10 November 2003 Wide-field-of-view imaging spectrometer (WFIS) engineering model laboratory tests and field demonstrations
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The Wide Field-of View Imaging Spectrometer (WFIS) is a patented optical design allowing horizon to horizon imaging of the earth and earth’s atmosphere in the pushbroom-imaging mode from an aircraft or space platform. The design couples a fast, F/2.8, unobstructed all reflective telescope to an all-reflective three element imaging spectrometer using a unique field coupling mirror arrangement. Early laboratory demonstrations of the technology covered fields of view exceeding 70 degrees. The latest instrument, the incubator WFIS, demonstrate the field of view can be extended to 120 degrees. This paper summarizes the current ongoing work with the engineering model WFIS covering this field of view and a spectral range from 360 nm to 1000 nm. Also presented are the results of the latest laboratory and field demonstrations. The paper also identifies specific applications the technology is now addressing.
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Robert E. Haring, Robert E. Haring, Randy Pollock, Randy Pollock, Richard M. Cross, Richard M. Cross, } "Wide-field-of-view imaging spectrometer (WFIS) engineering model laboratory tests and field demonstrations", Proc. SPIE 5152, Infrared Spaceborne Remote Sensing XI, (10 November 2003); doi: 10.1117/12.503596; https://doi.org/10.1117/12.503596

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