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-Sánchez; Stephanos Yerolatsitis; Julien Lozi; Tim A. Birks; Sébastien 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

doi:10.1117/12.2560626

13 December 2020 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-Sánchez, Stephanos Yerolatsitis, Julien Lozi, Tim A. Birks, Sébastien 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

Author Affiliations +

Proceedings Volume 11451, Advances in Optical and Mechanical Technologies for Telescopes and Instrumentation IV; 114516Y (2020) https://doi.org/10.1117/12.2560626
Event: SPIE Astronomical Telescopes + Instrumentation, 2020, Online Only

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.

Conference Presentation

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Theodoros Anagnos, Pascal Maier, Philipp Hottinger, Christopher H. Betters, Tobias Feger, Sergio G. Leon-Saval, Itandehui Gris-Sánchez, Stephanos Yerolatsitis, Julien Lozi, Tim A. Birks, Sébastien 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, and Andreas Quirrenbach "An innovative integral field unit upgrade with 3D-printed micro-lenses for the RHEA at Subaru", Proc. SPIE 11451, Advances in Optical and Mechanical Technologies for Telescopes and Instrumentation IV, 114516Y (13 December 2020); https://doi.org/10.1117/12.2560626

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