Coupling Efficiency and Alignment Sensitivity of Single
... core (typically 100 times larger) propagates to a coupling lens which focuses the beam down to the fiber•3 core diameter. ...
... core (typically 100 times larger) propagates to a coupling lens which focuses the beam down to the fiber•3 core diameter. ...
Reflection and Mirrors
... Rough Surfaces When light strikes an uneven surface, as in Parallel the figure at right, the angle of incident reflection still equals the angle rays of incidence at each point. However, different rays reflect in different directions. Reflection of light from a rough surface is called diffuse reflec ...
... Rough Surfaces When light strikes an uneven surface, as in Parallel the figure at right, the angle of incident reflection still equals the angle rays of incidence at each point. However, different rays reflect in different directions. Reflection of light from a rough surface is called diffuse reflec ...
Lecture 10 - KFUPM Faculty List
... exist in all media which exhibit self-focusing. There are also solitons in self-defocusing media, called dark or grey solitons. Mathematically they consist of a notch in a plane wave. In practice the wider the extent of the field in which the notch exists, the more stable is the dark soliton. The on ...
... exist in all media which exhibit self-focusing. There are also solitons in self-defocusing media, called dark or grey solitons. Mathematically they consist of a notch in a plane wave. In practice the wider the extent of the field in which the notch exists, the more stable is the dark soliton. The on ...
Noncollinear parametric amplification in the near
... slower while the idler is faster as plotted in figure 4. This interplay mechanism traps the three beams via the nonlinear process thus maximizing the conversion efficiency [46]. The favorable condition is still possible with a noncollinear phase matching geometry with type-II phase matching and it is ...
... slower while the idler is faster as plotted in figure 4. This interplay mechanism traps the three beams via the nonlinear process thus maximizing the conversion efficiency [46]. The favorable condition is still possible with a noncollinear phase matching geometry with type-II phase matching and it is ...
Investigation of Physical Properties in II-VI
... 5.0 microns thick, that were deposited on cleaved (100) faces of KCL rock salt substrates. The optical energy gap was determined from the position of the absorption edge in the absorption spectrum. The index of refraction was obtained using the interference fringe method. The absorption coefficient ...
... 5.0 microns thick, that were deposited on cleaved (100) faces of KCL rock salt substrates. The optical energy gap was determined from the position of the absorption edge in the absorption spectrum. The index of refraction was obtained using the interference fringe method. The absorption coefficient ...
Band gap characterization and slow light effects in
... 2WH + WS = 500 nm, slot core has a width of W S = 140 nm and a refractive index of n S = 1.65, which is typical of silicon nanocrystals in silicon oxide. Waveguide parameters are the result of a previous geometry optimization analysis performed in order to minimize propagation losses inside the wave ...
... 2WH + WS = 500 nm, slot core has a width of W S = 140 nm and a refractive index of n S = 1.65, which is typical of silicon nanocrystals in silicon oxide. Waveguide parameters are the result of a previous geometry optimization analysis performed in order to minimize propagation losses inside the wave ...
High figure-of-merit ultrathin metal transparent electrodes
... grid +2 nm Ni UTMF and achieved a sheet resistance of about 6.5 ⍀ / 䊐 and optical transparency exceeding 75%, the latter being similar to the all Ni G-UTMF 共same pattern兲. Figure 4 shows the wavelength dependence of the transparency of the Ni UTMF, Ni/Cu G-UTMF and, for comparison, of a standard ITO ...
... grid +2 nm Ni UTMF and achieved a sheet resistance of about 6.5 ⍀ / 䊐 and optical transparency exceeding 75%, the latter being similar to the all Ni G-UTMF 共same pattern兲. Figure 4 shows the wavelength dependence of the transparency of the Ni UTMF, Ni/Cu G-UTMF and, for comparison, of a standard ITO ...
Measuring and Reporting Electrical Conductivity in Metal
... the two wires. This method measures the total resistance of the sample, contacts, and wires. Because the equivalent circuit represents a number of resistors in series (Figure 2e), the resistance of the sample must be significantly larger than the total resistance of the contacts and the wire leads, w ...
... the two wires. This method measures the total resistance of the sample, contacts, and wires. Because the equivalent circuit represents a number of resistors in series (Figure 2e), the resistance of the sample must be significantly larger than the total resistance of the contacts and the wire leads, w ...
Selective plane illumination microscopy techniques in
... Photomultiplier. Glass vacuum tube in which a cascade of electrons is induced by the arrival of a single photon; fast, single channel detector commonly used in confocal microscopy. Positioning stages. Micromotors to control the position of the sample. Three motors can move the sample in all three di ...
... Photomultiplier. Glass vacuum tube in which a cascade of electrons is induced by the arrival of a single photon; fast, single channel detector commonly used in confocal microscopy. Positioning stages. Micromotors to control the position of the sample. Three motors can move the sample in all three di ...
Correction of sampling errors due to laser tuning
... it changes throughout a wavelength sweep. This information is then used to resample the fringe data from a grid of equal time intervals to a grid of equal frequency intervals [14, 15]. The third technique, the frequency-sampling method, also uses an auxiliary interferometer, but avoids the potential ...
... it changes throughout a wavelength sweep. This information is then used to resample the fringe data from a grid of equal time intervals to a grid of equal frequency intervals [14, 15]. The third technique, the frequency-sampling method, also uses an auxiliary interferometer, but avoids the potential ...
Ultrasonic nondestructive characterization of metallurgical reactions
... 3 . Nondestructive characterization of crystallization processes in metallic glasses Amorphous alloys, or glassy metals, are solids with frozen-in liquid structures . The absence of translational periodicity in the amorphous state along with the macroscopic compositional homogeneity are the main rea ...
... 3 . Nondestructive characterization of crystallization processes in metallic glasses Amorphous alloys, or glassy metals, are solids with frozen-in liquid structures . The absence of translational periodicity in the amorphous state along with the macroscopic compositional homogeneity are the main rea ...
Design of Refractive Index Profile for Multimode Optical Fibers with
... where nk is refractive index of k layer (k=0…N); nmax is the maximal core refractive index. Profile optimization leads to minimization of the objective function with great number of arguments, and simplex search method of Nelder and Mead can be applied, that can be submitted by [13,4] devoted to pro ...
... where nk is refractive index of k layer (k=0…N); nmax is the maximal core refractive index. Profile optimization leads to minimization of the objective function with great number of arguments, and simplex search method of Nelder and Mead can be applied, that can be submitted by [13,4] devoted to pro ...
Immersion microscopy based on photonic crystal materials
... or negative effective refractive index. Both signs of the effective refractive index have been observed in our experiments with surface plasmon immersion microscope, which is also shown to be capable of individual virus imaging. ...
... or negative effective refractive index. Both signs of the effective refractive index have been observed in our experiments with surface plasmon immersion microscope, which is also shown to be capable of individual virus imaging. ...
Ray tracing yair
... For the numbers just quoted, I = 191.7 μm which is large when compared with the radius of the fiber. Most fibers have a change in index much less than the value chosen here, and hence L is even larger. •Because of the inequality we can use the first term for n and the derivative of the second for dn ...
... For the numbers just quoted, I = 191.7 μm which is large when compared with the radius of the fiber. Most fibers have a change in index much less than the value chosen here, and hence L is even larger. •Because of the inequality we can use the first term for n and the derivative of the second for dn ...
U17301 - 3B Scientific
... Reflection of light on one edge of glass prism E11b Reflection of light on two edges of glass prism E11c Reflection of light on two glass prisms E11d Reflection of light on two glass prisms E11e Reflection of light on two glass prisms E12 Reflection of light on air prisms E13a Light ray passing a co ...
... Reflection of light on one edge of glass prism E11b Reflection of light on two edges of glass prism E11c Reflection of light on two glass prisms E11d Reflection of light on two glass prisms E11e Reflection of light on two glass prisms E12 Reflection of light on air prisms E13a Light ray passing a co ...
Coupling Ratio and Power Transmission to Core and Cladding
... The fusion process will change the structures and geometries of coupled fibers at the coupling region. These changes are complicated as the refractive indices and fiber geometries are made uncertain due to the slightly unstable torch flame and coupling ratio effect [5,6]. However, they tend to decr ...
... The fusion process will change the structures and geometries of coupled fibers at the coupling region. These changes are complicated as the refractive indices and fiber geometries are made uncertain due to the slightly unstable torch flame and coupling ratio effect [5,6]. However, they tend to decr ...