Detailed performance of the preliminary optical design of the Gemini multi-object infrared integral-field spectrograph

Shaojie Chen; Tristan Chabot; Olivier Lardière; Denis Brousseau; Suresh Sivanandam; Simon Thibault; Jenny Atwood; Joschua Hellemeier; Paul Hickson; Scott Chapman; Saugata Dutt; Masen Lamb; Scott Christie; Mark Barnet; Martin Tschimmel; Patrick Nkwari; Gaetano Sivo

doi:10.1117/12.2629027

29 August 2022 Detailed performance of the preliminary optical design of the Gemini multi-object infrared integral-field spectrograph

Shaojie Chen, Tristan Chabot, Olivier Lardière, Denis Brousseau, Suresh Sivanandam, Simon Thibault, Jenny Atwood, Joschua Hellemeier, Paul Hickson, Scott Chapman, Saugata Dutt, Masen Lamb, Scott Christie, Mark Barnet, Martin Tschimmel, Patrick Nkwari, Gaetano Sivo

Author Affiliations +

Proceedings Volume 12184, Ground-based and Airborne Instrumentation for Astronomy IX; 121840E (2022) https://doi.org/10.1117/12.2629027
Event: SPIE Astronomical Telescopes + Instrumentation, 2022, Montréal, Québec, Canada

Abstract

We present the detailed performance of the preliminary end-to-end optical design of GIRMOS that is designed to take advantage of the multi-object adaptive optics corrected field at the Gemini North telescope. GIRMOS’s optical design consists of object selection pick-offs, adaptive optics, and four identical Integral-Field Spectrographs (IFSes), which employ image slicers to arrange the integral field along a slit. Each IFS can image the individual FOV of 1.0x1.0”, 2.0x2.0”, 4.0x4.0” over a 2’ diameter field-of-regard at different spatial sampling. The pick-offs can also be configured in close-packed arrangement to image a single field. Spectral resolutions of R~3000 and 8000 are available in 0.95-2.4 μm.

Conference Presentation

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Shaojie Chen, Tristan Chabot, Olivier Lardière, Denis Brousseau, Suresh Sivanandam, Simon Thibault, Jenny Atwood, Joschua Hellemeier, Paul Hickson, Scott Chapman, Saugata Dutt, Masen Lamb, Scott Christie, Mark Barnet, Martin Tschimmel, Patrick Nkwari, and Gaetano Sivo "Detailed performance of the preliminary optical design of the Gemini multi-object infrared integral-field spectrograph", Proc. SPIE 12184, Ground-based and Airborne Instrumentation for Astronomy IX, 121840E (29 August 2022); https://doi.org/10.1117/12.2629027

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