Compact Jones calibration source for next generation Earth observation imaging satellites in the VNIR, SWIR, and MWIR: the improved radiometric calibration of imaging systems (IRIS) high-performance integrated flat illuminator (HIFI)

Brandon Russell; Dan Scharpf; Christopher Durell; Luke Dobrowski; John Schlaerth

doi:10.1117/12.2675572

4 October 2023 Compact Jones calibration source for next generation Earth observation imaging satellites in the VNIR, SWIR, and MWIR: the improved radiometric calibration of imaging systems (IRIS) high-performance integrated flat illuminator (HIFI)

Brandon Russell, Dan Scharpf, Christopher Durell, Luke Dobrowski, John Schlaerth

Author Affiliations +

Proceedings Volume 12685, Earth Observing Systems XXVIII; 1268503 (2023) https://doi.org/10.1117/12.2675572
Event: SPIE Optical Engineering + Applications, 2023, San Diego, California, United States

Abstract

In partnership with Raytheon Intelligence and Space, Labsphere Inc. has been developing a technology demonstration system for a new type of on-board absolute radiometric calibration source. The Improved Radiometric Calibration of Imaging Systems (IRIS) addresses the need for reduced risk, cost, size, and mass for next generation Earth Observation (EO) satellites through paired onboard and vicarious calibration methods. In particular, the IRIS High-performance Integrated Flat Illuminator (HIFI) is a compact, combined VISNIR and SWIR (0.4 – 2.3μm), and MWIR-LWIR (3-14μm) Jones radiance source. Funded by the NASA Earth Science Technology Office (Grant to Raytheon #80NSSC20K1676), the IRIS Technology Demonstration Unit currently under test successfully meets significant program specifications for radiance, stability, adjustability, uniformity, and polarization. Development is ongoing to further improve system performance and achieve space flight qualification. This type of new technology additionally may provide a path to on-board calibration for small satellite architectures.

Conference Presentation

(2023) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Brandon Russell, Dan Scharpf, Christopher Durell, Luke Dobrowski, and John Schlaerth "Compact Jones calibration source for next generation Earth observation imaging satellites in the VNIR, SWIR, and MWIR: the improved radiometric calibration of imaging systems (IRIS) high-performance integrated flat illuminator (HIFI)", Proc. SPIE 12685, Earth Observing Systems XXVIII, 1268503 (4 October 2023); https://doi.org/10.1117/12.2675572

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