Diffractive optics technology and the NASA Geostationary Earth Observatory (GEO)

Details Diffractive optics technology and the NASA Geostationary Earth Observatory (GEO) Diffractive optics technology and the NASA Geostationary Earth Observatory (GEO)

Jul 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992rpc..rept.....m&link_type=abstract

Final Report Rochester Photonics Corp., Fairport, NY.

Physics

Optics

Aberration, Diffraction, Imaging Techniques, Lenses, Observatories, Optics, Spectrometers, Telescopes, Weight Reduction, Binary Data, Costs, Monitors, Narrowband

Scientific paper

Diffractive (or binary) optics offers unique capabilities for the development of large-aperture, high-performance, light-weight optical systems. The Geostationary Earth Observatory (GEO) will consist of a variety of instruments to monitor the environmental conditions of the earth and its atmosphere. The aim of this investigation is to analyze the design of the GEO instrument that is being proposed and to identify the areas in which diffractive (or binary) optics technology can make a significant impact in GEO sensor design. Several potential applications where diffractive optics may indeed serve as a key technology for improving the performance and reducing the weight and cost of the GEO sensors have been identified. Applications include the use of diffractive/refractive hybrid lenses for aft-optic imagers, diffractive telescopes for narrowband imaging, subwavelength structured surfaces for anti-reflection and polarization control, and aberration compensation for reflective imaging systems and grating spectrometers.

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