Abstract

Diffractive (or binary) optics offers unique capabilities for the development of high- performance, low-weight optical systems for space-based sensors. The basic operating principles of diffractive optical elements along with fabrication methods suitable for production of diffractive elements for space-based applications are described. Several potential applications where diffractive optics may serve as a key technology for improving the performance and reducing the weight and cost of sensors for the Geostationary Earth Observatory will be discussed. These applications include the use of diffractive/refractive hybrid lenses for the Lightning Mapper Sensor, diffractive telescopes for narrowband imaging and subwavelength structured surfaces for antireflection and polarization control.

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