1 June 2007 Optical design of a compact imaging spectrometer for planetary mineralogy
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Abstract
We present the design of a compact, wide-angle pushbroom imaging spectrometer suitable for exploration of solar system bodies from low orbit. The spectrometer is based on a single detector array with a broadband response that covers the range 400 to 3000 nm and provides a spectral sampling of 10 nm. The telescope has a 24-deg field of view with 600 spatially resolved elements (detector pixels). A specially designed convex diffraction grating permits optimization of the signal-to-noise ratio through the entire spectral band. Tolerances and design parameters permit the achievement of high uniformity of response through field and wavelength. The spectrometer performance is evaluated in terms of predicted spectral and spatial response functions and from the point of view of minimizing their variation through field and wavelength. The design serves as an example for illustrating the design principles specific to this type of system.
© (2007) Society of Photo-Optical Instrumentation Engineers (SPIE)
Pantazis Z Mouroulis, Pantazis Z Mouroulis, R. Glenn Sellar, R. Glenn Sellar, Daniel W. Wilson, Daniel W. Wilson, James J. Shea, James J. Shea, Robert O. Green, Robert O. Green, } "Optical design of a compact imaging spectrometer for planetary mineralogy," Optical Engineering 46(6), 063001 (1 June 2007). https://doi.org/10.1117/1.2749499 . Submission:
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