منابع مشابه
2231 Brewster angle microscopy
Purpose: The established methods for observing the morghnl-og;i nF the teer film a=~ based on ;nierfrrenc~ techniques. Since interference patterns are visible only in e pathologically thickened tear film, these techniques are not useful for the physiological tear film morphology. Methods: A ne;.approach is Brewster Angle Microscopy n-which allows the studv of ultra-thin films. In ophthalmology ...
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In this paper, we analyze the transmission properties of metallic gratings at optical frequencies. In particular, we show that an inherently ultra-broadband tunneling mechanism may be obtained based on impedance matching between the guided modes supported by ultranarrow slits and freespace TM plane waves impinging at an oblique angle. This phenomenon is the analogous of the well-known Brewster ...
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The ability to tailor the structure, composition and mechanical properties of surfactant films at solid-air and liquid-air interfaces is of considerable technological importance. Our group and others have been investigating properties of mixed monolayer films comprised of hydrogenated and perfluorinated surfactants through a variety of microscopy imaging techniques. These monolayers films are o...
متن کاملBrewster angle with a negative-index material.
The demonstration and confirmation of metamaterials with simultaneous negative permittivity and permeability, and thus a negative refractive index, has resulted in a surge of interest in the reflection and refraction phenomena at the interfaces of these so-called negative-index materials (NIMs). We present a systematic study of the Brewster angle, i.e., the angle of incidence at which no reflec...
متن کاملMolecular layers of a polymer at the free water surface : microscopy at the Brewster angle
A recently developed microscope, allowing the visualization of monolayers at liquid surfaces without the addition of fluorescent molecules, is used to study molecular layers of a polymer, poly(dimethylsiloxane), on water. Coexistence of domains of different surface density is observed, both at low concentrations and at concentrations above collapse. Small isolated domains are circular ; charact...
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ژورنال
عنوان ژورنال: Vision Research
سال: 1995
ISSN: 0042-6989
DOI: 10.1016/0042-6989(95)90173-6