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Optical-frequency electromagnetic waves confined within an optical waveguide, a structure designed to carry such waves from one place to another...


= Encyclopedia Article; = Research Update
Figure 1.Total internal reflection. (a) Geometry of reflection at the plane interface between two media. (b) Light trapped by total internal reflection in a planar optical waveguide of thickness h and refractive index n1. Refractive indices of boundary media, n2 and n3, are less than n1.
From Encyclopedia article 'Optical guided waves'
Figure 2.Electric field distributions for the three lowest-order modes of a planar optical waveguide of thickness h= 1.5 µm. Electric field magnitudes are plotted as functions of the x coordinate in Fig. 1b for an arbitrary, fixed value of z. (a) Mode m= 0. (b) m= 1. (c) m= 2.
From Encyclopedia article 'Optical guided waves'
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