Switching between positive and negative
... the scattering (S) parameters. The latter mentioned parameters are derived from a software simulation program Ansoft’s High Frequency Structure Simulator (HFSS™). These properties are best characterized by the constitutive parameters of the structure, namely its effective permittivity (ε) and permea ...
... the scattering (S) parameters. The latter mentioned parameters are derived from a software simulation program Ansoft’s High Frequency Structure Simulator (HFSS™). These properties are best characterized by the constitutive parameters of the structure, namely its effective permittivity (ε) and permea ...
Plasmon-Induced Transparency in Metamaterials *
... shapes while maintaining consistent optical properties that do not depend on the dimensions of the device. They can be designed for applications in either free space optics or an integrated optical circuit and, in particular, for slow light and enhanced nonlinear effects [19,20]. Additionally, it is ...
... shapes while maintaining consistent optical properties that do not depend on the dimensions of the device. They can be designed for applications in either free space optics or an integrated optical circuit and, in particular, for slow light and enhanced nonlinear effects [19,20]. Additionally, it is ...
Mach Zehnder Interferometer and its Applications
... the core produce an interference pattern thus producing a very effective in-line MZI. This MZI has the same physical path length in both sensing and reference arms but has different optical path lengths because of modal dispersion as the beam passing through cladding experiences refractive index whi ...
... the core produce an interference pattern thus producing a very effective in-line MZI. This MZI has the same physical path length in both sensing and reference arms but has different optical path lengths because of modal dispersion as the beam passing through cladding experiences refractive index whi ...
6.1 Characteristics Because VCSELs emit from the top surface of the
... attenuation less than 20 dB/km: this was the necessary threshold to make fiber optics a viable transmission technology. The silica-based optical fiber structure consists of a cladding layer with a lower refractive index than the fiber core it surrounds. This refractive index difference causes a tota ...
... attenuation less than 20 dB/km: this was the necessary threshold to make fiber optics a viable transmission technology. The silica-based optical fiber structure consists of a cladding layer with a lower refractive index than the fiber core it surrounds. This refractive index difference causes a tota ...
MEASUREMENT AND COMPARISON OF REFRACTIVE INDEX OF
... Table 6. The readings of turbidity measured for twelve samples collected from different surface water sources in Namibia. ..................................................... 57 Table 5. The readings of salinity measured for twelve samples collected from different surface water sources in Namibia. ...
... Table 6. The readings of turbidity measured for twelve samples collected from different surface water sources in Namibia. ..................................................... 57 Table 5. The readings of salinity measured for twelve samples collected from different surface water sources in Namibia. ...
Mode matching between waveguide and periodic dielectric waveguide
... used in optic communication system, such as muti-mode interference, wavelength splitter, direction coupler, and polarization beam splitter. Recently, a structure called periodic dielectric waveguide (PDWG) is similar to one dimensional photonic crystal. PDWG has the advantages of both compactness an ...
... used in optic communication system, such as muti-mode interference, wavelength splitter, direction coupler, and polarization beam splitter. Recently, a structure called periodic dielectric waveguide (PDWG) is similar to one dimensional photonic crystal. PDWG has the advantages of both compactness an ...
ComplexLightBookChapterEG
... curvature is R(z) ' z, carrying the phase a spherical surface traveling away from z = 0. A special point is z = zR , where the radius of curvature is R = 2z. This distance is also known as the confocal parameter. It is important for many problems in laser-beam optics such as in designing laser reson ...
... curvature is R(z) ' z, carrying the phase a spherical surface traveling away from z = 0. A special point is z = zR , where the radius of curvature is R = 2z. This distance is also known as the confocal parameter. It is important for many problems in laser-beam optics such as in designing laser reson ...
T Tauri stars Optical lucky imaging polarimetry of HL and XZ Tau
... The idea that stars are formed out of interstellar clouds have been present for several centuries. The initial idea, that the Sun and Planets formed out of a rotating cloud or disk of material was called the Nebular Hypothesis, which was formulated by Emanuel Swedenborg in 1734. It sprung from the r ...
... The idea that stars are formed out of interstellar clouds have been present for several centuries. The initial idea, that the Sun and Planets formed out of a rotating cloud or disk of material was called the Nebular Hypothesis, which was formulated by Emanuel Swedenborg in 1734. It sprung from the r ...
Nonlinear Microstructure Fibers
... fibers can also be designed with high birefringence. By designing a microstructure fiber so that is has a some or all of the fallowing properties: small cross section, handle high optical power or pump power without breakdown, and utilize birefringence for phase matching; a highly nonlinear fiber op ...
... fibers can also be designed with high birefringence. By designing a microstructure fiber so that is has a some or all of the fallowing properties: small cross section, handle high optical power or pump power without breakdown, and utilize birefringence for phase matching; a highly nonlinear fiber op ...
What is a surface plasmon?
... computations of grating properties encouraged us to develop a quantitative phenomenological analysis of Wood anomalies. Phenomenology: using intuition then mathematics in order to describe quantitatively a phenomenon from the smallest number of parameters It allowed the discovery of the phenomenon o ...
... computations of grating properties encouraged us to develop a quantitative phenomenological analysis of Wood anomalies. Phenomenology: using intuition then mathematics in order to describe quantitatively a phenomenon from the smallest number of parameters It allowed the discovery of the phenomenon o ...
Chapter 12 Plane Waves at Boundaries and in Dispersive Media
... transmission at planar boundaries between media having different properties. Our study will allow any orientation between the wave and boundary, and will also include the important cases of multiple boundaries. We will also study the practical case of waves that carry power over a finite band of fre ...
... transmission at planar boundaries between media having different properties. Our study will allow any orientation between the wave and boundary, and will also include the important cases of multiple boundaries. We will also study the practical case of waves that carry power over a finite band of fre ...
Optics of Gaussian Beams
... Beam by a Lens A lens can be used to focus a laser beam to a small spot, or systems of lenses may be used to expand the beam and recollimate it. An ideal thin lens in such an application will not change the transverse mode intensity pattern measured at the lens but it will alter the radius of curvat ...
... Beam by a Lens A lens can be used to focus a laser beam to a small spot, or systems of lenses may be used to expand the beam and recollimate it. An ideal thin lens in such an application will not change the transverse mode intensity pattern measured at the lens but it will alter the radius of curvat ...
PDF Links - Electronic Materials Letters
... and C the Racah parameters that describe the neighboring covalency effect in a transition metal system.[31] The secondorder term (−26B2/10Dq) is extremely small compared to the sum of the terms 10B and 6C according to the estimated ligand field theory parameters.[31] Since the Racah parameters B and ...
... and C the Racah parameters that describe the neighboring covalency effect in a transition metal system.[31] The secondorder term (−26B2/10Dq) is extremely small compared to the sum of the terms 10B and 6C according to the estimated ligand field theory parameters.[31] Since the Racah parameters B and ...
Revista Mexicana de Física . Simulation of Michelson and
... the Huygens-Fresnel principle. Temporal and spatial coherence are useful to express some relevant aspects of a light source. They both describe shape, emittance, and spectral details of a light source. The best way to assess light source coherence is overlapping two wavefronts of spherical waves sel ...
... the Huygens-Fresnel principle. Temporal and spatial coherence are useful to express some relevant aspects of a light source. They both describe shape, emittance, and spectral details of a light source. The best way to assess light source coherence is overlapping two wavefronts of spherical waves sel ...
Demonstration of a large-scale optical exceptional point structure Liang Feng, Xuefeng Zhu,
... mechanics [2] and thus realize unique directional light transport and novel devices [3–9] at the parity-time phase transition point, a type of exceptional points. However, exceptional point is much more general concept, contains broader and richer physics, and should thus be expected in a larger non ...
... mechanics [2] and thus realize unique directional light transport and novel devices [3–9] at the parity-time phase transition point, a type of exceptional points. However, exceptional point is much more general concept, contains broader and richer physics, and should thus be expected in a larger non ...
TIE-41 Large Optical Glass Blanks
... The preparation process and the melting, refining and casting process steps of a blank with 1.5 m diameter blank would take about 7 weeks in total. With today’s continuous tanks it is not possible to produce glass for just a single large blank. The need for high homogeneity requires casting over a t ...
... The preparation process and the melting, refining and casting process steps of a blank with 1.5 m diameter blank would take about 7 weeks in total. With today’s continuous tanks it is not possible to produce glass for just a single large blank. The need for high homogeneity requires casting over a t ...
lensed fiber
... Focusing of light into small spot at working distance of ~200 -3000 um Introduction of angled interface in the light-pass results in deflection of light, emitting from the fiber. Resultant deflected optical field is Focused at working distance of 0.4-2 mm ...
... Focusing of light into small spot at working distance of ~200 -3000 um Introduction of angled interface in the light-pass results in deflection of light, emitting from the fiber. Resultant deflected optical field is Focused at working distance of 0.4-2 mm ...
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).