Magnetic hyperbolic optical metamaterials ARTICLE
... spectral region, the material dispersion becomes magnetic hyperbolic (see Fig. 3d). The branches of the hyperbola go beyond the isofrequency contour of light in air. We notice that the k-vectors with tangential components larger than |kair| are not accessible experimentally when the metamaterial is ...
... spectral region, the material dispersion becomes magnetic hyperbolic (see Fig. 3d). The branches of the hyperbola go beyond the isofrequency contour of light in air. We notice that the k-vectors with tangential components larger than |kair| are not accessible experimentally when the metamaterial is ...
Some Basics 5.1.3 Basic Wave Optics
... Step 1: A wave hitting some edge or just about anything will produce a circular wave as shown below. The effect is easily visible when looking at water waves on some relatively undisturbed water surface with obstacles. (Plane) waves hitting an obstacle as shown below thus are detectable even in "sha ...
... Step 1: A wave hitting some edge or just about anything will produce a circular wave as shown below. The effect is easily visible when looking at water waves on some relatively undisturbed water surface with obstacles. (Plane) waves hitting an obstacle as shown below thus are detectable even in "sha ...
Nonlinear Optical Effects in Photonic Crystals Abstract
... development of new optical devices. The devices possibilities for PhCs will be greatly enhanced by the addition of optical nonlinearities; such possibilities include ultra-fast all-optical switching for communications, and potentially even optical computing2-7. Usually, those researches about the en ...
... development of new optical devices. The devices possibilities for PhCs will be greatly enhanced by the addition of optical nonlinearities; such possibilities include ultra-fast all-optical switching for communications, and potentially even optical computing2-7. Usually, those researches about the en ...
Optical Instruments
... The solid B whose refractive index is to be determined is taken having two faces cut perpendicular to one another. The faces are made perfectly plane. The solid B is placed on the prism A. To bring perfect contact between the horizontal faces of A and B, a few drops of a liquiq whose refractive inde ...
... The solid B whose refractive index is to be determined is taken having two faces cut perpendicular to one another. The faces are made perfectly plane. The solid B is placed on the prism A. To bring perfect contact between the horizontal faces of A and B, a few drops of a liquiq whose refractive inde ...
Research Article Influence of Thickness on the Holographic Parameters of H-PDLC Materials
... ITO glass plates separated using glass microspheres. In order to obtain samples of the same physical thickness, a weight of 1 kg was placed over the layer for 5 minutes. As a result we obtained a probabilistic physical thickness distribution with values higher than the diameter of the microspheres u ...
... ITO glass plates separated using glass microspheres. In order to obtain samples of the same physical thickness, a weight of 1 kg was placed over the layer for 5 minutes. As a result we obtained a probabilistic physical thickness distribution with values higher than the diameter of the microspheres u ...
Graded Index Fiber
... adjacent modes, even when the fiber is exceptionally good quality and is not strained or bent by its surroundings. This mode conversion is known as mode coupling or mixing. Mode coupling analyzed using coupled mode equations from Maxwell's ...
... adjacent modes, even when the fiber is exceptionally good quality and is not strained or bent by its surroundings. This mode conversion is known as mode coupling or mixing. Mode coupling analyzed using coupled mode equations from Maxwell's ...
Fields and Waves I Lecture - Rensselaer Polytechnic Institute
... Perpendicular reflects more that Parallel. There is also an angle for which there is no reflection for ...
... Perpendicular reflects more that Parallel. There is also an angle for which there is no reflection for ...
Colorful Liquid Crys tal Fil ter Abstract Color filters are very important
... Colorful Liquid Crys tal Fil ter Abstract Color filters are very important components for optical equipment. Basically,color filters are made of high-density glass or isinglass. They can select a certain part of aspectrum before further processed.However,the transmitting spectral band is usually fix ...
... Colorful Liquid Crys tal Fil ter Abstract Color filters are very important components for optical equipment. Basically,color filters are made of high-density glass or isinglass. They can select a certain part of aspectrum before further processed.However,the transmitting spectral band is usually fix ...
Министерство высшего и среднего специального образования
... simultaneously with the trough of the other, the effects of the two waves almost cancel, while in other regions, where a crest meets a crest or a trough meets a trough, the superposition of the two waves produces a more violent disturbance than do the individual waves. Similarly, in the region where ...
... simultaneously with the trough of the other, the effects of the two waves almost cancel, while in other regions, where a crest meets a crest or a trough meets a trough, the superposition of the two waves produces a more violent disturbance than do the individual waves. Similarly, in the region where ...
Optical diffraction tomography for high resolution live cell imaging
... Refractive index serves as an important intrinsic contrast agent in visualizing nearly transparent living biological cells. Examples are phase contrast microscopy[1] and differential interference microscopy[2], which have been widely used in cell biology studies. In essence, both of techniques make ...
... Refractive index serves as an important intrinsic contrast agent in visualizing nearly transparent living biological cells. Examples are phase contrast microscopy[1] and differential interference microscopy[2], which have been widely used in cell biology studies. In essence, both of techniques make ...
Διαφάνεια 1
... Determination of cladding mode field, Ψ, by solving the scalar wave equation within a simple cell centered on one of the holes Approximation by a circle to facilitate calculations Application of boundary conditions (dΨ/ds)=0 Propagation constant of resutling fundamental mode, βfsm used in: ...
... Determination of cladding mode field, Ψ, by solving the scalar wave equation within a simple cell centered on one of the holes Approximation by a circle to facilitate calculations Application of boundary conditions (dΨ/ds)=0 Propagation constant of resutling fundamental mode, βfsm used in: ...
Dynamic measurements using a Fizeau
... The encoding process for instantaneous interferometry may be accomplished through spatial separation of the interfering beams,1,2,3,4 through the introduction of a tilt angle, as is possible in a modified Fizeau,5,6,7 or through coherence matching of two interferometers that operate in tandem.8,9 Si ...
... The encoding process for instantaneous interferometry may be accomplished through spatial separation of the interfering beams,1,2,3,4 through the introduction of a tilt angle, as is possible in a modified Fizeau,5,6,7 or through coherence matching of two interferometers that operate in tandem.8,9 Si ...
Opto-Mechanical Image Quality Degradation of Single Point
... This article discusses how to calculate optical scatter using the “optical roughness” (), tilts, and thermal effects. A major section will be informing the reader on optical scatter limitations. The equations will finally be applied to a diamond turned plastic singlet example. Approximations to Ima ...
... This article discusses how to calculate optical scatter using the “optical roughness” (), tilts, and thermal effects. A major section will be informing the reader on optical scatter limitations. The equations will finally be applied to a diamond turned plastic singlet example. Approximations to Ima ...
paper
... of this general phase factor emerges. One of their predictions is the appearance of an effective optical activity of a helically wound, single-mode optical fiber. They showed that the angle of rotation of linearly polarized light propagating down the fiber is a direct measure of Berry's phase. This ...
... of this general phase factor emerges. One of their predictions is the appearance of an effective optical activity of a helically wound, single-mode optical fiber. They showed that the angle of rotation of linearly polarized light propagating down the fiber is a direct measure of Berry's phase. This ...
Birefringence
Birefringence is the optical property of a material having a refractive index that depends on the polarization and propagation direction of light. These optically anisotropic materials are said to be birefringent (or birefractive). The birefringence is often quantified as the maximum difference between refractive indices exhibited by the material. Crystals with asymmetric crystal structures are often birefringent, as are plastics under mechanical stress.Birefringence is responsible for the phenomenon of double refraction whereby a ray of light, when incident upon a birefringent material, is split by polarization into two rays taking slightly different paths. This effect was first described by the Danish scientist Rasmus Bartholin in 1669, who observed it in calcite, a crystal having one of the strongest birefringences. However it was not until the 19th century that Augustin-Jean Fresnel described the phenomenon in terms of polarization, understanding light as a wave with field components in transverse polarizations (perpendicular to the direction of the wave vector).