Laser Beams and Resonators
... Schwering [7]. The present discussion follows an analysis given in [11]. 3.1 Approximate Solution of the Wave Equation Laser beams are similar in many respects to plane waves; however, their intensity distributions are not uniform, but are concentrated near the axis of propagation and their phase fr ...
... Schwering [7]. The present discussion follows an analysis given in [11]. 3.1 Approximate Solution of the Wave Equation Laser beams are similar in many respects to plane waves; however, their intensity distributions are not uniform, but are concentrated near the axis of propagation and their phase fr ...
Document
... The ability of a grating monochromator to collect incident radiation from the entrance slit is very important as only some of this radiation will reach the detector. The speed or f/number is a measure of the ability of the monochromator to collect incident radiation. f = F/d where; F is the focal le ...
... The ability of a grating monochromator to collect incident radiation from the entrance slit is very important as only some of this radiation will reach the detector. The speed or f/number is a measure of the ability of the monochromator to collect incident radiation. f = F/d where; F is the focal le ...
Optical limiting in a periodic materials with relaxational nonlinearity Xue Liu,
... where the fields E f = E f ( x, z , t ) and Eb = Eb ( x, z , t ) describe the electric field envelope of the forward and backward waves in space and time. We denote by x the transverse coordinate, since we will treat only a single transverse dimension in our PBG structure; v denotes group velocity, ...
... where the fields E f = E f ( x, z , t ) and Eb = Eb ( x, z , t ) describe the electric field envelope of the forward and backward waves in space and time. We denote by x the transverse coordinate, since we will treat only a single transverse dimension in our PBG structure; v denotes group velocity, ...
Numerical Analysis of Relative Phase and Amplitude at the
... – nonlinearity causes the breaking waves, and – dispersion causes spreading of the wave package. There are several types of mechanisms for generating optical solitons. The first successful experiment was a model of two-cavities laser published 1984th year. During 1987. year, Berg and Christiansen pr ...
... – nonlinearity causes the breaking waves, and – dispersion causes spreading of the wave package. There are several types of mechanisms for generating optical solitons. The first successful experiment was a model of two-cavities laser published 1984th year. During 1987. year, Berg and Christiansen pr ...
Holography
... The technique of straightforward holography developed by Gabor places the light source and the object on the axis perpendicular to the holographic layer. Only transparent objects can be considered. If an axial point O is chosen as an object emitting a spherical wave the resulting hologram for a plan ...
... The technique of straightforward holography developed by Gabor places the light source and the object on the axis perpendicular to the holographic layer. Only transparent objects can be considered. If an axial point O is chosen as an object emitting a spherical wave the resulting hologram for a plan ...
Extended Nijboer-Zernike representation of the vector field in the
... this analysis concerned the scalar diffraction integral for a (heavily) aberrated optical system. The method has been termed ’extended’ Nijboer-Zernike method because it expands aberration and pupil functions in Zernike series and produces manageable expressions for the scalar field through the focal ...
... this analysis concerned the scalar diffraction integral for a (heavily) aberrated optical system. The method has been termed ’extended’ Nijboer-Zernike method because it expands aberration and pupil functions in Zernike series and produces manageable expressions for the scalar field through the focal ...
Aperture interference and the volumetric resolution of light field
... preserving equivalent volumetric information [26]. In particular, by not limiting the sampling scheme to small, compact regions of the aperture, we conjectured that it may be possible to trade extraneous angular resolution for spatial resolution while maintaining a large axial field of view. We thus ...
... preserving equivalent volumetric information [26]. In particular, by not limiting the sampling scheme to small, compact regions of the aperture, we conjectured that it may be possible to trade extraneous angular resolution for spatial resolution while maintaining a large axial field of view. We thus ...
Influence of polarization direction, incidence angle, and geometry on
... angles are (a) 90◦ , (b) 30◦ , (c) 20◦ , and (d) 10◦ . The calculation wavelengths correspond to the dipole plasmon resonances of TGNWs. For the different incidence angles, the large electrical field outside the particle is along the incident polarization direction and is only located within a few nm ...
... angles are (a) 90◦ , (b) 30◦ , (c) 20◦ , and (d) 10◦ . The calculation wavelengths correspond to the dipole plasmon resonances of TGNWs. For the different incidence angles, the large electrical field outside the particle is along the incident polarization direction and is only located within a few nm ...
Introduction of Minor Nonlinear Effect Strain Insensitive SMF Fitting
... direct integration of scalar wave equation with appropriate boundary conditions. The Gaussian approximation of the fundamental mode in conventional optical fibers gives this idea to choose exact Gaussian function as an answer of wave equation in the core layer [12]. In this case the relationship bet ...
... direct integration of scalar wave equation with appropriate boundary conditions. The Gaussian approximation of the fundamental mode in conventional optical fibers gives this idea to choose exact Gaussian function as an answer of wave equation in the core layer [12]. In this case the relationship bet ...
Direct measurement of terahertz wavefront pulses using 2D electro
... plane. From this phase mapping, it is possible to calculate the surface of equi-phase, which constitutes the definition of the wavefront. To illustrate our method, we measured the optical aberrations of the THz beam presented in Fig. 1a, which is supposed to have a planar wavefront. The result is pr ...
... plane. From this phase mapping, it is possible to calculate the surface of equi-phase, which constitutes the definition of the wavefront. To illustrate our method, we measured the optical aberrations of the THz beam presented in Fig. 1a, which is supposed to have a planar wavefront. The result is pr ...
Two-step DFT propagation - MZA Associates Corporation
... spacings and dimensions for the special case of propagation through vacuum or ideal dielectric media, given two limiting apertures. Next, we will present a simple step-by-step procedure to reduce any wave optics simulation problem, including propagation through optical systems and aberrating media, ...
... spacings and dimensions for the special case of propagation through vacuum or ideal dielectric media, given two limiting apertures. Next, we will present a simple step-by-step procedure to reduce any wave optics simulation problem, including propagation through optical systems and aberrating media, ...
Biomedical Imaging and Applied Optics Laboratory
... More than 85% of all cancers originate in the epithelium that lines the internal surfaces of organs throughout the body. Before they become invasive, at stages known as dysplasia and carcinoma in situ, early cancer cells alter the epithelial-cell architecture. More specifically, the number of cells, ...
... More than 85% of all cancers originate in the epithelium that lines the internal surfaces of organs throughout the body. Before they become invasive, at stages known as dysplasia and carcinoma in situ, early cancer cells alter the epithelial-cell architecture. More specifically, the number of cells, ...
Analysis of optical interferometric displacement detection in nanoelectromechanical systems
... that L is much greater than any length scale in the NEMS near field. We have used the definition in Eq. 共5兲 to implement a fast Fourier transform 共FFT兲 algorithm for free-space propagation. To prevent aliasing, beam propagation calculation is performed in incremental steps of ⌬L ⬇ in an iterative ...
... that L is much greater than any length scale in the NEMS near field. We have used the definition in Eq. 共5兲 to implement a fast Fourier transform 共FFT兲 algorithm for free-space propagation. To prevent aliasing, beam propagation calculation is performed in incremental steps of ⌬L ⬇ in an iterative ...
RAYS, WAVES AND ASYMPTOTICS1 1. Introduction
... their degenerate forms. This yields just 11 coordinate systems. If the boundary surfaces are not complete coordinate surfaces of a separable coordinate system, the methods described so far do not apply. Then in some cases eigenfunction expansions may be used, but some means must be found to construc ...
... their degenerate forms. This yields just 11 coordinate systems. If the boundary surfaces are not complete coordinate surfaces of a separable coordinate system, the methods described so far do not apply. Then in some cases eigenfunction expansions may be used, but some means must be found to construc ...