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 Martinez Rey, Nicholas Herrald, Celine D'Orgeville, Francois Rigaut, Israel Vaughn, David Chandler, Dionne Haynes, Warrick Schofield

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

3 Citations (Scopus)

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.

Original languageEnglish
Title of host publicationAdaptive Optics Systems VIII
EditorsLaura Schreiber, Dirk Schmidt, Elise Vernet
PublisherSPIE
Pages1-14
Number of pages14
Volume12185
ISBN (Electronic)9781510653511
DOIs
Publication statusPublished - 2022
EventAdaptive Optics Systems VIII 2022 - Montreal, Canada
Duration: 17 Jul 202222 Jul 2022

Publication series

NameProceedings of SPIE - The International Society for Optical Engineering
Volume12185
ISSN (Print)0277-786X
ISSN (Electronic)1996-756X

Conference

ConferenceAdaptive Optics Systems VIII 2022
Country/TerritoryCanada
CityMontreal
Period17/07/2222/07/22

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