Optical element with a varying refractive index and a method...

Details Optical element with a varying refractive index and a method... Optical element with a varying refractive index and a method...

B - Operations, Transporting

29

D

26/197, 88/99

B29D 11/00 (2006.01) B29C 35/16 (2006.01)

Patent

CA 1251975

- 0 - OPTICAL ELEMENT WITH A VARYING REFRACTIVE INDEX AND A METHOD FOR ITS MANUFACTURE Abstract of the Disclosure An optical element, consisting essentially of an amorphous compound and having a varying refractive index, is prepared by introducing a melt of the material into a mold and cooling it in such a manner that the material gradually solidifies, while simultaneously applying a programmed pressure to the cooling melt. When the material is fully solidified, it possesses a refractive index gradient. An element manufactured by this method has a capacity for guiding and focusing light.

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