Extreme complex refractive index

The SPR curve due to plasmon generation is extremely sensitive to variations in the refractive index and thickness of the layer at the metal-dielectric interface. During self-assembly of the EPPI molecule, the thickness and complex refractive index or dielectric for the SAM film... 

In this resin film are hundreds of interfaces or boundaries between the two resins. If the resins differ in refractive index, refraction will occur at every interface. Fig. 19 shows how light can be returned from a film by successive refractions. Reflection will also occur and by this means some of the light will be returned towards the surface of the film. It is often forgotten that diffraction will also occur at the edges of the droplets. The net effect of multiple diffractions is extremely complex it is sufficient to say that diffraction can play an important part in turning the light back towards the film surface. 

Vitreous silica has a unique set of properties. It is produced either from natural quartz by fusion or, if extreme purity is required, by chemical vapor deposition or via a sol-gel routes. Depending on the manufacturing process, variable quantities impurities are incorporated in the ppm or ppb range, such as Fe, Mg, Al, Mn, Ti, Ce, OH, Cl, and F. These impurities and radiation-induced defects, as well as complexes of impurities and defects, and also overtones, control the UV and IR transmittance. In the visible part of the spectrum, Rayleigh scattering from thermod)uiamically caused density fluctuations dominates. Defects are also responsible for the damage threshold under radiation load, and for fluorescence. The refractive index n and the absorption... 

Standard optical microscopic techniques are limited to optically thin specimens. An increased fluorophore density, a high refractive index contrast (which is a possible scenario in polymer blends) and attenuation due to the long optical path may each increase the optical density of the specimen, and this will render a sample extremely difficult (perhaps even impossible) to image using standard techniques [15]. In order to address this issue, confocal optical microscopy was developed, which combines the optical components of typical microscopy and scattering devices [16]. Although this technique is widely used in the biological sciences, the condensed matter physics community has recently started to use the technique to study the stmcture and dynamics of complex fluids. 

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