In the past decades, hyperspectral imaging technologies was well developed in the whole world. Visible and Near Infrared hyperspectral imagers play an important role in agriculture, land use, forestry, etc. Higher performance airborne hyperspectral imagery is strongly expected these years. Wider Field of View and higher resolution instrument can acquire data more efficiently. A VNIR PHI with 40 degree FOV, 0.125mrad IFOV, 256bands was integrated last year. The system can adapt to the Velocity to Height Ratio lower than 0.04. The system consists of 3 subsystems. Every subsystem consists of TMA fore optics, spectrometer with planar blazed grating and electronics. The 3 subsystems work for left, middle, right FOV, respectively. Thanks to CCD’s pixel binning function, the system can operate in high spectral resolution mode, high spatial resolution mode, and high sensitivity mode for different applications. The integration was finished, and airborne flight validation experiments were conducted.
Yanan Yu, Yueming Wang, Liyin Yuan, Shengwei Wang, Ding Zhao, and Jianyu Wang, "Wide field of view visible and near infrared pushbroom airborne hyperspectral imager," Proc. SPIE 10624, Infrared Technology and Applications XLIV, 106240D (Presented at SPIE Defense + Security: April 16, 2018; Published: 18 June 2018); https://doi.org/10.1117/12.2305253.
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