@inproceedings{233d08c00eb24227afdd8b5195f27fcd,
title = "BoloCalc: A sensitivity calculator for the design of Simons Observatory",
abstract = "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 Chile. SO will field both a large aperture telescope (LAT) and an array of small aperture telescopes (SATs) that will observe in six bands with center frequencies spanning from 27 to 270 GHz. Key considerations during the SO design phase are vast, including the number of cameras per telescope, focal plane magnification and pixel density, in-band optical power and camera throughput, detector parameter tolerances, and scan strategy optimization. To inform the SO design in a rapid, organized, and traceable manner, we have created a Python-based sensitivity calculator with several state-of-the-art features, including detector-to-detector optical white-noise correlations, a handling of simulated and measured bandpasses, and propagation of low-level parameter uncertainties to uncertainty in on-sky noise performance. We discuss the mathematics of the sensitivity calculation, the calculator's object-oriented structure and key features, how it has informed the design of SO, and how it can enhance instrument design in the broader CMB community, particularly for CMB-S4.",
keywords = "CMB, Cosmic microwave background, Simons Observatory, mapping speed, noise, noise-equivalent temperature, sensitivity",
author = "Hill, {Charles A.} and Bruno, {Sarah Marie M.} and Simon, {Sara M.} and Aamir Ali and Arnold, {Kam S.} and Ashton, {Peter C.} and Darcy Barron and Sean Bryan and Yuji Chinone and Gabriele Coppi and Crowley, {Kevin T.} and Ari Cukierman and Simon Dicker and Jo Dunkley and Giulio Fabbian and Nicholas Galitzki and Gallardo, {Patricio A.} and Gudmundsson, {Jon E.} and Johannes Hubmayr and Brian Keating and Akito Kusaka and Lee, {Adrian T.} and Frederick Matsuda and Philip Mauskopf and Jeffrey McMahon and Niemack, {Michael D.} and Giuseppe Puglisi and Rao, {Mayuri Sathyanarayana} and Maria Salatino and Carlos Sierra and Suzanne Staggs and Aritoki Suzuki and Grant Teply and Ullom, {Joel N.} and Benjamin Westbrook and Zhilei Xu and Ningfeng Zhu",
note = "Publisher Copyright: {\textcopyright} 2018 SPIE.; Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy IX 2018 ; Conference date: 12-06-2018 Through 15-06-2018",
year = "2018",
doi = "10.1117/12.2313916",
language = "English (US)",
isbn = "9781510619692",
series = "Proceedings of SPIE - The International Society for Optical Engineering",
publisher = "SPIE",
editor = "Jonas Zmuidzinas and Jian-Rong Gao",
booktitle = "Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy IX",
}