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A '''waveguide''' is a piece of glass that you can shine light into one part and it will come out of another part. It is useful in making glasses with optical see through displays. Waveguides are based on diffraction gratings.
A '''waveguide''' is a piece of glass that you can shine light into one part and it will come out of another part. It is useful in making glasses with optical see through displays. Waveguides are based on diffraction gratings.
+A diffractive waveguide is a piece of glass or plastic with diffraction gratings on it.
==References==
==References==
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