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An innovative integral field unit upgrade with 3D-printed micro-lenses for the RHEA at Subaru

  • Theodoros Anagnos*
  • , Pascal Maier
  • , Philipp Hottinger
  • , Christopher H. Betters
  • , Tobias Feger
  • , Sergio G. Leon-Saval
  • , Itandehui Gris-Sanchez
  • , Stephanos Yerolatsitis
  • , Julien Lozi
  • , Tim A. Birks
  • , Sebastien Vievard
  • , Nemanja Jovanovic
  • , Adam D. Rains
  • , Michael J. Ireland
  • , Robert J. Harris
  • , Blaise C. Kuo Tiong
  • , Olivier Guyon
  • , Barnaby Norris
  • , Sebastiaan Y. Haffert
  • , Matthias Blaicher
  • Yulin Xu, Moritz Straub, Jörg Uwe Pott, Oliver Sawodny, Philip L. Neureuther, David W. Coutts, Christian Schwab, Christian Koos, Andreas Quirrenbach
*Corresponding author for this work

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

3 Citations (Scopus)

Abstract

In the new era of Extremely Large Telescopes (ELTs) currently under construction, challenging requirements drive spectrograph designs towards techniques that efficiently use a facility's light collection power. Operating in the single-mode (SM) regime, close to the diffraction limit, reduces the footprint of the instrument compared to a conventional high-resolving power spectrograph. The custom built injection fiber system with 3D-printed microlenses on top of it for the replicable high-resolution exoplanet and asteroseismology spectrograph (RHEA) at Subaru in combination with extreme adaptive optics of SCExAO, proved its high efficiency in a lab environment, manifesting up to ∼77% of the theoretical predicted performance.

Original languageEnglish
Title of host publicationAdvances in Optical and Mechanical Technologies for Telescopes and Instrumentation IV
EditorsRamon Navarro, Roland Geyl
PublisherSPIE
ISBN (Electronic)9781510636897
DOIs
Publication statusPublished - 2020
Externally publishedYes
EventAdvances in Optical and Mechanical Technologies for Telescopes and Instrumentation IV 2020 - Virtual, Online, United States
Duration: 14 Dec 202022 Dec 2020

Publication series

NameProceedings of SPIE - The International Society for Optical Engineering
Volume11451
ISSN (Print)0277-786X
ISSN (Electronic)1996-756X

Conference

ConferenceAdvances in Optical and Mechanical Technologies for Telescopes and Instrumentation IV 2020
Country/TerritoryUnited States
CityVirtual, Online
Period14/12/2022/12/20

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