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http://hdl.handle.net/2289/7101| Title: | Simons Observatory large aperture telescope receiver design overview |
| Authors: | Zhu, Ningfeng Orlowski-Scherer, John L Sathyanarayana Rao, Mayuri + 33 Co-authors |
| Keywords: | Simons Observatory SO, CMB cryogenic large aperture telescope receiver LATR ground-based telescope |
| Issue Date: | 2018 |
| Publisher: | Society of Photo-Optical Instrumentation Engineers (SPIE) |
| Citation: | Proceedings of the SPIE Vol. 10708, p1070829-1, 2018 , Proceedings of Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy IX, edited by Jonas Zmuidzinas, Jian-Rong Gao |
| 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 2.4 m diameter cryostat that will be mounted on the SO 6 m 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. |
| Description: | Restricted Access. An open-access version is available at arXiv.org (one of the alternative locations) |
| URI: | http://hdl.handle.net/2289/7101 |
| ISSN: | 0277-786X 1996-756X (electronic) |
| Alternative Location: | https://arxiv.org/abs/1808.10037 https://doi.org/10.1117/12.2312871 |
| Copyright: | 2017 Society of Photo-Optical Instrumentation Engineers (SPIE) |
| Appears in Collections: | Research Papers (A&A) |
Files in This Item:
| File | Description | Size | Format | |
|---|---|---|---|---|
| 2018_SPIE_Vol.10708_p 1070829.pdf Restricted Access | Restricted Access | 4.87 MB | Adobe PDF | View/Open Request a copy |
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