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24 April 2024 |
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Simons Observatory Microwave SQUID Multiplexing Readout -- Cryogenic RF Amplifier and Coaxial Chain Design | | Mayuri Sathyanarayana Rao
; Maximiliano Silva-Feaver
; Aamir Ali
; Kam Arnold
; Peter Ashton
; Bradley J. Dober
; Cody J. Duell
; Shannon M. Duff
; Nicholas Galitzki
; Erin Healy
; Shawn Henderson
; Shuay-Pwu Patty Ho
; Jonathan Hoh
; Anna M. Kofman
; Akito Kusaka
; Adrian T. Lee
; Aashrita Mangu
; Justin Mathewson
; Philip Mauskopf
; Heather McCarrick
; Jenna Moore
; Michael D. Niemack
; Christopher Raum
; Maria Salatino
; Trevor Sasse
; Joseph Seibert
; Sara M. Simon
; Suzanne Staggs
; Jason R. Stevens
; Grant Teply
; Robert Thornton
; Joel Ullom
; Eve M. Vavagiakis
; Benjamin Westbrook
; Zhilei Xu
; Ningfeng Zhu
; | | Date: |
19 Mar 2020 | | Abstract: | The Simons Observatory (SO) is an upcoming polarization-sensitive Cosmic
Microwave Background (CMB) experiment on the Cerro Toco Plateau (Chile) with
large overlap with other optical and infrared surveys (e.g., DESI, LSST, HSC).
To enable the readout of igO(10,000) detectors in each of the four telescopes
of SO, we will employ the microwave SQUID multiplexing technology. With a
targeted multiplexing factor of igO{(1,000)}, microwave SQUID multiplexing
has never been deployed on the scale needed for SO. Here we present the design
of the cryogenic coaxial cable and RF component chain that connects room
temperature readout electronics to superconducting resonators that are coupled
to Transition Edge Sensor bolometers operating at sub-Kelvin temperatures. We
describe design considerations including cryogenic RF component selection,
system linearity, noise, and thermal power dissipation. | | Source: | arXiv, 2003.8949 | | Services: | Forum | Review | PDF | Favorites | |
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