extraordinary index

extraordinary index

[ik′strȯr·dən‚er·ē ′in‚deks]
(optics)
The index of refraction of the extraordinary wave propagating in a direction perpendicular to the optical axis of a uniaxial crystal.
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References in periodicals archive ?
The LC used in the proposed structure is an anisotropic material consisting of rod like molecules which are characterized by ordinary index no and extraordinary index [n.
Inwood contains about a hundred pages of notes and bibliography, more than twenty pages of maps and notes, sixty-six illustrations, and, finally, an extraordinary index of another fifty pages.
Thus, we assume that the degree of paracrystallinity in the direction corresponding to the extraordinary index, [Z.
We may proceed similarly in the case of the extraordinary index.
Phi])] is the rotational matrix, with [Phi], the angle between the extraordinary index and the polarization axis of the HeNe beam; [W.

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