We describe an effort to reduce the time required for near field scattering measurements by using an array of near field probes to replace the single probe that is conventionally used. An array of near field probes introduces technical problems. Coupling between the array and the scattering body may introduce errors in the near field measurements by perturbing the plane wave induced currents on the body. Mutual coupling between the ...
A novel spectral imaging sensor based on dual direct vision prisms is described. The prisms project a spectral image onto the focal plane array of an infrared camera. The prism set is rotated on the camera axis and the resulting spectral information is extracted as an image cube(x, y, 1), using tomographic techniques. The sensor resolves more than 40 spectral bands (channels) at wavelengths between 1.2 microns and 2.5 microns ...
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