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Astrophysics > Instrumentation and Methods for Astrophysics

arXiv:2406.13854 (astro-ph)
[Submitted on 19 Jun 2024]

Title:Overview of the Optical Design of the CMB-S4 Large Aperture Telescopes and Camera Optics

Authors:Patricio A. Gallardo, Kathleen Harrington, Roberto Puddu, Bradford Benson, John Carlstrom, Nick Emerson, Jeff McMahon, Tyler Natoli, Johanna M. Nagy, Michael D. Niemack, John Ruhl
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Abstract:CMB-S4, the next-generation CMB observatory, will deploy hundreds of thousands of detectors to enable mapping the millimeter-wavelength sky with unprecedented speed. The large aperture telescopes for CMB-S4 consist of six-meter diameter crossed Dragone designs and a five-meter diameter three-mirror anastigmat. The two-mirror crossed Dragone design requires astigmatism corrections in the refractive optics to achieve diffraction-limited performance. We present biconic lens corrections for the CMB-S4 crossed Dragone camera optics and compare these designs to the camera optics for the three mirror anastigmat, as the optical designs of the cameras for these telescopes are being prototyped.
Subjects: Instrumentation and Methods for Astrophysics (astro-ph.IM)
Cite as: arXiv:2406.13854 [astro-ph.IM]
  (or arXiv:2406.13854v1 [astro-ph.IM] for this version)
  https://doi.org/10.48550/arXiv.2406.13854

Submission history

From: Patricio Gallardo [view email]
[v1] Wed, 19 Jun 2024 21:29:37 UTC (7,042 KB)
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