Author

# G.H. Glover

Bio: G.H. Glover is an academic researcher. The author has contributed to research in topics: Reflection (physics). The author has an hindex of 1, co-authored 1 publications receiving 31 citations.

Topics: Reflection (physics)

##### Papers

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01 Jan 1990

197 citations

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TL;DR: In this article, an enhanced transmission reflection technique for the precise determination of the complex permittivity of dielectric materials partially filling the cross section of a rectangular waveguide is described.

Abstract: An enhanced transmission reflection technique for the precise determination of the complex permittivity of dielectric materials partially filling the cross section of a rectangular waveguide is described Dielectric properties are determined by an iterative procedure from two-port S-parameter measurements and a numerically generated propagation constant obtained from the analysis of a partially filled waveguide Convergence of the solution is ensured from perturbational approximations Unlike previous approaches, an uncertainty investigation is performed, taking into account all the parameters involved in the dielectric characterization Permittivity accuracy values are presented and, hence, an optimum measurement setup can be established Measurements of reference materials have been carried out to validate the method

87 citations

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01 Jan 2008

TL;DR: In this paper, a complex gyrator circuit of a Weakly Magnetized Junction Circulator (WMJC) is described, and the degree-2 Circulator Gap effects in Circulator Assemblies Suspended Planar Resonator Passband Frequencies of a Three-Port Junction in Immittance Plane Open Walls Spinwave Instability in Magnetic Insulators Frequency Doubling in Ferrites Second-Order Intermodulation in Magnetic insulators Temperature Stability of Magnetic Insulator Below the Kittel Line Third-Order intermodulation Products in Nonlinear Devices in Non Linear Devices

Abstract: This chapter contains sections titled: Complex Gyrator Circuit of Weakly Magnetized Junction Circulator Very Weakly Magnetized Gyromagnetic Resonator Weakly Magnetized Gyromagnetic Resonator Moderately Magnetized Gyromagnetic Resonator The Degree-2 Circulator Gap Effects in Circulator Assemblies Suspended Planar Resonator Passband Frequencies of a Three-Port Junction in Immittance Plane Open Walls Spinwave Instability in Magnetic Insulators Frequency Doubling in Ferrites Second-Order Intermodulation in Magnetic Insulators Temperature Stability of Magnetic Insulators Below the Kittel Line Third-Order Intermodulation Products in Nonlinear Devices

34 citations

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TL;DR: In this paper, the uncertainty of measurements of the complex permittivity epsilon /sub r/ and permeability mu /subr/ as a function of the normalized sample length l/ Lambda'due to the measured errors in the scattering coefficients S/sub 11/ and S/ sub 21/ is discussed.

Abstract: The uncertainty of measurements of the complex permittivity epsilon /sub r/ and permeability mu /sub r/ as a function of the normalized sample length l/ Lambda ' due to the measured errors in the scattering coefficients S/sub 11/ and S/sub 21/ is discussed. A simple analysis of epsilon /sub r/ and mu /sub r/ and some measured data are given, which allows one to determine the extent of l/ Lambda ' and maximum uncertainty of the combined total transmission-reflection method in application to radar absorber measurements. >

34 citations

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TL;DR: In this article, the relative dielectric constant er of high resistivity GaAs has been measured at 70.243 GHz as a function of temperature between 100 and 300°K.

Abstract: The relative dielectric constant er of high‐resistivity GaAs has been measured at 70.243 GHz as a function of temperature between 100 and 300°K. The measuring technique utilized a circular E field (TE°01) mode reflection‐coefficient bridge. Estimated relative and absolute accuracies of the measurements are ±0.2% and ±0.5%, respectively. The results are found to fit the equation er(T) = er(0){1 + αT} where er(0) = 12.73 ±.07 and α = (1.2 ± 0.1) × 10−4. At room temperature (295°K) the relative permittivity is er = 13.18 ±.07.

30 citations