SpletA single-polarization solid-core anti-resonant fiber is proposed, and the influence of the fiber core material anisotropy of the solid-core anti-resonant fiber on polarization characteristics is investigated using the finite element method. Single-polarization guidance is achieved by using the anisotropy of optical fiber materials, which also ensures high birefringence. The … Splet04. jun. 1998 · Optical interband absorption between confined carrier states is studied in PbTe/Pb 1−x Eu x Te multiple quantum wells (MQWs). The frequency dependence of the refractive index is calculated by the Kramers–Kronig transformation of the absorption coefficient of the MQWs. It is shown that the observed interference fringes in …
Sensors Special Issue : Sensors: 20th Anniversary
SpletCalculated optical spectra of IV-VI semiconductors PbS, PbSe and PbTe Author ALBANESI, E. A 1 2; PELTZER Y BLANCA, E. L 3; PETUKHOV, A. G 4 [1] INTEC-CONICET, Guemes 3450, 3000 Santa Fe, United States [2] Facultad de Ingenieria, UNER, 3100 Oro Verde, Argentina [3] IFLYSIB-CONICET and GEMyDE, Facultad de Ingenieria, UNLP, 1900 La Plata, Argentina … Splet22. feb. 1993 · FIG. 1. Upper panel: transmission PbTe/Pb, -,Eu,Te MQW sample with PbTe well widths of 62 A and 46 periods, at T=77 K. Circles: experimental data; full lines: calculated data. Lower panel: absorption coefficient (dashed lines) in the QWs and in the Pbt-,Eu,Te buffer and barrier layers. Interband transitions are indicated. Also shown are … fiche micro jack
The refractive index of compounds PbTe, PbSe, and PbS
SpletM. Xu. L. Yu. The densities, refractive indices, and viscosities of ethyl acetate + 1, 2-propanediol binary mixture were measured at temperatures in the range of 298.15-323.15 … Splet01. jan. 1991 · Refractive index data of PbTe films, for IR-wavelengths between 5 and 12.5 mm, at 300, 130 and 80 K, obey the linear dependence of 1 (n 2 −1) vs photon-energy squared. This dependence results from the single-efiective-oscillator model of … SpletThe refractive index n of a medium (e.g., water, olive oil, etc.), also called the index of refraction, is defined as the quotient of the speed of light in vacuum c and the speed of light in the medium v. It is a dimensionless number that depends on the temperature of the medium and the wavelength of the light beam. fiche microorganisme