Overview of the optomechanical design of the LUVOIR instruments

James Corsetti; Matthew Bolcar; Julie Crooke; Brian Fleming; Kevin France; Joseph Generie; Qian Gong; Tyler Groff; Jason Hylan; Andrew Jones; Lia Sacks; Garrett West; Kan Yang; Neil Zimmerman

doi:10.1117/12.2530695

9 September 2019 Overview of the optomechanical design of the LUVOIR instruments

James Corsetti, Matthew Bolcar, Julie Crooke, Brian Fleming, Kevin France, Joseph Generie, Qian Gong, Tyler Groff, Jason Hylan, Andrew Jones, Lia Sacks, Garrett West, Kan Yang, Neil Zimmerman

Author Affiliations +

Proceedings Volume 11115, UV/Optical/IR Space Telescopes and Instruments: Innovative Technologies and Concepts IX; 111150X (2019) https://doi.org/10.1117/12.2530695
Event: SPIE Optical Engineering + Applications, 2019, San Diego, California, United States

Abstract

The Large Ultraviolet/Optical/Infrared Surveyor (LUVOIR) is a large-scale space telescope being submitted for review to the 2020 Decadal Survey in Astronomy and Astrophysics. Its science objectives include both direct imaging and spectral characterization of habitable exoplanets around sun-like stars, the study of planet, star, and galaxy formation, the transfer of matter between different galaxies, and the remote sensing of objects within the Solar System. Two architectures have been designed: a 15 m diameter on-axis telescope (LUVOIR-A) and an 8 m off-axis telescope (LUVOIR-B). This paper discusses the opto-mechanical design of the three LUVOIR instruments: the High Definition Imager (HDI), the LUVOIR UV Multi-object Spectrograph (LUMOS), and the Extreme Coronagraph for Living Planetary Systems (ECLIPS). For both the LUVOIR-A and LUVOIR-B variants of each instrument, optical design specifications are presented including first-order constraints, packaging requirements, and optical performance metrics. These factors are used to illustrate the final design of each instrument and LUVOIR as a whole. While it is desirable to have the two variants of each instrument be as similar to one another as possible to reduce engineering design time, this was not possible in a number of instances which are described in this paper along with the resulting tradeoffs. In addition to the optical designs, mechanical models are presented for each instrument showing the optical mounts, mechanisms, support structure, etc.

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James Corsetti, Matthew Bolcar, Julie Crooke, Brian Fleming, Kevin France, Joseph Generie, Qian Gong, Tyler Groff, Jason Hylan, Andrew Jones, Lia Sacks, Garrett West, Kan Yang, and Neil Zimmerman "Overview of the optomechanical design of the LUVOIR instruments", Proc. SPIE 11115, UV/Optical/IR Space Telescopes and Instruments: Innovative Technologies and Concepts IX, 111150X (9 September 2019); https://doi.org/10.1117/12.2530695

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