A new integral field spectrograph for broadband coronagraph demonstrations at the high contrast imaging testbed facility

Neil T. Zimmerman; Qian Gong; Jacob Rosenthal; Tyler D. Groff; Michael W. McElwain; Garreth J. Ruane; Paul E. Nikulla; Roser Juanola-Parramon; Jorge Llop-Sayson; Matthew R. Noyes; Camilo Mejia Prada; Nicholas Seigler

doi:10.1117/12.3020477

25 September 2024 A new integral field spectrograph for broadband coronagraph demonstrations at the high contrast imaging testbed facility

Neil T. Zimmerman, Qian Gong, Jacob Rosenthal, Tyler D. Groff, Michael W. McElwain, Garreth J. Ruane, Paul E. Nikulla, Roser Juanola-Parramon, Jorge Llop-Sayson, Matthew R. Noyes, Camilo Mejia Prada, Nicholas Seigler

Author Affiliations +

Proceedings Volume 13092, Space Telescopes and Instrumentation 2024: Optical, Infrared, and Millimeter Wave; 1309262 (2024) https://doi.org/10.1117/12.3020477
Event: SPIE Astronomical Telescopes + Instrumentation, 2024, Yokohama, Japan

Abstract

An integral field spectrograph (IFS) camera may help fulfill the exoplanet characterization goals of a future Habitable Worlds Observatory. The Roman Space Telescope Coronagraph Instrument Project established the laboratory performance baseline of a combined coronagraph and IFS system with the Prototype Imaging Spectrograph for Coronagraphic Exoplanet Studies (PISCES). New demonstrations are needed to expand on this milestone in terms of contrast, bandwidth, and field of view towards the requirements of the next flagship mission. Here we present the design of a successor to PISCES that can observe a 20 lambda/D field of view with a 30% instantaneous bandwidth at visible wavelengths with a resolving power of 70. The instrument will interface with the coronagraph on the Decadal Survey Testbed 2 located in the High Contrast Imaging Testbed 2 vacuum chamber at NASA's Jet Propulsion Laboratory, to support demonstrations of broadband wavefront sensing and control and data post-processing techniques.

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Neil T. Zimmerman, Qian Gong, Jacob Rosenthal, Tyler D. Groff, Michael W. McElwain, Garreth J. Ruane, Paul E. Nikulla, Roser Juanola-Parramon, Jorge Llop-Sayson, Matthew R. Noyes, Camilo Mejia Prada, and Nicholas Seigler "A new integral field spectrograph for broadband coronagraph demonstrations at the high contrast imaging testbed facility", Proc. SPIE 13092, Space Telescopes and Instrumentation 2024: Optical, Infrared, and Millimeter Wave, 1309262 (25 September 2024); https://doi.org/10.1117/12.3020477

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