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Optics in Metamaterials: Understanding Light Reflection

Explore the phenomena of total internal reflection, complex refractive index, and the Fresnel equations in polarized light interaction with metals. Learn about optical properties at different frequencies and measurable parameters.

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Optics in Metamaterials: Understanding Light Reflection

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  1. N21 < 1: faasiseosed a < ap E10/E00= E10 /E00= a > ap E10/E00 = E10 /E00= = exp(id) = exp(id)

  2. tan(d/2) tan(d/2) 3 1 3 2 2 1 3 2 1 Langev laine lineaarselt polariseeritud, asimuut 450

  3. Täielik peegeldumine ? , aga Kui n1 > n2 = x n2 z Kehtib alati Amplituud Faas Amplituud:

  4. Valguse levik neelavas keskkonnas I0 I I0/e dz z z =1/a alati! , seega Toome sisse ; arvestame - a dI  I dz Neelavas keskkonnas on murdumisnäitaja kompleksne

  5. Kompleksne murdumisnäitaja kompleksne e : faasinihe E ja H vahel 1 I0/I 105 z = l0 2 2 2 a - - a N cos( ) N sin ( ) 21 21 - || || || || E E /E /E = 10 10 00 00 2 2 2 a + - a N cos( ) N sin ( ) 21 21 - komplesne Metallid: Fresneli valemid N21 - kompleksne Polariseeritud valguse langemisel metallile on peegelduv valgus elliptiliselt polariseeritud.

  6. Metalli omadused optilistel sagedustel ja Mõõdetavad suurused: R ja d = d - d Fresneli valemitest:

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