Independent control of both index and dispersion in gradient index optics

Three or more base optical materials are selectively combined into a trans-gradient index (GRIN) optical element (e.g., a lens). A wavelength-dependent index of refraction for light propagating perpendicular to the three or more optical materials equals: a volume fraction of a first optical material...

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Bibliographische Detailangaben
Hauptverfasser:	Milojkovic, Predrag, Beadie, Guy, Flynn, Richard, Shirk, James S, Mait, Joseph
Format:	Patent
Sprache:	eng
Schlagworte:	ADDITIVE MANUFACTURING TECHNOLOGY ADDITIVE MANUFACTURING, i.e. MANUFACTURING OFTHREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVEAGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING,STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING CONTACT LENSES OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS PERFORMING OPERATIONS PHYSICS PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCESIN A PLASTIC STATE SPECTACLES SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURESAS SPECTACLES TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	Three or more base optical materials are selectively combined into a trans-gradient index (GRIN) optical element (e.g., a lens). A wavelength-dependent index of refraction for light propagating perpendicular to the three or more optical materials equals: a volume fraction of a first optical material multiplied by a refractive index of the first optical material, plus a volume fraction of a second optical material multiplied by a refractive index of the second optical material, plus one minus the volume fraction of the first optical material and the volume of the second optical material all multiplied by the refractive index of a third optical material. The wavelength-dependent index of refraction distribution and a refractive index dispersion through the GRIN optical element may be independently specified from one another. A local refractive index at any point in the optical element is a fixed function of a refractive index of each individual optical material.