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Superconducting micro-resonator arrays with ideal frequency spacing and extremely low frequency collision rate
X. Liu, W. Guo, Y. Wang +10
We present a wafer trimming technique for producing superconducting micro-resonator arrays with highly uniform frequency spacing. With the light-emitting diode (LED) mapper techniq…
Magnetic Sensitivity of AlMn TESes and Shielding Considerations for Next-Generation CMB Surveys
E. M. Vavagiakis, S. W. Henderson, K. Zheng +17
In the next decade, new ground-based Cosmic Microwave Background (CMB) experiments such as Simons Observatory (SO), CCAT-prime, and CMB-S4 will increase the number of detectors obs…
Microwave SQUID Multiplexer demonstration for Cosmic Microwave Background Imagers
B. Dober, D. T. Becker, D. A. Bennett +10
Key performance characteristics are demonstrated for the microwave SQUID multiplexer (MUX) coupled to transition edge sensor (TES) bolometers that have been optimized for cosmic…
Cryogenic LED pixel-to-frequency mapper for kinetic inductance detector arrays
X. Liu, W. Guo, Y. Wang +8
We present a cryogenic wafer mapper based on light emitting diodes (LEDs) for spatial mapping of a large microwave kinetic inductance detector (MKID) array. In this scheme, an arra…
First Observation of the Submillimeter Polarization Spectrum in a Translucent Molecular Cloud
Peter C. Ashton, Peter A. R. Ade, Francesco E. Angilè +27
Polarized emission from aligned dust is a crucial tool for studies of magnetism in the ISM and a troublesome contaminant for studies of CMB polarization. In each case, an understan…