Optomechanical design of a next generation carbon mapping hyperspectral imaging spectrometer

Lucas Shaw; Sander R. Zandbergen; Clifford Klein; Nathan Kinkaid; Riley Duren; Dustin Crumb; Megan Gibson; Eric Olds; Christopher Smith; Paul Giuliano; Justin M. Haag

doi:10.1117/12.2678750

20 October 2023 Optomechanical design of a next generation carbon mapping hyperspectral imaging spectrometer

Lucas Shaw, Sander R. Zandbergen, Clifford Klein, Nathan Kinkaid, Riley Duren, Dustin Crumb, Megan Gibson, Eric Olds, Christopher Smith, Paul Giuliano, Justin M. Haag

Author Affiliations +

Proceedings Volume 12688, Imaging Spectrometry XXVI: Applications, Sensors, and Processing; 126880A (2023) https://doi.org/10.1117/12.2678750
Event: SPIE Optical Engineering + Applications, 2023, San Diego, California, United States

Abstract

Through an innovative public-private partnership, a new generation of high-fidelity hyperspectral imaging spectrometers has been designed to pinpoint, quantify, and track methane (CH4) and carbon dioxide (CO2) point-source emissions from super-emitters to help enable reduction of greenhouse gases in the Earth’s atmosphere. Two identical instruments, built concurrently at NASA Jet Propulsion Laboratory (referred to by JPL as the Carbon Plume Mapper project, CPM) and Planet Labs as part of the Carbon Mapper Coalition, feature an identical design which comprises a glass-ceramic, three-mirror anastigmat (TMA) telescope, held in place via a composite metering structure, and Dyson form spectrometer which reduces volume and mass for a fast (F/1.8) optical system. The telescope has a focal length and cross-track field of view (FOV) of 400 mm and 2.6 deg, respectively. Operating in the 400 – 2500 nm spectral range with 5.0 nm sampling, this spectrometer design has the sensitivity and resolution required to meet the demanding needs of space-based detection and quantification of CO2 and CH4 emissions. This work describes the instruments’ optomechanical configuration.

Conference Presentation

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Lucas Shaw, Sander R. Zandbergen, Clifford Klein, Nathan Kinkaid, Riley Duren, Dustin Crumb, Megan Gibson, Eric Olds, Christopher Smith, Paul Giuliano, and Justin M. Haag "Optomechanical design of a next generation carbon mapping hyperspectral imaging spectrometer", Proc. SPIE 12688, Imaging Spectrometry XXVI: Applications, Sensors, and Processing, 126880A (20 October 2023); https://doi.org/10.1117/12.2678750

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