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Highly-multiplexed microwave SQUID readout using the SLAC Microresonator Radio Frequency (SMuRF) Electronics for Future CMB and Sub-millimeter Surveys
Shawn W. Henderson, Zeeshan Ahmed, Jason Austermann +29
The next generation of cryogenic CMB and submillimeter cameras under development require densely instrumented sensor arrays to meet their science goals. The readout of large number…
Studies of Systematic Uncertainties for Simons Observatory: Detector Array Effects
Kevin T. Crowley, Sara M. Simon, Max Silva-Feaver +36
In this proceeding, we present studies of instrumental systematic effects for the Simons Obsevatory (SO) that are associated with the detector system and its interaction with the f…
Simons Observatory Large Aperture Telescope Receiver Design Overview
Ningfeng Zhu, John L. Orlowski-Scherer, Zhilei Xu +31
The Simons Observatory (SO) will make precision temperature and polarization measurements of the cosmic microwave background (CMB) using a series of telescopes which will cover ang…
Preflight Characterization of the BLAST-TNG Receiver and Detector Arrays
Nathan P. Lourie, Peter A. R. Ade, Francisco E. Angile +26
The Next Generation Balloon-borne Large Aperture Submillimeter Telescope (BLAST-TNG) is a submillimeter mapping experiment planned for a 28 day long-duration balloon (LDB) flight f…
The Simons Observatory: Instrument Overview
Nicholas Galitzki, Aamir Ali, Kam S. Arnold +75
The Simons Observatory (SO) will make precise temperature and polarization measurements of the cosmic microwave background (CMB) using a set of telescopes which will cover angular…
A Highly Linear Calibration Metric for TES X-ray Microcalorimeters
C. G. Pappas, J. W. Fowler, D. A. Bennett +6
Transition-edge sensor X-ray microcalorimeters are usually calibrated empirically, as the most widely-used calibration metric, optimal filtered pulse height (OFPH), in general has…
The Simons Observatory: Science goals and forecasts
The Simons Observatory Collaboration, Peter Ade, James Aguirre +247
The Simons Observatory (SO) is a new cosmic microwave background experiment being built on Cerro Toco in Chile, due to begin observations in the early 2020s. We describe the scient…
Cold optical design for the Large Aperture Simons Observatory telescope
S. R. Dicker, P. A. Gallardo, J. E Gudmundsson +26
The Simons Observatory will consist of a single large (6 m diameter) telescope and a number of smaller (0.5 m diameter) refracting telescopes designed to measure the polarization o…
Status of the HOLMES Experiment to Directly Measure the Neutrino Mass
A. Nucciotti, B. Alpert, M. Balata +35
The assessment of neutrino absolute mass scale is still a crucial challenge in today particle physics and cosmology. Beta or electron capture spectrum end-point study is currently…
Advanced ACTPol TES Device Parameters and Noise Performance in Fielded Arrays
Kevin T. Crowley, Jason E. Austermann, Steve K. Choi +14
The Advanced ACTPol (AdvACT) upgrade to the Atacama Cosmology Telescope (ACT) features arrays of aluminum manganese transition-edge sensors (TESes) optimized for ground-based obser…
Low Temperature Detectors for CMB Imaging Arrays
Johannes Hubmayr, Jason E. Austermann, James A. Beall +9
We review advances in low temperature detector (LTD) arrays for Cosmic Microwave Background (CMB) polarization experiments, with a particular emphasis on imaging arrays. We briefly…
Prime-Cam: A first-light instrument for the CCAT-prime telescope
Eve M. Vavagiakis, Zeeshan Ahmed, Aamir Ali +43
CCAT-prime will be a 6-meter aperture telescope operating from sub-mm to mm wavelengths, located at 5600 meters elevation on Cerro Chajnantor in the Atacama Desert in Chile. Its no…
BoloCalc: a sensitivity calculator for the design of Simons Observatory
Charles A. Hill, Sarah Marie M. Bruno, Sara M. Simon +34
The Simons Observatory (SO) is an upcoming experiment that will study temperature and polarization fluctuations in the cosmic microwave background (CMB) from the Atacama Desert in…
SLAC Microresonator Radio Frequency (SMuRF) Electronics for Read Out of Frequency-Division-Multiplexed Cryogenic Sensors
S. A. Kernasovskiy, S. E. Kuenstner, E. Karpel +20
Large arrays of cryogenic sensors for various imaging applications ranging across x-ray, gamma-ray, Cosmic Microwave Background (CMB), mm/sub-mm, as well as particle detection incr…
First Calorimetric Measurement of Electron Capture in Pt with a Transition Edge Sensor
Katrina E. Koehler, Michael A. Famiano, Chris J. Fontes +5
The neutrino mass can be extracted from a high statistics, high resolution calorimetric spectrum of electron capture in Ho. In order to better understand the shape of the…
Tile-and-trim micro-resonator array fabrication optimized for high multiplexing factors
Christopher M. McKenney, Jason E. Austermann, Jim Beall +9
We present a superconducting micro-resonator array fabrication method that is scalable, reconfigurable, and has been optimized for high multiplexing factors. The method uses unifor…
Millimeter-Wave Polarimeters Using Kinetic Inductance Detectors for TolTEC and Beyond
J. E. Austermann, J. A. Beall, S. A. Bryan +10
Microwave Kinetic Inductance Detectors (MKIDs) provide a compelling path forward to the large-format polarimeter, imaging, and spectrometer arrays needed for next-generation experi…
Approaches to the Optimal Nonlinear Analysis of Microcalorimeter Pulses
J. W. Fowler, C. G. Pappas, B. K. Alpert +4
We consider how to analyze microcalorimeter pulses for quantities that are nonlinear in the data, while preserving the signal-to-noise advantages of lin- ear optimal filtering. We…
Measurement of optical constants of TiN and TiN/Ti/TiN multilayer films for microwave kinetic inductance photon-number-resolving detectors
M. Dai, W. Guo, X. Liu +8
We deposit thin titanium-nitride (TiN) and TiN/Ti/TiN multilayer films on sapphire substrates and measure the reflectance and transmittance in the wavelength range from 400 nm to 2…