Polarization properties of coherent VUV light at 125
... radiation will produce spin-polarized electrons from single crystal and gases [10, 11, 12]. It was also recently demonstrated that photoelectron spectro-microscopy is a powerful method to study the electronic structure and dynamical properties of molecules adsorbed on surfaces [13]. During the last ...
... radiation will produce spin-polarized electrons from single crystal and gases [10, 11, 12]. It was also recently demonstrated that photoelectron spectro-microscopy is a powerful method to study the electronic structure and dynamical properties of molecules adsorbed on surfaces [13]. During the last ...
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[pdf]
... of GaN over a two-photon spectral range from 2.6 to 3.4 eV in two polarization configurations, and compared these re(2) sults with theory.1 In order to extract x (2) xzx and x zxx from the measurements, we developed an analysis that incorporates the interference effects that arise in SHG spectroscop ...
... of GaN over a two-photon spectral range from 2.6 to 3.4 eV in two polarization configurations, and compared these re(2) sults with theory.1 In order to extract x (2) xzx and x zxx from the measurements, we developed an analysis that incorporates the interference effects that arise in SHG spectroscop ...
optical resonances in multilayer structures
... related to the electric and magnetic fields by the dimensionless electric and magnetic susceptibilities χe and χm . The constants of proportionality are called relative electric permittivity ǫr = 1 + χe and relative magnetic permeability µr = 1 + χm . They may depend on the position for inhomogeneou ...
... related to the electric and magnetic fields by the dimensionless electric and magnetic susceptibilities χe and χm . The constants of proportionality are called relative electric permittivity ǫr = 1 + χe and relative magnetic permeability µr = 1 + χm . They may depend on the position for inhomogeneou ...
الشريحة 1
... and electromagnetic waves such as visible light, x-rays and radio waves. As physical objects have wave-like properties (at the atomic level), diffraction also occurs with matter and can be studied according to the principles of quantum mechanics. Richard Feynman[4] said that "no-one has ever been ab ...
... and electromagnetic waves such as visible light, x-rays and radio waves. As physical objects have wave-like properties (at the atomic level), diffraction also occurs with matter and can be studied according to the principles of quantum mechanics. Richard Feynman[4] said that "no-one has ever been ab ...
Theory of optical pulse propagation, dispersive and nonlinear effects
... In reality, the nonlinear medium is also dispersive and dispersion broadens the pulse temporally during the buildup of the nonlinear phase shift. For a positive dispersion, k2 > 0, this effect smoothens the structure in Fig. IV-37 and linearises the temporal chirp, leading thereby to a better qualit ...
... In reality, the nonlinear medium is also dispersive and dispersion broadens the pulse temporally during the buildup of the nonlinear phase shift. For a positive dispersion, k2 > 0, this effect smoothens the structure in Fig. IV-37 and linearises the temporal chirp, leading thereby to a better qualit ...
Polarization and angle dependence for hyper-Rayleigh scattering from local
... components of  from HRS measurements have been proposed and demonstrated.3–7 These schemes analyze the polarization dependence of HRS for a fixed scattering geometry (not necessarily 90° scattering) to obtain information about . Recent research also considers systems such as chiral molecules in wh ...
... components of  from HRS measurements have been proposed and demonstrated.3–7 These schemes analyze the polarization dependence of HRS for a fixed scattering geometry (not necessarily 90° scattering) to obtain information about . Recent research also considers systems such as chiral molecules in wh ...
Negative Refractive Index Materials
... could be characterized by negative values of and provided a breakthrough for NIM research. The first metamaterials consisted of copper rings and straight wires, disposed in a strict geometric order (see Chapter 5). The straight wires, in essence, are the antennas that interact with the electric fi ...
... could be characterized by negative values of and provided a breakthrough for NIM research. The first metamaterials consisted of copper rings and straight wires, disposed in a strict geometric order (see Chapter 5). The straight wires, in essence, are the antennas that interact with the electric fi ...
PHOTONIC CRYSTALS WITH ACTIVE ORGANIC MATERIALS by
... Figure 1-1 Classical picture of the interaction between electrons and electromagnetic wave. (a) No external field. (b) External field polarizes the medium and creates an induced dipole moment. (c) Atomic potential plotted against the distance between electron and nuclei. ............................ ...
... Figure 1-1 Classical picture of the interaction between electrons and electromagnetic wave. (a) No external field. (b) External field polarizes the medium and creates an induced dipole moment. (c) Atomic potential plotted against the distance between electron and nuclei. ............................ ...
Achromatic correction of diffractive dispersion in white light SLM
... the phase modulation is crucial. The phase-mostly operation accessible in twisted cells will be excluded from the discussion and only the phase-only modulation implemented with linearly polarized light will be considered. In this case, the action of the SLM can be defined by the function t ∝ exp[iΦ ...
... the phase modulation is crucial. The phase-mostly operation accessible in twisted cells will be excluded from the discussion and only the phase-only modulation implemented with linearly polarized light will be considered. In this case, the action of the SLM can be defined by the function t ∝ exp[iΦ ...
PDF version
... Figure 5-20: Scattering pattern from a single BG spore: (a) estimated spore dimensions, (b) numerical simulation, (c) and (d) experimental results....................................... 84 Figure 5-21: Histogram of concentrations of particles in different Dsym ranges for different particle types. .. ...
... Figure 5-20: Scattering pattern from a single BG spore: (a) estimated spore dimensions, (b) numerical simulation, (c) and (d) experimental results....................................... 84 Figure 5-21: Histogram of concentrations of particles in different Dsym ranges for different particle types. .. ...
Holograms for shaping radio
... θin are determined at every point of the hologram. The optimal combination (w, h) is chosen to yield the desired transmittance. Local phase errors may then be corrected according to the detour-phase principle [18]. The unwanted diffraction effects can be reduced by choosing such a field distribution ...
... θin are determined at every point of the hologram. The optimal combination (w, h) is chosen to yield the desired transmittance. Local phase errors may then be corrected according to the detour-phase principle [18]. The unwanted diffraction effects can be reduced by choosing such a field distribution ...
Chapter 3 - Optoelectronics Research Centre
... The quality of the HF end cut could be assessed either by illuminating it with a white light source, and observing it under a microscope, or by coupling in laser light and observing the radiation pattern on a monitor. A circularly symmetric and uniform pattern essentially implies a good cleave. To s ...
... The quality of the HF end cut could be assessed either by illuminating it with a white light source, and observing it under a microscope, or by coupling in laser light and observing the radiation pattern on a monitor. A circularly symmetric and uniform pattern essentially implies a good cleave. To s ...
Metal-dielectric-metal plasmonic waveguide devices for
... minimum confinement of a guided optical mode in dielectric waveguides is set by the diffraction limit and is of the order of λ0 /n, where λ0 is the wavelength in free space and n is the refractive index. As opposed to dielectric waveguides, plasmonic waveguides have shown the potential to guide subw ...
... minimum confinement of a guided optical mode in dielectric waveguides is set by the diffraction limit and is of the order of λ0 /n, where λ0 is the wavelength in free space and n is the refractive index. As opposed to dielectric waveguides, plasmonic waveguides have shown the potential to guide subw ...
d - s3.amazonaws.com
... Most light sources are incoherent. An incandescent light bulb will emit light along the length of the filament. Light emitted at each end of the filament bears no phase relationship to the light emitted at the other. Most lasers are sources of very coherent light. They may have a phase relationship ...
... Most light sources are incoherent. An incandescent light bulb will emit light along the length of the filament. Light emitted at each end of the filament bears no phase relationship to the light emitted at the other. Most lasers are sources of very coherent light. They may have a phase relationship ...
DESIGN AND FABRICATION OF GUIDED
... List of Illustrations Figure 1-1 Basic structure of a single layer GMR device. dg = grating depth, F = fill factor, Λ = period, I = incident light wave, T = transmittance, R = reflectance. ............................ 3 Figure 1-2 Basic structure of a two layer single-material GMR device having a d ...
... List of Illustrations Figure 1-1 Basic structure of a single layer GMR device. dg = grating depth, F = fill factor, Λ = period, I = incident light wave, T = transmittance, R = reflectance. ............................ 3 Figure 1-2 Basic structure of a two layer single-material GMR device having a d ...
Disordered one-‐dimensional photonic structures composed by
... refractive index results in a forbidden energy gap that excludes the existence of optical modes within a certain range of wavelengths [1-‐6]. In the last twenty years, several methods have been ...
... refractive index results in a forbidden energy gap that excludes the existence of optical modes within a certain range of wavelengths [1-‐6]. In the last twenty years, several methods have been ...
De la Rue, R. et al. (2006) Photonic crystal and photonic wire nano
... More generally, the channel waveguide can be considered as being produced by the relative displacement of blocks of photonic crystal by arbitrary amounts, with the further qualification that the modal properties of the defect structures produced must still be determined by electromagnetic computatio ...
... More generally, the channel waveguide can be considered as being produced by the relative displacement of blocks of photonic crystal by arbitrary amounts, with the further qualification that the modal properties of the defect structures produced must still be determined by electromagnetic computatio ...
00800001a2_9.pdf
... The development of optical interferometry is closely linked with the history of wave optics. In 1690 Huygens put forward the basis for the theory we use today. In 1801, Thomas Young performed a fundamental experiment for demonstrating interference and the wave nature of light, see Fig. 9.1.26. He us ...
... The development of optical interferometry is closely linked with the history of wave optics. In 1690 Huygens put forward the basis for the theory we use today. In 1801, Thomas Young performed a fundamental experiment for demonstrating interference and the wave nature of light, see Fig. 9.1.26. He us ...
Growth and Nano-structural Studies of Metallic Multilayers for X-ray Mirrors Naureen Ghafoor
... temperature plasma and for exploring the fascinating world of cosmology and astronomy by solar imaging instruments or deep space telescopes operating at wavelength of natural X-ray sources [1]-[5]. In short, the advanced optical elements needed for realizing the above mentioned instrumentation are i ...
... temperature plasma and for exploring the fascinating world of cosmology and astronomy by solar imaging instruments or deep space telescopes operating at wavelength of natural X-ray sources [1]-[5]. In short, the advanced optical elements needed for realizing the above mentioned instrumentation are i ...
INVESTIGATION OF INJECTION MOLDING PROCESS FOR HIGH
... process has not been readily accepted in precision optical fabrication industry because several difficult issues such as geometry deviation, inhomogeneous index distribution, birefringence and freeform fabrication have hindered the implementation of injection molding process in high precision optica ...
... process has not been readily accepted in precision optical fabrication industry because several difficult issues such as geometry deviation, inhomogeneous index distribution, birefringence and freeform fabrication have hindered the implementation of injection molding process in high precision optica ...
Optical properties scattering - IMT
... Scattering function • The angular dependence of scattering is called the scattering function, p(q) which has units of [sr-1] and describes the probability of a photon scattering into a unit solid angle oriented at an angle relative to the ...
... Scattering function • The angular dependence of scattering is called the scattering function, p(q) which has units of [sr-1] and describes the probability of a photon scattering into a unit solid angle oriented at an angle relative to the ...
Waveguide Simualtion Using Mode Matching Method
... Chapter 2 Complex Modes The process of waveguide simulation and analysis relies on the determination of a complete mode set from governing equations. Of all the proposed approach, Finite-Difference Method (FDM) based method is by far the most popular for its simplicity and straightforwardness. In pr ...
... Chapter 2 Complex Modes The process of waveguide simulation and analysis relies on the determination of a complete mode set from governing equations. Of all the proposed approach, Finite-Difference Method (FDM) based method is by far the most popular for its simplicity and straightforwardness. In pr ...
Confocal optical microscopy
... This paper is about optical confocal microscopy, a subset of the extensive and well developed field of microscopy. I will speak briefly of microscopes, to fix the terminology and to illustrate the differences in the later sections, but I urge the reader not to treat this as a complete description of ...
... This paper is about optical confocal microscopy, a subset of the extensive and well developed field of microscopy. I will speak briefly of microscopes, to fix the terminology and to illustrate the differences in the later sections, but I urge the reader not to treat this as a complete description of ...
Surface plasmon resonance microscopy
Surface Plasmon Resonance Microscopy (SPRM) is a label free analytical tool that combines the surface plasmon resonance of metallic surfaces with imaging of the metallic surface.The heterogeneity of the refractive index of the metallic surface imparts high contrast images, caused by the shift in the resonance angle.SPRM can achieve a thickness sensitivity of few tenths of nanometer and lateral resolution achieves values of micrometer scale.SPRM is used to characterize surfaces, self-assembled monolayers, multilayer films, metal nanoparticles, oligonucleotides arrays, binding and reduction reactions.Surface Plasmon polaritons are surface electromagnetic waves coupled to oscillating free electrons of a metallic surface that propagate along a metal/dielectric interface.Since polaritons are highly sensitive to small changes in the refractive index of the metallic material,it can be used as a biosensing tool that does not require labeling. SPRM measurements can be made in real-time.Wang and collaborators studied the binding kinetics of membrane proteins in single cells.The experimental setup of an SPRM can be seen in the Figure 1, where an adherent cell is grown on a gold film and placed in an inverted microscope, p-polarized light was used to create the surface plasmons on the gold film and a CCD camera was used to create the SPR image.