BoloCalc: a sensitivity calculator for the design of Simons Observatory

被引：17

作者：

Hill, Charles A. ^{[1
,2
]}

Bruno, Sarah Marie M. ^{[3
]}

Simon, Sara M. ^{[4
]}

Ali, Aamir ^{[1
]}

Arnold, Kam S. ^{[5
]}

Ashton, Peter C. ^{[1
,2
]}

Barron, Darcy ^{[6
]}

Bryan, Sean ^{[7
]}

Chinone, Yuji ^{[1
]}

Coppi, Gabriele ^{[8
]}

Crowley, Kevin T. ^{[3
]}

Cukierman, Ari ^{[1
]}

Dicker, Simon ^{[8
]}

Dunkley, Jo ^{[3
]}

Fabbian, Giulio ^{[9
]}

Galitzki, Nicholas ^{[5
]}

Gallardo, Patricio A. ^{[10
]}

Gudmundsson, Jon E. ^{[11
]}

Hubmayr, Johannes ^{[12
]}

Keating, Brian ^{[5
]}

Kusaka, Akito ^{[2
,13
]}

Lee, Adrian T. ^{[1
,2
,14
]}

Matsuda, Frederick ^{[15
]}

Mauskopf, Philip D. ^{[16
,17
]}

McMahon, Jeffrey ^{[4
]}

Niemack, Michael D. ^{[10
]}

Puglisi, Giuseppe ^{[18
]}

Rao, Mayuri Sathyanarayana ^{[2
,19
]}

Salatino, Maria ^{[20
]}

Sierra, Carlos ^{[4
]}

Staggs, Suzanne ^{[3
]}

Suzuki, Aritoki ^{[2
]}

Teply, Grant ^{[5
]}

Ullom, Joel N. ^{[12
]}

Westbrook, Benjamin ^{[1
]}

Xu, Zhilei ^{[8
]}

Zhu, Ningfeng ^{[8
]}

机构：

[1] Univ Calif Berkeley, Dept Phys, Berkeley, CA 94720 USA

[2] Lawrence Berkeley Natl Lab, Div Phys, Berkeley, CA 94720 USA

[3] Princeton Univ, Dept Phys, Princeton, NJ 08544 USA

[4] Univ Michigan, Dept Phys, Ann Arbor, MI 48109 USA

[5] Univ Calif San Diego, Dept Phys, La Jolla, CA 19104 USA

[6] Univ Calif Berkeley, Space Sci Lab, Berkeley, CA 94720 USA

[7] Arizona State Univ, Sch Elect Comp & Energy Engn, Tempe, AZ 85281 USA

[8] Univ Penn, Dept Phys & Astron, Philadelphia, PA 19104 USA

[9] Univ Paris Saclay, Inst Astrophys Spatiale, CNRS, UMR 8617,Univ Paris Sud, Bt 121, F-91405 Orsay, France

[10] Cornell Univ, Dept Phys, Ithaca, NY 14850 USA

[11] Stockholm Univ, Oskar Klein Ctr Cosmoparticle Phys, Dept Phys, Stockholm, Sweden

[12] NIST, Quantum Sensors Grp, Boulder, CO 80309 USA

[13] Univ Tokyo, Dept Phys, Bunkyo Ku, Tokyo 1130033, Japan

[14] Univ Calif Berkeley, Radio Astron Lab, Berkeley, CA 92093 USA

[15] Univ Tokyo, Kavli IPMU WPI, Kashiwa, Chiba 2778583, Japan

[16] Arizona State Univ, Sch Earth & Space Explorat, Tempe, AZ 85281 USA

[17] Arizona State Univ, Dept Phys, Tempe, AZ 85281 USA

[18] Stanford Univ, Dept Phys, Stanford, CA 94305 USA

[19] Raman Res Inst, Astron & Astrophys, Bangalore, Karnataka, India

[20] Paris Diderot Univ, AstroParticle & Cosmol APC Lab, F-75013 Paris, France

来源：

MILLIMETER, SUBMILLIMETER, AND FAR-INFRARED DETECTORS AND INSTRUMENTATION FOR ASTRONOMY IX | 2018年 / 10708卷

关键词：

cosmic microwave background; CMB; noise; noise-equivalent temperature; mapping speed; sensitivity; Simons Observatory; POWER SPECTRUM; MICROWAVE; NOISE; POLARIZATION; BOLOMETERS; SKY;

D O I：

10.1117/12.2313916

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

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.

引用

页数：21

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