Low-distortion imaging spectrometer designs utilizing convex gratings

Pantazis Z. Mouroulis

doi:10.1117/12.322062

21 September 1998 Low-distortion imaging spectrometer designs utilizing convex gratings

Pantazis Z. Mouroulis

Proceedings Volume 3482, International Optical Design Conference 1998; (1998) https://doi.org/10.1117/12.322062
Event: International Optical Design Conference, 1998, Kona, HI, United States

Abstract

Several designs are described that are based on the Offner concentric spectrometer form, with the grating formed on the convex secondary mirror. It is shown that these designs permit the reduction of spectral and spatial distortion to a small (approximately 1%) fraction of a pixel, while also providing a compact form with excellent optical correction. These designs can satisfy the needs and tight calibration requirements of imaging spectrometers for Earth remote sensing, over a broad spectral range from the ultraviolet to the thermal infrared. The practical realization of the designs owes much to the recent development of convex grating fabrication by electron-beam lithography.

Citation Download Citation

Pantazis Z. Mouroulis "Low-distortion imaging spectrometer designs utilizing convex gratings", Proc. SPIE 3482, International Optical Design Conference 1998, (21 September 1998); https://doi.org/10.1117/12.322062

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