Alternative term: modal index More general term: refractive index Category: fiber optics and waveguides Units: (dimensionless) Formula symbol: neff Page views in 12 months: 11962 DOI: 10.61835/avr Cite the article: BibTex plain textHTML Link to this page! LinkedInThe effective refractive index ...
The effective refractive index for the first-order reflection鈥搑efraction event (i.e., the case for the ray-transmission from air into a particle) has been previously derived by the authors. In this study, we further develop recurrence formulae for the effective refractive indices associated ...
For propagation in a homogeneous medium, it is 2π/λ = 2πn/λ0, where the refractive index n can be written as the square root of ϵμ, the product of the relative permittivity and permeability. 2021-12-06 How can I calculate the propagation constant for a fiber given the values ...
the wavelength (even if the unit cell is not). In conclusion, an effective refractive index of a photonic crystal defined by its dispersion surface does not necessarily predict its reflection and transmission properties according to the Fresnel formulae, and hence相关...
The middle part of the core, being a region of lower refractive index, does not confine the power, and thus the power gets distributed over a larger area. This reduces the peak power in the core and increases the effective area of the fiber. Figure 2.22 shows the distribution of power ...
d) and refractive index (n) of glass and SnO2 layer as well as the n value of the perovskite layer, various d values of the wet perovskite layer are given to the model as input until a >99% good of a fit to the spectra is achieved. Solvent mass change vs. time...
The obtained reflection (S11) and transmission (S21) coefficient results were employed to compute the effective medium parameters of the MSM structure, i.e., permeability (μ), permittivity (ε), refractive index (n), and impedance (z) values. The famous Robust method was adopted for this ...
Usually, the electronic polarizability is determined by measuring the refractive index in the visible or ultraviolet region, and the ionic polarizability is then determined by extrapolating the refractive index spectrum to frequencies much lower than the visible region—generally, in the infrared region,...
36. The composition of claim 27 wherein calcium chloride is added to the aqueous phase to match the refractive index of the aqueous phase to the refractive index of the organic phase. 37. An emulsified, water-in-oil topically-effective composition comprising: (a) about 65% to about 99.5...
Preferably, the cosmetic or dermatological composition comprises as component (a), a micronized, insoluble substance which has a particle size of 0.01 to 5 μm and the average refractive index of this particle (n[parallel]+n[perpendicular]/2) differs not more than 0.3 from the refractive index...