Optical design of wide swath hyperspectral imager

Yueming Wang; Liyin Yuan; Jianyu Wang

doi:10.1117/12.2048900

28 May 2014 Optical design of wide swath hyperspectral imager

Yueming Wang, Liyin Yuan, Jianyu Wang

Proceedings Volume 9104, Spectral Imaging Sensor Technologies: Innovation Driving Advanced Application Capabilities; 910404 (2014) https://doi.org/10.1117/12.2048900
Event: SPIE Sensing Technology + Applications, 2014, Baltimore, MD, United States

Abstract

This paper describes a design concept for wide swath hyperspectral imager. The challenge is to meet the requirement of good image quality and high precision registration from 400nm to 2500nm. A new type spherical prism imaging spectrometer is presented in the paper. The swath of system can reach 60 kilometer from a 600km sun-synchronous orbit with 30 meter ground sample distance (GSD). The optical system consists of a TMA objective and 2 30mm-slit spherical prism spectrometer operating both VNIR and SWIR. Key features of the design include (1) high signal to noise ratio for high efficiency of F-silica prism; (2) high precision band registration for same spectrometer operating from 400nm to 2500nm.

Citation Download Citation

Yueming Wang, Liyin Yuan, and Jianyu Wang "Optical design of wide swath hyperspectral imager", Proc. SPIE 9104, Spectral Imaging Sensor Technologies: Innovation Driving Advanced Application Capabilities, 910404 (28 May 2014); https://doi.org/10.1117/12.2048900

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