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Simons Observatory large aperture telescope receiver design overview
Author(s): Ningfeng Zhu; John L. Orlowski-Scherer; Zhilei Xu; Aamir Ali; Kam S. Arnold; Peter C. Ashton; Gabriele Coppi; Mark J. Devlin; Simon Dicker; Nicholas Galitzki; Patricio A. Gallardo; Shawn W. Henderson; Shuay-Pwu Patty Ho; Johannes Hubmayr; Brian Keating; Adrian T. Lee; Michele Limon; Marius Lungu; Philip D. Mauskopf; Andrew J. May; Jeff McMahon; Michael D. Niemack; Lucio Piccirillo; Giuseppe Puglisi; Mayuri Sathyanarayana Rao; Maria Salatino; Max Silva-Feaver; Sara M. Simon; Suzanne Staggs; Robert Thornton; Joel N. Ullom; Eve M. Vavagiakis; Benjamin Westbrook; Edward J. Wollack
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Paper Abstract

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 angular scales between one arcminute and tens of degrees and sample frequencies between 27 and 270 GHz. Here we present the current design of the large aperture telescope receiver (LATR), a 2.4m diameter cryostat that will be mounted on the SO 6m telescope and will be the largest CMB receiver to date. The cryostat size was chosen to take advantage of the large focal plane area having high Strehl ratios, which is inherent to the Cross-Dragone telescope design. The LATR will be able to accommodate thirteen optics tubes, each having a 36 cm diameter aperture and illuminating several thousand transition-edge sensor (TES) bolometers. This set of equipment will provide an opportunity to make measurements with unparalleled sensitivity. However, the size and complexity of the LATR also pose numerous technical challenges. In the following paper, we present the design of the LATR and include how we address these challenges. The solutions we develop in the process of designing the LATR will be informative for the general CMB community, and for future CMB experiments like CMB-S4.

Paper Details

Date Published: 9 July 2018
PDF: 15 pages
Proc. SPIE 10708, Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy IX, 1070829 (9 July 2018); doi: 10.1117/12.2312871
Show Author Affiliations
Ningfeng Zhu, Univ. of Pennsylvania (United States)
John L. Orlowski-Scherer, Univ. of Pennsylvania (United States)
Zhilei Xu, Univ. of Pennsylvania (United States)
Aamir Ali, Univ. of California, Berkeley (United States)
Kam S. Arnold, Univ. of California, San Diego (United States)
Peter C. Ashton, Univ. of California, Berkeley (United States)
Lawrence Berkeley National Lab. (United States)
Gabriele Coppi, Univ. of Pennsylvania (United States)
Mark J. Devlin, Univ. of Pennsylvania (United States)
Simon Dicker, Univ. of Pennsylvania (United States)
Nicholas Galitzki, Univ. of California, San Diego (United States)
Patricio A. Gallardo, Cornell Univ. (United States)
Shawn W. Henderson, SLAC National Accelerator Lab. (United States)
Shuay-Pwu Patty Ho, Princeton Univ. (United States)
Johannes Hubmayr, National Institute of Standards and Technology (United States)
Brian Keating, Univ. of California, San Diego (United States)
Adrian T. Lee, Univ. of California, Berkeley (United States)
Lawrence Berkeley National Lab. (United States)
Michele Limon, Univ. of Pennsylvania (United States)
Marius Lungu, Princeton Univ. (United States)
Philip D. Mauskopf, Arizona State Univ. (United States)
Andrew J. May, The Univ. of Manchester (United Kingdom)
Jeff McMahon, Univ. of Michigan (United States)
Michael D. Niemack, Cornell Univ. (United States)
Lucio Piccirillo, The Univ. of Manchester (United Kingdom)
Giuseppe Puglisi, Stanford Univ. (United States)
Mayuri Sathyanarayana Rao, Lawrence Berkeley National Lab. (United States)
Raman Research Institute (India)
Maria Salatino, Astroparticle and Cosmology Lab., Paris Diderot Univ. (France)
Max Silva-Feaver, Univ. of California, San Diego (United States)
Sara M. Simon, Univ. of Michigan (United States)
Suzanne Staggs, Princeton Univ. (United States)
Robert Thornton, Univ. of Pennsylvania (United States)
West Chester Univ. of Pennsylvania (United States)
Joel N. Ullom, National Institute of Standards and Technology (United States)
Eve M. Vavagiakis, Cornell Univ. (United States)
Benjamin Westbrook, Univ. of California, Berkeley (United States)
Edward J. Wollack, NASA Goddard Space Flight Ctr. (United States)


Published in SPIE Proceedings Vol. 10708:
Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy IX
Jonas Zmuidzinas; Jian-Rong Gao, Editor(s)

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