Simons Observatory HoloSim-ML: machine learning applied to the efficient analysis of radio holography measurements of complex optical systems

Simons Observatory HoloSim-ML : machine learning applied to the efficient analysis of radio holography measurements of complex optical systems

Near-field radio holography is a common method for measuring and aligning mirror surfaces for millimeter and sub-millimeter telescopes. In instruments with more than a single mirror, degeneracies arise in the holography measurement, requiring multiple measurements and new fitting methods. We present HoloSim-ML, a Python code for beam simulation and analysis of radio holography data from complex optical systems. This code uses machine learning to efficiently determine the position of hundreds of mirror adjusters on multiple mirrors with few micrometer accuracy. We apply this approach to the example of the Simons Observatory 6 m telescope.

Adler, Alexandre Erwin RaphaëlStockholms universitet,Fysikum,Oskar Klein-centrum för kosmopartikelfysik (OKC)(Swepub:su)alad3130 (author)
Cothard, Nicholas F. (author)
Dachlythra, NadiaStockholms universitet,Fysikum,Oskar Klein-centrum för kosmopartikelfysik (OKC)(Swepub:su)koda4949 (author)
Gallardo, Patricio A. (author)
Gudmundsson, Jón E.Stockholms universitet,Fysikum,Oskar Klein-centrum för kosmopartikelfysik (OKC)(Swepub:su)jgudm (author)
Johnson, Bradley R. (author)
Limon, Michele (author)
McMahon, Jeff (author)
Nati, Federico (author)
Niemack, Michael D. (author)
Puglisi, Giuseppe (author)
Simon, Sara M. (author)
Wollack, Edward J. (author)
Wolz, Kevin (author)
Xu, Zhilei (author)
Zhu, Ningfeng (author)
Stockholms universitetFysikum (creator_code:org_t)

By the author/editor: Chesmore, Grace ...; Adler, Alexandre ...; Cothard, Nichola ...; Dachlythra, Nadi ...; Gallardo, Patric ...; Gudmundsson, Jón ...; show more...; Johnson, Bradley ...; Limon, Michele; McMahon, Jeff; Nati, Federico; Niemack, Michael ...; Puglisi, Giusepp ...; Simon, Sara M.; Wollack, Edward ...; Wolz, Kevin; Xu, Zhilei; Zhu, Ningfeng; show less...

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