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Unformatted text preview: EM waves in matter I Electromagnetic Waves and Optics 1 Electromagnetic Waves in Matter I Index of refraction Reflection Refraction Fiber optics EM waves in matter I Electromagnetic Waves and Optics 2 EM Waves in Matter dielectric constant induced charges partially screen E-field modify Maxwells Equations in matter wave equation M E K K = = E K E E / + = = = = S d E t l d B S d B t l d E S d B q S d E in in i r r r r r r r r r r r r 1 2 2 2 2 2 2 t B B t E E = = r r r r + + + + + + + + + +- - - - - - - - - - E r E r E K E / r EM waves in matter I Electromagnetic Waves and Optics 3 Index of Refraction modified phase speed define an index of refraction for most transparent materials, complications: n can be frequency-dependent complex absorption less than one...
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