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Double refraction

Double refraction

(Science: microscopy) The refraction of light in two slightly different directions to form two rays or vector components. Each ray is polarized, and their vibration directions are perpendicular to each other. Furthermore, each ray has a different velocity, and therefore a different refractive index.

See: birefringence.


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... a DNA molecule. When two complementary strands come together to form a double helix, the bases recognize each other and pair up in a wholly predictable ... microscopy5, 6, 7, surface plasmonics8, 9, 10, 11 and negative index of refraction materials12, 13, 14, 15, 16, is governed by strongly localized ...

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