The Simons Observatory Large Aperture Telescope Receiver

被引：38

作者：

Zhu, Ningfeng ^{[1
]}

Bhandarkar, Tanay ^{[1
]}

Coppi, Gabriele ^{[1
,2
]}

Kofman, Anna M. ^{[1
]}

Orlowski-Scherer, John L. ^{[1
]}

Xu, Zhilei ^{[1
,3
]}

Adachi, Shunsuke ^{[4
]}

Ade, Peter ^{[5
]}

Aiola, Simone ^{[6
]}

Austermann, Jason ^{[7
]}

Bazarko, Andrew O. ^{[8
]}

Beall, James A. ^{[7
]}

Bhimani, Sanah ^{[9
]}

Bond, J. Richard ^{[10
]}

Chesmore, Grace E. ^{[11
]}

Choi, Steve K. ^{[12
,13
]}

Connors, Jake ^{[7
]}

Cothard, Nicholas F. ^{[14
]}

Devlin, Mark ^{[1
]}

Dicker, Simon ^{[1
]}

Dober, Bradley ^{[15
]}

Duell, Cody J. ^{[12
]}

Duff, Shannon M. ^{[7
]}

Dunner, Rolando ^{[16
,17
]}

Fabbian, Giulio ^{[5
]}

Galitzki, Nicholas ^{[18
]}

Gallardo, Patricio A. ^{[12
]}

Golec, Joseph E. ^{[11
]}

Haridas, Saianeesh K. ^{[1
]}

Harrington, Kathleen ^{[19
]}

Healy, Erin ^{[8
]}

Ho, Shuay-Pwu Patty ^{[20
]}

Huber, Zachary B. ^{[12
]}

Hubmayr, Johannes ^{[7
]}

Iuliano, Jeffrey ^{[1
]}

Johnson, Bradley R. ^{[21
]}

Keating, Brian ^{[18
]}

Kiuchi, Kenji ^{[22
]}

Koopman, Brian J. ^{[9
]}

Lashner, Jack ^{[23
]}

Lee, Adrian T. ^{[24
]}

Li, Yaqiong ^{[12
,25
]}

Limon, Michele ^{[1
]}

Link, Michael ^{[7
]}

Lucas, Tammy J. ^{[7
]}

McCarrick, Heather ^{[8
]}

Moore, Jenna ^{[26
]}

Nati, Federico ^{[2
]}

Newburgh, Laura B. ^{[27
]}

Niemack, Michael D. ^{[12
,13
,25
]}

机构：

[1] Univ Penn, Dept Phys & Astron, 209 South 33rd St, Philadelphia, PA 19104 USA

[2] Univ Milano Bicocca, Dept Phys, Milan, MI, Italy

[3] MIT, MIT Kavli Inst, 77 Massachusetts Ave, Cambridge, MA 02139 USA

[4] Kyoto Univ, Dept Phys, Sakyo Ku, Kitashirakawa Oiwake Cho, Kyoto 6068502, Japan

[5] Cardiff Univ, Sch Phys & Astron, Cardiff CF24 3AA, Wales

[6] Flatiron Inst, Ctr Computat Astrophys, 162 5th Ave, New York, NY 10010 USA

[7] NIST, Quantum Sensors Grp, 325 Broadway Ave, Boulder, CO 80305 USA

[8] Princeton Univ, Dept Phys, Princeton, NJ 08540 USA

[9] Yale Univ, Dept Phys, New Haven, CT 06520 USA

[10] Univ Toronto, CITA, Toronto, ON M5S 3H8, Canada

[11] Univ Chicago, Dept Phys, Chicago, IL 60637 USA

[12] Cornell Univ, Dept Phys, Ithaca, NY 14853 USA

[13] Cornell Univ, Dept Astron, Ithaca, NY 14853 USA

[14] Cornell Univ, Dept Appl & Engn Phys, Ithaca, NY 14853 USA

[15] Univ Colorado, Dept Phys, Dept Phys 390, Boulder, CO 80309 USA

[16] Pontificia Univ Catolica Chile, Inst Astrofis, Av Vicuna Mackenna 4860, Santiago 7820436, Chile

[17] Pontificia Univ Catolica Chile, Ctr Astroingn, Fac Fis, Av Vicuna Mackenna 4860, Santiago 7820436, Chile

[18] Univ Calif San Diego, Dept Phys, La Jolla, CA 92093 USA

[19] Univ Chicago, Dept Astron & Astrophys, 5640 S Ellis Ave, Chicago, IL 60637 USA

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

[21] Univ Virginia, Dept Astron, Charlottesville, VA 22904 USA

[22] Univ Tokyo, Dept Phys, Bunkyo Ku, 7-3-1 Hongo, Tokyo 1130033, Japan

[23] Univ Southern Calif, Dept Phys & Astron, Los Angeles, CA 90089 USA

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

[25] Cornell Univ, Kavli Inst Cornell Nanoscale Sci, Ithaca, NY 14853 USA

[26] Arizona State Univ, Sch Earth & Space Explorat, Tempe, AZ 85287 USA

[27] Yale Univ, Dept Phys, New Haven, CT 06511 USA

[28] West Chester Univ Penn, Dept Phys & Engn, W Chester, PA 19383 USA

[29] Univ Colorado, Dept Astrophys & Planetary Sci, Boulder, CO 80309 USA

[30] NASA, Goddard Space Flight Ctr, Code 916, Greenbelt, MD 20771 USA

来源：

ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES | 2021年 / 256卷 / 01期

关键词：

ATACAMA COSMOLOGY TELESCOPE; BROAD-BAND; DESIGN; EDGE;

D O I：

10.3847/1538-4365/ac0db7

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The Simons Observatory is a ground-based cosmic microwave background experiment that consists of three 0.4 m small-aperture telescopes and one 6 m Large Aperture Telescope, located at an elevation of 5300 m on Cerro Toco in Chile. The Simons Observatory Large Aperture Telescope Receiver (LATR) is the cryogenic camera that will be coupled to the Large Aperture Telescope. The resulting instrument will produce arcminute-resolution millimeter-wave maps of half the sky with unprecedented precision. The LATR is the largest cryogenic millimeter-wave camera built to date, with a diameter of 2.4 m and a length of 2.6 m. The coldest stage of the camera is cooled to 100 mK, the operating temperature of the bolometric detectors with bands centered around 27, 39, 93, 145, 225, and 280 GHz. Ultimately, the LATR will accommodate 13 40 cm diameter optics tubes, each with three detector wafers and a total of 62,000 detectors. The LATR design must simultaneously maintain the optical alignment of the system, control stray light, provide cryogenic isolation, limit thermal gradients, and minimize the time to cool the system from room temperature to 100 mK. The interplay between these competing factors poses unique challenges. We discuss the trade studies involved with the design, the final optimization, the construction, and ultimate performance of the system.

引用

页数：20

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