Optical design for Subaru Nasmyth Beam Switcher

Jessica R. Zheng; Nick Binos; Peter Gillingham; Helen McGregor; Scott Smedley; Jon Lawrence; Takashi Hattori; Yosuke Minowa; Olivier Guyon

doi:10.1117/12.2629745

29 August 2022 Optical design for Subaru Nasmyth Beam Switcher

Jessica R. Zheng, Nick Binos, Peter Gillingham, Helen McGregor, Scott Smedley, Jon Lawrence, Takashi Hattori, Yosuke Minowa, Olivier Guyon

Author Affiliations +

Proceedings Volume 12182, Ground-based and Airborne Telescopes IX; 121823E (2022) https://doi.org/10.1117/12.2629745
Event: SPIE Astronomical Telescopes + Instrumentation, 2022, Montréal, Québec, Canada

Conference Poster

Abstract

Subaru Nasmyth Beam-Switcher (SNBS) is an instrument designed for Nasmyth platform at Subaru telescope. It is a relay optics system which switches the light downstream of AO188 and LTAO to multiple instruments and allow multiple instruments work simultaneously with Subaru Coronagraphic Extreme Adaptive Optics system (SCExAO). The design has been completed and is now in building phase. The instrument working wavelength range is from 0.5μm to 5.3μm with field of view of 75 arcsecs in diameter. In this paper, we present its optical design and performance at different exit bays with various adaptive optics (AO) configurations. The wavefront at SCExAO bay is investigated. Tolerance and thermal performance of the switcher is also presented.

Citation Download Citation

Jessica R. Zheng, Nick Binos, Peter Gillingham, Helen McGregor, Scott Smedley, Jon Lawrence, Takashi Hattori, Yosuke Minowa, and Olivier Guyon "Optical design for Subaru Nasmyth Beam Switcher", Proc. SPIE 12182, Ground-based and Airborne Telescopes IX, 121823E (29 August 2022); https://doi.org/10.1117/12.2629745

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