Band gap characterization and slow light effects in
... have been characterized and their photonic band-gap structure analyzed. The optimal geometry has been further used to realize a coupled resonator optical waveguide (CROW). A first optimization of these CROW devices shows a group velocity of more than c/10 at 1.55 μ m. Full three dimensional calculat ...
... have been characterized and their photonic band-gap structure analyzed. The optimal geometry has been further used to realize a coupled resonator optical waveguide (CROW). A first optimization of these CROW devices shows a group velocity of more than c/10 at 1.55 μ m. Full three dimensional calculat ...
Optical design of reflectionless complex media by
... difficult to synthesize using conventional materials, artificially structured metamaterials offer a practical approach for the realization of transformation optical designs, given their ability to support a much wider and controllable range of electric and magnetic responses. A metamaterial version ...
... difficult to synthesize using conventional materials, artificially structured metamaterials offer a practical approach for the realization of transformation optical designs, given their ability to support a much wider and controllable range of electric and magnetic responses. A metamaterial version ...
1 L5: Diffraction L5 DIFFRACTION Objectives Aims From this
... known as Fresnel diffraction, can be mathematically very complex. However, calculations are greatly simplified if both the source and the screen are at very large distances from the aperture (i.e. if those distances are much greater than the diameter of the aperture). We will deal quantitatively onl ...
... known as Fresnel diffraction, can be mathematically very complex. However, calculations are greatly simplified if both the source and the screen are at very large distances from the aperture (i.e. if those distances are much greater than the diameter of the aperture). We will deal quantitatively onl ...
The Theory of the Rainbow
... in the same direction. In the time of Descartes and Newton these two contributions to the scattered intensity could be handled only by sim ple addition. As a result the predicted intensity falls off smoothly with devia tion from the rainbow angle. with no trace of supernumerary arcs. Actually the ...
... in the same direction. In the time of Descartes and Newton these two contributions to the scattered intensity could be handled only by sim ple addition. As a result the predicted intensity falls off smoothly with devia tion from the rainbow angle. with no trace of supernumerary arcs. Actually the ...
Experimental observation of speckle instability in Kerr random
... beam at fp and a probe beam at fm interfere to create a grating within the nonlinear material. The pump beam is itself scattered by this grating and nonlinearity-driven energy transfer is achieved from the pump to the probe when ∆f = fp − fm 6= 0. This transfer of energy via the Kerr nonlinearity ha ...
... beam at fp and a probe beam at fm interfere to create a grating within the nonlinear material. The pump beam is itself scattered by this grating and nonlinearity-driven energy transfer is achieved from the pump to the probe when ∆f = fp − fm 6= 0. This transfer of energy via the Kerr nonlinearity ha ...
A demonstration of rotating sound waves in free space
... waves of light in the form of Laguerre–Gaussian laser modes was presented.2 These modes can be generated with a continuous laser by using a mode converter, and their phase structure can be analyzed with an interferometer.3 There are also simpler ways of generating Laguerre–Gaussian modes by means of ...
... waves of light in the form of Laguerre–Gaussian laser modes was presented.2 These modes can be generated with a continuous laser by using a mode converter, and their phase structure can be analyzed with an interferometer.3 There are also simpler ways of generating Laguerre–Gaussian modes by means of ...
Undamped collective surface plasmon oscillations along metallic
... however, that the TDLDA approach was successfully applied to nanoshells with radius above 10 nm and thickness up to a few nanometers20 via acceleration of the numerical procedures. It was achieved by assuming screened effective Coulomb interaction, which enhanced convergence of iterations, thus allo ...
... however, that the TDLDA approach was successfully applied to nanoshells with radius above 10 nm and thickness up to a few nanometers20 via acceleration of the numerical procedures. It was achieved by assuming screened effective Coulomb interaction, which enhanced convergence of iterations, thus allo ...
Physics 252: Frames of Reference and Newton`s Laws
... repeated itself. Römer realized the significance of the time involved-just over one year. This time period had nothing to do with Io, but was the time between successive closest approaches of earth in its orbit to Jupiter. The eclipses were furthest behind the predicted times when the earth was furt ...
... repeated itself. Römer realized the significance of the time involved-just over one year. This time period had nothing to do with Io, but was the time between successive closest approaches of earth in its orbit to Jupiter. The eclipses were furthest behind the predicted times when the earth was furt ...
Superprism phenomena in planar photonic crystals
... Kosaka’s and Lin’s results is in the physical understanding of the angular dispersion phenomenon. Kosaka et al. recognized the anisotropy in the dispersion relationship and determined the light propagation direction via the group velocity, using wavevector diagrams discussed in detail by Russel [10] ...
... Kosaka’s and Lin’s results is in the physical understanding of the angular dispersion phenomenon. Kosaka et al. recognized the anisotropy in the dispersion relationship and determined the light propagation direction via the group velocity, using wavevector diagrams discussed in detail by Russel [10] ...
Light, Mirrors, and Lenses
... a disturbance that carries energy through matter or space. The matter in this case is the water, and the energy originally comes from the impact of the rock. As the ripples spread out, they carry some of that energy. Light is another type of wave that carries energy. A source of light such as the Su ...
... a disturbance that carries energy through matter or space. The matter in this case is the water, and the energy originally comes from the impact of the rock. As the ripples spread out, they carry some of that energy. Light is another type of wave that carries energy. A source of light such as the Su ...
Evolution of the Atomic Concept and the Beginnings of Modern
... having overall electrical neutrality, but distorted charge distributions. These forces could definitely be categorized as "electrical Attraction reaching to small distances". Notice that Newton also leaves the door open for other short range forces, which were finally discovered in the 1930's! Newto ...
... having overall electrical neutrality, but distorted charge distributions. These forces could definitely be categorized as "electrical Attraction reaching to small distances". Notice that Newton also leaves the door open for other short range forces, which were finally discovered in the 1930's! Newto ...
Thomas Young (scientist)
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Thomas Young (13 June 1773 – 10 May 1829) was an English polymath and physician. Young made notable scientific contributions to the fields of vision, light, solid mechanics, energy, physiology, language, musical harmony, and Egyptology. He ""made a number of original and insightful innovations""in the decipherment of Egyptian hieroglyphs (specifically the Rosetta Stone) before Jean-François Champollion eventually expanded on his work. He was mentioned by, among others, William Herschel, Hermann von Helmholtz, James Clerk Maxwell, and Albert Einstein. Young has been described as ""The Last Man Who Knew Everything"".