_US
dcterms.creatorhttps://orcid.org/0000-0003-4096-4675en_US

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