Optical design of the wavefront sensing in the ULTIMATE-Subaru Ground Layer Adaptive Optics system

Yoko Tanaka; Yosuke Minowa; Yoshito Ono; Koki Terao; Hiroshige Yoshida; Masayuki Akiyama; Noelia Martínez Rey; Nicholas Herrald; Céline d'Orgeville; François Rigaut; Israel Vaughn; David Chandler; Dionne Haynes; Warrick Schofield

doi:10.1117/12.2629581

29 August 2022 Optical design of the wavefront sensing in the ULTIMATE-Subaru Ground Layer Adaptive Optics system

Yoko Tanaka, Yosuke Minowa, Yoshito Ono, Koki Terao, Hiroshige Yoshida, Masayuki Akiyama, Noelia Martínez Rey, Nicholas Herrald, Céline d'Orgeville, François Rigaut, Israel Vaughn, David Chandler, Dionne Haynes, Warrick Schofield

Author Affiliations +

Proceedings Volume 12185, Adaptive Optics Systems VIII; 121856M (2022) https://doi.org/10.1117/12.2629581
Event: SPIE Astronomical Telescopes + Instrumentation, 2022, Montréal, Québec, Canada

Conference Poster

Abstract

ULTIMATE-Subaru (Ultra-wide Laser Tomographic Imager and MOS with AO Transcendent Exploration) is the next-generation development project of the Subaru Telescope in Hawaii, U.S.A. Ground Layer Adaptive Optics (GLAO) technology corrects atmospheric turbulence near the ground and improves the star image to realize wider fields of view (14 x 14 arcmin) than conventional adaptive optics can do. In the GLAO system, the laser launch system emits four lasers of up to 20 minutes of asterism, then these four lasers excite four artificial stars from 80km to 200km in the sky. The wavefront sensor (WFS) system observes them and corrects atmospheric turbulence. The WFS system also utilizes four natural stars outside the science field of view as well. This paper presents the preliminary optical design of the WFS system.

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Yoko Tanaka, Yosuke Minowa, Yoshito Ono, Koki Terao, Hiroshige Yoshida, Masayuki Akiyama, Noelia Martínez Rey, Nicholas Herrald, Céline d'Orgeville, François Rigaut, Israel Vaughn, David Chandler, Dionne Haynes, and Warrick Schofield "Optical design of the wavefront sensing in the ULTIMATE-Subaru Ground Layer Adaptive Optics system", Proc. SPIE 12185, Adaptive Optics Systems VIII, 121856M (29 August 2022); https://doi.org/10.1117/12.2629581

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