Replacing optical surfaces with gradient index functions which preserve ray trajectory.
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DOI: 10.1364/ol.449210
Abstract: Laws of reflection and refraction between homogeneous media and gradient index (GRIN) ray behavior are both derived from Fermat's principle. Design methods for GRIN can be difficult to analytically develop. This Letter proposes a foundation… read more here.
Keywords: index; optical surfaces; replacing optical; gradient index ... See more keywords