Telescope lens design for Terzina payload

Giuseppe Crescenzio; Alessandro Scudeler; Andrea Cecconello; Andrea Turella; Enrico Tessarolo; Lorenzo Iannascoli; Simone Caretta

doi:10.1117/12.3018776

23 August 2024 Telescope lens design for Terzina payload

Giuseppe Crescenzio, Alessandro Scudeler, Andrea Cecconello, Andrea Turella, Enrico Tessarolo, Lorenzo Iannascoli, Simone Caretta

Author Affiliations +

Proceedings Volume 13092, Space Telescopes and Instrumentation 2024: Optical, Infrared, and Millimeter Wave; 130926Y (2024) https://doi.org/10.1117/12.3018776
Event: SPIE Astronomical Telescopes + Instrumentation, 2024, Yokohama, Japan

Conference Poster

Abstract

The payload Terzina is one of the two payloads on board the mission NUSES. NUSES is a space mission pathfinder for the study of high and low energy radiations, enabling new sensors, tools and methodologies. The NUSES satellite hosts two payloads: • Zirè: Monitor of protons and electrons flux variations (E<250 MeV); • Terzina: Path-finder missions for high energy (E>1 PeV) detection: Astrophysical neutrinos and cosmic rays will be detected from space using the atmospheric Cherenkov radiation. Requirements frequently become challenges when they must be traded off to resolve optimization conflicts. The very large Field of View (FoV), the requested compact design and the large collection area are in contrast with need for stray light optimization. The peculiar application forbids the presence of a flattener close to the focal plane, to avoid false Cherenkov events generated in the glass bulk. This fights the request of a flat focal plane. Large spectral bandwidth crossing the spectral range of the light pollution sources band drives the coating optimization. This paper will explain the logical trade-off procedure used to determine the optimum compromise solution for Terzina success.

Citation Download Citation

Giuseppe Crescenzio, Alessandro Scudeler, Andrea Cecconello, Andrea Turella, Enrico Tessarolo, Lorenzo Iannascoli, and Simone Caretta "Telescope lens design for Terzina payload", Proc. SPIE 13092, Space Telescopes and Instrumentation 2024: Optical, Infrared, and Millimeter Wave, 130926Y (23 August 2024); https://doi.org/10.1117/12.3018776

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