Diffracting fractals: new paradigms in linear wave physics
... the same random phases are used in each pane. Red line: pattern from plane wave illumination. Future Applications of Fractal Light In terms of future experimental prospects, this work has greatly widened the scope for potential realization and exploitation of fractal light sources. For example, spat ...
... the same random phases are used in each pane. Red line: pattern from plane wave illumination. Future Applications of Fractal Light In terms of future experimental prospects, this work has greatly widened the scope for potential realization and exploitation of fractal light sources. For example, spat ...
Ru11Lu20, a New Intermetallic Compound with Eight
... (0.400 mmol) and 24 mg ruthenium (0.237 mmol) was filled under dry-box conditions (argon, MBraun, Garching, Germany) in pre-cleaned and at one end He-arc welded tantalum containers. These were then sealed at the other end and jacketed under vacuum in silica ampoules. The reaction ensemble was heated ...
... (0.400 mmol) and 24 mg ruthenium (0.237 mmol) was filled under dry-box conditions (argon, MBraun, Garching, Germany) in pre-cleaned and at one end He-arc welded tantalum containers. These were then sealed at the other end and jacketed under vacuum in silica ampoules. The reaction ensemble was heated ...
Correlated diffraction and fluorescence in the backscattering
... which, when looked upon from a very precise, grazing, angle, send a conspicuous white signal 共sometimes showing bluish or greenish hues兲. As the present study shows, this phenomenon, occurring in the male Troides magellanus 共see Fig. 1兲, is much more complex than indicated by the results of previous ...
... which, when looked upon from a very precise, grazing, angle, send a conspicuous white signal 共sometimes showing bluish or greenish hues兲. As the present study shows, this phenomenon, occurring in the male Troides magellanus 共see Fig. 1兲, is much more complex than indicated by the results of previous ...
Growth, Microhardness, Electrical and Dielectric Studies on L
... finding unit cell parameters, space groups; three-dimensional co-ordinates of atoms in the unit cell and mean thermal motion amplitudes of atoms in the unit cell. Single crystal X-ray diffractometer collects intensity data required for structure determination. Accurate measurements of intensities of ...
... finding unit cell parameters, space groups; three-dimensional co-ordinates of atoms in the unit cell and mean thermal motion amplitudes of atoms in the unit cell. Single crystal X-ray diffractometer collects intensity data required for structure determination. Accurate measurements of intensities of ...
The Onset of Matter-Wave Amplification in a Superradiant Bose
... from those seen in previous light-scattering experiments. This phenomenon can only be explained by optical stimulation, showing that the previous description of superradiance as atomic stimulation is incomplete and that matter-wave amplification in Bose-Einstein condensates is suppressed at short tim ...
... from those seen in previous light-scattering experiments. This phenomenon can only be explained by optical stimulation, showing that the previous description of superradiance as atomic stimulation is incomplete and that matter-wave amplification in Bose-Einstein condensates is suppressed at short tim ...
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... optical fields undergo modifications in terms of irradiance, phase, spectrum, direction, polarization, and coherence, which can reveal information about the sample of interest. Light scattering by cells and tissues evolved as a dynamic area of study, especially because this type of investigation can ...
... optical fields undergo modifications in terms of irradiance, phase, spectrum, direction, polarization, and coherence, which can reveal information about the sample of interest. Light scattering by cells and tissues evolved as a dynamic area of study, especially because this type of investigation can ...
Amplitude and Phase of Tightly Focused Laser Beams in Turbid Media
... the focal spot along both lateral and axial dimensions [5]. Current formulations of diffraction theory, being limited to homogeneous media, cannot describe these important changes to the focal volume. Monte Carlo methods can be used to solve the radiative transport equation by simulating light propa ...
... the focal spot along both lateral and axial dimensions [5]. Current formulations of diffraction theory, being limited to homogeneous media, cannot describe these important changes to the focal volume. Monte Carlo methods can be used to solve the radiative transport equation by simulating light propa ...
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 ...
Fresnel Diffraction Geometrical optics… …light can`t turn a corner. I
... ZT = 2d2/ • one of the few Fresnel diffraction problems that can be solved analytically • beam pattern alternates between two different fringe patterns http://www.flickr.com/photos/gaeloso/4256791024/ ...
... ZT = 2d2/ • one of the few Fresnel diffraction problems that can be solved analytically • beam pattern alternates between two different fringe patterns http://www.flickr.com/photos/gaeloso/4256791024/ ...
ppt
... Crystals introduce how the particles in a substance are physically arranged. Crystals are a concrete way to help students understand the relationship between atomic structure and properties of these materials. Awesome way to reinforce the atomic theory. Besides, 2014 has been named the Year ...
... Crystals introduce how the particles in a substance are physically arranged. Crystals are a concrete way to help students understand the relationship between atomic structure and properties of these materials. Awesome way to reinforce the atomic theory. Besides, 2014 has been named the Year ...
Comparison of simplified theories in the analysis of the diffraction
... In this paper, we show the results obtained by a set of several theories that predict the diffraction properties of two different optical components, such as binary phase gratings and triangular gratings. Specifically, the gratings have been studied in the resonance domain having periods ranging fro ...
... In this paper, we show the results obtained by a set of several theories that predict the diffraction properties of two different optical components, such as binary phase gratings and triangular gratings. Specifically, the gratings have been studied in the resonance domain having periods ranging fro ...
ultrafast time-resolved electron diffraction with megavolt electron
... scale. Electron diffraction is complementary to x-ray scattering, but features much larger cross sections that allow the study of surface phenomena, the bulk structures of thin foils and membranes, as well as molecular structures of gas phase samples.6 As with linac based x-ray sources there has bee ...
... scale. Electron diffraction is complementary to x-ray scattering, but features much larger cross sections that allow the study of surface phenomena, the bulk structures of thin foils and membranes, as well as molecular structures of gas phase samples.6 As with linac based x-ray sources there has bee ...
High-power microwave sources on the base of the Volume Free
... FEL lasing is aroused by different types of spontaneous radiation: magnetic bremsstrahlung in undulator, Smith-Purcell or Cherenkov radiation and so on. But regardless of type of spontaneous radiation applied for certain FEL lasing, all FEL-like devices use feedback, which is formed either by two pa ...
... FEL lasing is aroused by different types of spontaneous radiation: magnetic bremsstrahlung in undulator, Smith-Purcell or Cherenkov radiation and so on. But regardless of type of spontaneous radiation applied for certain FEL lasing, all FEL-like devices use feedback, which is formed either by two pa ...
Oxidation of some Late Transition Metal Surfaces: Structural studies
... lattice, and thus the interference pattern, does not only consist of delta-functions. Fig. 3.7 shows a simulation of the intensity variations along a row of reciprocal lattice points perpendicular to the surface, for different penetration depths. The two extremes, scattering in a single layer and an ...
... lattice, and thus the interference pattern, does not only consist of delta-functions. Fig. 3.7 shows a simulation of the intensity variations along a row of reciprocal lattice points perpendicular to the surface, for different penetration depths. The two extremes, scattering in a single layer and an ...
A simple method for Bragg diffraction in volume holographic gratings Heifetz,
... Volume holographic gratings are routinely used in optical physics. Holographic data storage and optical information processing systems based on volume gratings are currently under development.1–5 Other applications include polarization optics,6–8 beam splitters and combiners,9,10 narrowband spectral ...
... Volume holographic gratings are routinely used in optical physics. Holographic data storage and optical information processing systems based on volume gratings are currently under development.1–5 Other applications include polarization optics,6–8 beam splitters and combiners,9,10 narrowband spectral ...
Lecture 6: Waves Review and Examples PLEASE REVIEW ON
... The positions of the principal maxima occur at φ = 0, ±2π, ±4π, ... where φ is the phase between adjacent slits. θ = 0, ±λ/d, ±2λ/d, ... The intensity at the peak of a principal maximum goes as N2. 3 slits: Atot = 3A1 ⇒ Itot = 9I1. N slits: IN = N2I1. Between two principal maxima there are N-1 zeros ...
... The positions of the principal maxima occur at φ = 0, ±2π, ±4π, ... where φ is the phase between adjacent slits. θ = 0, ±λ/d, ±2λ/d, ... The intensity at the peak of a principal maximum goes as N2. 3 slits: Atot = 3A1 ⇒ Itot = 9I1. N slits: IN = N2I1. Between two principal maxima there are N-1 zeros ...
LETTERS
... between the condensed and noncondensed portions of the gas, such as damping, or atom-atom scattering stimulated by bosonic enhancement. When an atomic beam passes through a periodic optical potential formed by a standing light wave and interacts with it for a sufficiently long time, it can Bragg dif ...
... between the condensed and noncondensed portions of the gas, such as damping, or atom-atom scattering stimulated by bosonic enhancement. When an atomic beam passes through a periodic optical potential formed by a standing light wave and interacts with it for a sufficiently long time, it can Bragg dif ...
Topic 5 - The Uncertainty Principle
... •Can be illustrated by a couple of “thought experiments”, for example the “photon picture” of single slit diffraction and the “Heisenberg Microscope” ...
... •Can be illustrated by a couple of “thought experiments”, for example the “photon picture” of single slit diffraction and the “Heisenberg Microscope” ...
Session 10 Wave Optics
... So far we’ve discussed adding waves with different phases in rather an abstract manner. How do we actually bring this about? Under what circumstances are coherent waves superposed in the laboratory? Before the advent of the laser as a coherent light source the only way of doing this was to get a lig ...
... So far we’ve discussed adding waves with different phases in rather an abstract manner. How do we actually bring this about? Under what circumstances are coherent waves superposed in the laboratory? Before the advent of the laser as a coherent light source the only way of doing this was to get a lig ...
Generalized phase diffraction gratings with tailored intensity
... where the intensities of the doughnut beams at each different orders are all equal, in opposition to what happens in those reported in [13–15]. The grating phase profile is obtained from the theory of optimal beam splitting proposed by Prongué et al. [5] and further extended by Romero and Dickey [10 ...
... where the intensities of the doughnut beams at each different orders are all equal, in opposition to what happens in those reported in [13–15]. The grating phase profile is obtained from the theory of optimal beam splitting proposed by Prongué et al. [5] and further extended by Romero and Dickey [10 ...
Acoustooptic interaction of two light beams in a paratellurite crystal
... f* = 188.4 MHz, which had been predicted theoretically. The transducer’s electric voltage determined by the condition ql = 2 π reached the value U = 6 V, which corresponded to an ultrasonic power of 0.8 W. The dots in Fig. 4 show the experimental values of double-diffraction efficiency I21 as a func ...
... f* = 188.4 MHz, which had been predicted theoretically. The transducer’s electric voltage determined by the condition ql = 2 π reached the value U = 6 V, which corresponded to an ultrasonic power of 0.8 W. The dots in Fig. 4 show the experimental values of double-diffraction efficiency I21 as a func ...
Wavelength verification of laser through varied slit widths using a
... like laser, can be determined. This is through the working equation: = . Through the CCD (charge-coupled device), the diffraction of the light was seen and using the Vision Assistant Program, the order for the destructive interference was known. The manipulated variable in this research ...
... like laser, can be determined. This is through the working equation: = . Through the CCD (charge-coupled device), the diffraction of the light was seen and using the Vision Assistant Program, the order for the destructive interference was known. The manipulated variable in this research ...
Integrating Diffraction Data with iMOSFLM Andrew Leslie - NE-CAT
... D is crystal to detector distance. Uncertainty in Φ leads to errors in s. The size of the errors depends on the oscillation angle and the mosaic spread. ...
... D is crystal to detector distance. Uncertainty in Φ leads to errors in s. The size of the errors depends on the oscillation angle and the mosaic spread. ...
Acousto-Optic Effect and Its use in Signal Processing Abstract 1
... interaction), he formulated the problem in terms of a distribution of scattering sources, polarized by the incident light and modulated in space and time by the thermal sound waves. Another result found by Brillouin is that, with the assumption of a simple isotropic change in refractive index throug ...
... interaction), he formulated the problem in terms of a distribution of scattering sources, polarized by the incident light and modulated in space and time by the thermal sound waves. Another result found by Brillouin is that, with the assumption of a simple isotropic change in refractive index throug ...
x-rays
... sample and a measurement is made of the degree to which x-rays of different energies are absorbed by the sample. One type of x-ray spectroscopy is called extended xray absorption fine structure, EXAFS. In EXAFS spectra, weak oscillations indicate the effect of scattering from neighboring atoms by an ...
... sample and a measurement is made of the degree to which x-rays of different energies are absorbed by the sample. One type of x-ray spectroscopy is called extended xray absorption fine structure, EXAFS. In EXAFS spectra, weak oscillations indicate the effect of scattering from neighboring atoms by an ...
Powder diffraction
Powder diffraction is a scientific technique using X-ray, neutron, or electron diffraction on powder or microcrystalline samples for structural characterization of materials.