Enhancing the optical characteristics of a gemstone
First Claim
Patent Images
1. A gemstone comprising:
- a gemstone body; and
a diffractive optical element patterned on or in said gemstone body, said diffractive optical element comprising a two-dimensionally periodic or quasi-periodic array of separate diffractive features spaced with respect to each other to diffract visible light.
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Accused Products
Abstract
Various embodiments described herein comprise a gemstone or other piece of jewelry, which incorporates one or more diffractive optical elements to enhance the fire displayed by the gemstone. In certain embodiments, the diffractive optical element comprises a diffraction grating etched on one or more facets of the gemstone.
29 Citations
34 Claims
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1. A gemstone comprising:
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a gemstone body; and a diffractive optical element patterned on or in said gemstone body, said diffractive optical element comprising a two-dimensionally periodic or quasi-periodic array of separate diffractive features spaced with respect to each other to diffract visible light. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34)
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Specification