Infrared (IR) transmitting graded index (GRIN) optical elements and method for making same

The present invention is directed to a method for making infrared transmitting graded index optical elements by selecting at least two different infrared-transmitting materials, each with a different refractive index, having similar thermo-viscous behavior; assembling the infrared-transmitting mater...

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Bibliographic Details
Main Authors Scribner, Dean A, Gibson, Daniel J, Sanghera, Jasbinder S, Villalobos, Guillermo R, Aggarwal, Ishwar D
Format Patent
LanguageEnglish
Published 23.06.2020
Subjects
CHEMISTRY
GLASS
MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
METALLURGY
MINERAL OR SLAG WOOL
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Summary:The present invention is directed to a method for making infrared transmitting graded index optical elements by selecting at least two different infrared-transmitting materials, each with a different refractive index, having similar thermo-viscous behavior; assembling the infrared-transmitting materials into a stack comprising one or more layers of each infrared-transmitting material resulting in the stack having a graded index profile; and forming the stack into a desired shape. Also disclosed is the related optical element made by this method.
Bibliography:Application Number: US201213370485