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Thermal testing for cryogenic CMB instrument optical design

Goldfinger, David C., Ade, Peter A. R. ORCID:, Ahmed, Zeeshan, Amiri, Mandana, Barkats, Denis, Basu Thakur, Ritoban, Beck, Dominic, Bischoff, Colin A., Bock, James J., Buza, Victor, Cheshire, James R., Connors, Jake, Cornelison, James, Crumrine, Michael, Cukierman, Ari J., Denison, Edward V., Dierickx, Marion I., Duband, Lionel, Eiben, Miranda, Fatigoni, Sofia, Filippini, Jeff P., Giannakopoulos, Christos, Goeckner-Wald, Neil, Grayson, James A., Grimes, Paul K., Hall, Grantland, Halal, George, Halpern, Mark, Hand, Emma, Harrison, Sam A., Henderson, Shawn, Hildebrandt, Sergi R., Hilton, Gene C., Hubmayr, Johannes, Hui, Howard, Irwin, Kent D., Kang, Jae Hwan, Karkare, Kirit S., Kefeli, Sinan, Kovac, John M., Kuo, Chao-Lin, Lau, King, Leitch, Erik M., Lennox, Amber, Liu, Tongtian, Megerian, Krikor G., Minutolo, Lorenzo, Moncelsi, Lorenzo, Nakato, Yuka, Namikawa, Toshiya, Nguyen, Hien T., O'Brient, Roger, Palladino, Steven M., Petroff, Matthew, Prouvé, Thomas, Pryke, Clement L., Racine, Benjamin, Reintsema, Carl D., Salatino, Maria, Schillaci, Alessandro, Schmitt, Benjamin L., Singari, Baibhav, Soliman, Ahmed, Smith, Amanda G., St. Germaine, Tyler, Steinbach, Bryan, Sudiwala, Rashmi V. ORCID:, Thompson, Keith L., Tsai, Calvin, Tucker, Carole E. ORCID:, Turner, Anthony D., Umiltà, Caterina, Verges, Clara, Vieregg, Abigail G., Wandui, Albert K., Weber, Alexis C., Wiebe, Don V., Willmert, Justin, Wu, Wai Ling K., Yang, Hung-I, Yoon, Ki Won, Young, Edward, Yu, Cyndia, Zeng, Lingzhen, Zhang, Cheng, Zhang, Silvia, Zmuidzinas, Jonas and Gao, Jian-Rong 2022. Thermal testing for cryogenic CMB instrument optical design. Presented at: SPIE Astronomical Telescopes + Instrumentation, Montréal, Canada, 17-22 July 2022. Proceedings Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy XI; 121901V (2022). , vol.12190 SPIE, 10.1117/12.2629490

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Observations of the Cosmic Microwave Background rely on cryogenic instrumentation with cold detectors, readout, and optics providing the low noise performance and instrumental stability required to make more sensitive measurements. It is therefore critical to optimize all aspects of the cryogenic design to achieve the necessary performance, with low temperature components and acceptable system cooling requirements. In particular, we will focus on our use of thermal filters and cold optics, which reduce the thermal load passed along to the cryogenic stages. To test their performance, we have made a series of in situ measurements while integrating the third receiver for the BICEP Array telescope. In addition to characterizing the behavior of this receiver, these measurements continue to refine the models that are being used to inform design choices being made for future instruments.

Item Type: Conference or Workshop Item (Paper)
Date Type: Publication
Status: Published
Schools: Physics and Astronomy
Publisher: SPIE
Last Modified: 21 Mar 2023 11:45

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