Microwave propagation characteristics of a high-temperature superconducting variable spacing parallel plate transmission line

Wu, Chien-Jang
April 2001
Journal of Applied Physics;4/1/2001, Vol. 89 Issue 7
Academic Journal
A sinusoidal field solution for a high-temperature superconducting variable spacing parallel plate transmission line is derived. This solution demonstrates how to relate the propagation characteristics to the thicknesses and material parameters of the variable spacer and superconducting films in addition to the dielectric substrates. Then, a numerical analysis of the attenuation constant and phase velocity as a function of the dielectric spacer thickness is made. In addition, some further numerical results from this solution show that the roles played by the thicknesses of the two dielectric substrates are insignificant and can be neglected in practical microwave applications. © 2001 American Institute of Physics.


Related Articles

  • Microwave Transmission and Reflection for a Type-II Superconducting Superlattice in the Mixed State. Tsung-Wen Chang; Chien-Jang Wu // Journal of Superconductivity & Novel Magnetism;May2011, Vol. 24 Issue 4, p1315 

    The microwave reflection and transmission for a type-II superconducting superlattice in the mixed state are theoretically calculated based on the vortex dynamical model together with the transfer matrix method in a layered medium. The superlattice is made of alternating layers of...

  • Microwave propagation parameters in magnetic fluids. Fannin, P. C.; Malaescu, I.; Marin, C. N.; Stefu, N. // European Physical Journal E -- Soft Matter;Jul2009, Vol. 29 Issue 3, p299 

    Complex dielectric permittivity and complex magnetic permeability measurements of two magnetic fluids (as microwave propagation media), in the approximate range 0.2-5GHz were performed. The two samples consisted of magnetite nanoparticles, dispersed in kerosene and in water, respectively. Based...

  • Microwave breakdown initiated in a high-temperature superconducting film by thermal disturbances and defects. Buznikov, N. A.; Pukhov, A. A. // Technical Physics;May99, Vol. 44 Issue 5, p526 

    The effect of thermal disturbances and nonsuperconducting defects on the microwave breakdown of a high-temperature superconducting film is investigated theoretically. The dependence of the critical energy of thermal disturbances on the surface microwave field is obtained. It is shown that in a...

  • Flexible microwave system to measure the electron number density and quantify the communications... Gilchrist, B.E.; Ohler, S.G.; Gallimore, A.D. // Review of Scientific Instruments;Feb1997, Vol. 68 Issue 2, p1189 

    Describes a microwave interferometric system to be used in determining the effects of electromagnetic wave propagation through a plasma plume created by a space electric propulsion thruster. Employment of a microwave network analyzer; Minimization of plasma boundary effects by utilizing six...

  • Microwave surface resistance of HgBa[sub 2]CaCu[sub 2]O[sub 6+δ] thin films. Aga, Roberto S.; Yan, Shao-lin; Xie, Yiyuan; Han, Siyuan; Wu, Judy Z.; Jia, Quan-Xi; Kwon, Chuhee // Applied Physics Letters;3/20/2000, Vol. 76 Issue 12, p1606 

    Microwave surface resistance (R[sub s]) has been measured on c-axis-oriented superconducting HgBa[sub 2]CaCu[sub 2]O[sub 6+δ] (Hg-1212) films. A cavity perturbation method was employed using a high-Q Nb cavity cooled at 4.2 K. For the best film, an R[sub s] as low as ∼0.3 mΩ was...

  • Cable set to confound HTS critics. C.M. // Nature;10/20/1994, Vol. 371 Issue 6499, p641 

    Reports on the launching of a $6 million project to build a prototype underground power line using high-temperature superconductors. Project mounters include the Electric Power Research Institute, American Superconductor Corp., Pirelli and the laboratories of the Department of Energy.

  • Numerical studies on the electromagnetic properties of the nonlinear Lorentz computational model for dielectric media. Abe, Hirotada; Okuda, Hideo // Journal of Applied Physics;3/15/1995, Vol. 77 Issue 6, p2314 

    Presents information on a study which described the nonlinear Lorentz Computational Model , a computer simulation model, for the examination of electromagnetic wave propagation in a dielectric medium. Application of the model to femtosecond phenomena; Description of the model; Methodology;...

  • Electromagnetic wave propagation through an azimuthally perturbed helix. Basu, B. N.; Jha, R. K.; Sinha, A. K.; Kishore, L. // Journal of Applied Physics;11/1/1985, Vol. 58 Issue 9, p3625 

    Presents information on a study that developed a field analysis for the helical slow-wave structure of a traveling-wave tube in the anisotropic sheath helix model considering the effects of the azimuthal harmonics generated due to periodical positioning of the support bars around the helix. ...

  • A new magnetoplasma amplification effect in the optical frequency range. Iida, Takashi; Mizushima, Yoshihiko // Journal of Applied Physics;3/1/1994, Vol. 75 Issue 5, p2348 

    Analyzes the secular equation describing the wave instability in the Voight configuration of electromagnetic wave propagation for components perpendicular to the magnetic field. Categories of amplification in an optical frequency range; Types of propagating modes which have different...


Read the Article


Sorry, but this item is not currently available from your library.

Try another library?
Sign out of this library

Other Topics