Radiation of dipoles in multilayered cylinder with ferrite layer

1996-07-26
Aydin, O
Hizal, A
Radiation characteristics of infinitesimal dipole in multilayered circular cylindrical structure including gyromagnetic media are investigated. Transversal field equations in spectral domain are obtained for gyromagnetic medium in cylindrical coordinates. These expressions are formed into a set of linear differential equations. The solution at each layer is expressed in terms of state transition matrices. Fields are matched at the interfaces. Far fields are evaluated asymptotically. The effects of changing the bias field, the thickness of the layers, the frequency, and the medium parameters are examined.

Suggestions

Radiation characteristics of slot excited cylindrical antenna coated by layered anisotropic material
Aydin, O; Hizal, A (1996-05-16)
This paper presents the radiation characteristics of a slot antenna on a conducting circular cylinder coated with an anisotropic layer. Full wave equations in a cylindrical anisotropic medium are derived from transversal field equations using Fourier series in azimuth /spl phi/ and Fourier transform in axial coordinate z. The solution is expressed in terms of state transition matrices which are evaluated numerically. Formulation can be easily generalized to multilayered cylindrical structures. Effects of ch...
Synthesis of new conjugated donor-acceptor type polymers for photovoltaic device applications
Akpınar, Hava Zekiye; Toppare, Levent Kamil; Özkan, Necati; Department of Polymer Science and Technology (2015)
Electrochromism and photoelectric effect are the mostly investigated areas of conducting polymers. In electrochromism, electrochemical parameters of the polymers are firstly examined. Spectroelectrochemical studies are performed with specified wavelengths. Parameters, such as optical contrast and switching times of the polymer films are explored. In bulk heterojunction polymer solar cells, semiconducting polymer materials in combination with fullerene are used as the active layer. Photons are absorbed by co...
Investigation of structural and optical parameters of Cu-Ag-In-Se thin films deposited by thermal evaporation method
Gullu, H. H.; CANDAN, İDRİS; COŞKUN, EMRE; Parlak, Mehmet (2015-01-01)
Annealing effect on the structural and optical properties of the quaternary Cu-Ag-In-Se thin film deposited by the thermal evaporation has been investigated. The evaporation source was prepared by using vertical Bridgman-Stockbarger crystal growth system. Structural analysis indicated that annealing the films following to the deposition resulted in the changes from amorphous to polycrystalline phase with the preferred orientation along (1 1 2) direction. In order to determine the optical properties of the t...
Optical absorption of a quantum well with an adjustable asymmetry
Yildirim, H.; Tomak, Mehmet (Springer Science and Business Media LLC, 2006-04-01)
The effects of asymmetry and the electric field on the electronic subbands and the nonlinear intersubband optical absorption of GaAs quantum wells represented by a Poschl-Teller confining potential are studied. The potential itself can be made asymmetric through a correct choice of its parameter set and this adjustable asymmetry is important for optimizing the absorption. In that way optimal cases can be created. We calculate the modified wave functions and electronic subbands variationally. The linear and ...
Optical characteristics of Bi12SiO20 single crystals by spectroscopic ellipsometry
Isik, M.; Delice, S.; Nasser, H.; Hasanlı, Nızamı; Darvishov, N. H.; Bagiev, V. E. (Elsevier BV, 2020-12-01)
Structural and optical characteristics of Bi12SiO20 single crystal grown by the Czochralski method were investigated by virtue of X-ray diffraction (XRD) and spectroscopic ellipsometry measurements. XRD analysis indicated that the studied crystal possesses cubic structure with lattice parameters of a = 1.0107 nm. Spectral dependencies of several optical parameters like complex dielectric constant, refractive index, extinction and absorption coefficients were determined using ellipsometry experiments perform...
Citation Formats
O. Aydin and A. Hizal, “Radiation of dipoles in multilayered cylinder with ferrite layer,” 1996, p. 1836, Accessed: 00, 2020. [Online]. Available: https://hdl.handle.net/11511/65928.