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|Abstract:||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 scales between 1 arcminute and tens of degrees, contain over 60,000 detectors, and observe at frequencies between 27 and 270 GHz. SO will consist of a 6m aperture telescope coupled to over 30,000 transition-edge sensor bolometers along with three 42 cm aperture refractive telescopes, coupled to an additional 30,000+ detectors, all of which will be located in the Atacama Desert at an altitude of 5190 m. The powerful combination of large and small apertures in a CMB observatory will allow us to sample a wide range of angular scales over a common survey area. SO will measure fundamental cosmological parameters of our universe, constrain primordial fluctuations, find high redshift clusters via the Sunyaev-Zeldovich effect, constrain properties of neutrinos, and trace the density and velocity of the matter in the universe over cosmic time. The complex set of technical and science requirements for this experiment has led to innovative instrumentation solutions which we will discuss. The large aperture telescope will couple to a cryogenic receiver that is 2.4m in diameter and nearly 3m long, creating a number of technical challenges. Concurrently, we are designing the array of cryogenic receivers housing the 42 cm aperture telescopes. We will discuss the sensor technology SO will use and we will give an overview of the drivers for and designs of the SO telescopes and receivers, with their cold optical components and detector arrays.|
|Citation:||Galitzki, Nicholas, Ali, Aamir, Arnold, Kam S, Ashton, Peter C, Austermann, Jason E, Baccigalupi, Carlo, Baildon, Taylor, Barron, Darcy, Beall, James A, Beckman, Shawn, Bruno, Sarah Marie M, Bryan, Sean, Calissea, Paolo G, Chesmore, Grace E, Chinone, Yuji, Choi, Steve K, Coppi, Gabriele, Crowley, Kevin D, Crowley, Kevin T, Cukierman, Ari, Devlin, Mark J, Dicker, Simon, Dober, Bradley, Duff, Shannon M, Dunkley, Jo, Fabbian, Giulio, Gallardo, Patricio A, Gerbino, Martina, Goeckner-Wald, Neil, Golec, Joseph E, Gudmundsson, Jon E, Healy, Erin E, Henderson, Shawn, Hill, Charles A, Hilton, Gene C, Ho, Shuay-Pwu Patty, Howe, Logan A, Hubmayr, Johannes, Jeong, Oliver, Koopman, Brian J, Kiuchi, Kenji, Kusaka, Akito, Lashnerz, Jacob, Lee, Adrian T, Li, Yaqiong, Limon, Michele, Lungu, Marius, Matsuda, Frederick, Mauskopf, Philip D, May, Andrew J, McCallum, Nialh, McMahon, Jeff, Natih, Federico, Niemack, Michael D, Orlowski-Scherer, John L, Parshley, Stephen C, Piccirillo, Lucio, Rao, Mayuri Sathyanarayana, Raum, Christopher, Salatino, Maria, Seibert, Joseph S, Sierra, Carlos, Silva-Feaver, Max, Simon, Sara M, Staggs, Suzanne T, Stevens, Jason R, Suzuki, Aritoki, Teply, Grant, Thornton, Robert, Tsai, Calvin, Ullom, Joel N, Vavagiakis, Eve M, Vissers, Michael R, Westbrook, Benjamin, Wollack, Edward J, Xu, Zhilei, Zhu, Ningfeng. (2018). The Simons Observatory: Instrument Overview. MILLIMETER, SUBMILLIMETER, AND FAR-INFRARED DETECTORS AND INSTRUMENTATION FOR ASTRONOMY IX, 10708 (10.1117/12.2312985|
|Type of Material:||Journal Article|
|Journal/Proceeding Title:||MILLIMETER, SUBMILLIMETER, AND FAR-INFRARED DETECTORS AND INSTRUMENTATION FOR ASTRONOMY IX|
|Version:||Final published version. Article is made available in OAR by the publisher's permission or policy.|
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