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dielectric waveguide

Pulse Signals in Open Circular Dielectric Waveguide

Pulse Signals in Open Circular Dielectric Waveguide

... We have analyzed a short pulse excitation and propagation in a circular dielectric waveguide. Some effects of pulse wave propagation in such a structure were first described and interpreted. From analysis ...

9

Complex permittivity measurements at Ka-Band using rectangular dielectric waveguide

Complex permittivity measurements at Ka-Band using rectangular dielectric waveguide

... true dielectric constant is by means of an optimization procedure, from which the loss factor (and hence, the loss tangent) and accurate sample thickness can be determined by using a suitable objective func- ...

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Dielectric waveguide vertically coupled to all silicon photodiodes operating at telecommunication wavelengths

Dielectric waveguide vertically coupled to all silicon photodiodes operating at telecommunication wavelengths

... This approach shares many similarities with the previ- ous work on defect-mediated detection in ring resona- tors. 6,17,18 While the Q-factor is similar in both cases, the finesse of the PhC cavity is significantly ...

5

TM Mode Analysis in a Metamaterial Based Dielectric Waveguide

TM Mode Analysis in a Metamaterial Based Dielectric Waveguide

... based dielectric waveguide is proposed and ...based waveguide, typical backward wave characteristic of volume and surface wave modes are found from the distribution of Poynting power to the ...

14

A Detailed Study of a Dielectric Waveguide Structure for an Enhanced Evanescent Wave Atom Mirror

A Detailed Study of a Dielectric Waveguide Structure for an Enhanced Evanescent Wave Atom Mirror

... resonant dielectric waveguide structure is placed upon the prism so that a large energy is confined into the waveguide which is placed between two mediums of low index ...a waveguide mode, ...

12

Attenuation of a shielded rectangular dielectric rod waveguide

Attenuation of a shielded rectangular dielectric rod waveguide

... rectangular dielectric line enclosed by a rectangular shield is obtained by the use of a rig- orous mode-matching method to calculate the required mode field ...the waveguide is overlaid by a grid, and ...

6

Dielectric Circular Waveguide Loaded with Dielectric Material

Dielectric Circular Waveguide Loaded with Dielectric Material

... metal waveguide may be characterized by reflections from the conducting ...the dielectric waveguide consists of dielectrics only and employs reflections from dielectric interfaces to propagate ...

8

Mode-matching analysis of a shielded rectangular dielectric-rod waveguide

Mode-matching analysis of a shielded rectangular dielectric-rod waveguide

... cross-sectional dielectric waveguides are widely used at millimeter ...square dielectric waveguide is notoriously difficult to analyze because of the singular behavior of the fields at the ...low ...

9

New Method for Ultra Wide Band and High Gain Rectangular Dielectric Rod Antenna Design

New Method for Ultra Wide Band and High Gain Rectangular Dielectric Rod Antenna Design

... It is not possible to derive a precise analytical solution for a rectangular dielectric waveguide. However, for rectangular dielectric waveguide there are two well-known approximate solutions. ...

13

Modeling Open Transitions of the “Horn” Type between Open Planar Waveguides

Modeling Open Transitions of the “Horn” Type between Open Planar Waveguides

... The zeroth order approximation of the generalization of the incomplete Galerkin method leads to a Sturm-Liouville problem, which is similar to that defining modes of the regular planar waveguide. This fact allows ...

6

Design of Spectral Filters Based on Mode Coupling of Optical Fibers

Design of Spectral Filters Based on Mode Coupling of Optical Fibers

... In this paper, design of optical spectral filters based on mode coupling of optical fibers is presented. The finite difference method is applied to find the dispersion characteristics of optical fiber coupler ...

6

Propagation in a Helical Waveguide with Inhomogeneous Dielectric Profiles in Rectangular Cross Section

Propagation in a Helical Waveguide with Inhomogeneous Dielectric Profiles in Rectangular Cross Section

... curved dielectric waveguide of rectangular cross section was described in ...the dielectric and free-space regions were treated ...the dielectric waveguide, the transverse field was ...

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ADMITTANCE CHARACTERISTICS OF DIELECTRIC LOADED INCLINED SLOTS IN THE NARROW WALL OF A RECTANGULAR WAVEGUIDE

ADMITTANCE CHARACTERISTICS OF DIELECTRIC LOADED INCLINED SLOTS IN THE NARROW WALL OF A RECTANGULAR WAVEGUIDE

... unloaded dielectric waveguide slots, the frequency of resonance is found to be much lower in the case of dielectric loaded ...that dielectric loading has considerable effect on the variation ...

9

Sinrd Circuits Analysis with WCIP

Sinrd Circuits Analysis with WCIP

... The dielectric waveguides have received little attention in the past because of two fundamental problems: radiation losses due to discontinuities and difficulty to transcribe these circuits in planar ...NonRadiative ...

9

Loss Mechanisms in SIW and Msiw

Loss Mechanisms in SIW and Msiw

... mechanisms, dielectric and radiation losses as well as the portion of conductor losses related to the surfaces of vias are all proportional to h, while conductor losses of the top and bottom metallic layers are ...

11

Electron terahertz interaction in dielectric lined waveguide structures for electron manipulation

Electron terahertz interaction in dielectric lined waveguide structures for electron manipulation

... A corrugated rectangular metallic waveguide, such as shown in Figure 4, is a simple alternative to the DLW. It is similar to a conventional iris-loaded cavity in that longitudinal variation in the aperture serves ...

7

Accurate Modeling of Coupling Junctions in Dielectric Covered Waveguide Slot Arrays

Accurate Modeling of Coupling Junctions in Dielectric Covered Waveguide Slot Arrays

... thin dielectric layer to pressurize the waveguide in order to increase the maximum allowed power, or simply for ...this dielectric cover significantly modifies the array ...

13

Analysis of shielded rectangular dielectric rod waveguide using mode matching

Analysis of shielded rectangular dielectric rod waveguide using mode matching

... mode dielectric loaded ...a dielectric loaded version of the combline filter which combined the merits of the metallic combline and dielectric loaded ...

193

Analysis of shielded rectangular dielectric rod waveguide using mode matching

Analysis of shielded rectangular dielectric rod waveguide using mode matching

... 5.17 Break up of the calculated Q factor components of the E 11 y mode for 85mm long, WR159 shielded, square cross-section dielectric rod res- onator. The upper graph shows all the Q components due to ...

18

Instability Driven by a Finitely Thick Annular Beam in a Dielectric-Loaded Cylindrical Waveguide

Instability Driven by a Finitely Thick Annular Beam in a Dielectric-Loaded Cylindrical Waveguide

... cylindrical waveguide are studied using a new version of the self-consistent linear theory considering three-dimensional beam ...cylindrical waveguide with a finitely thick annular ...a ...

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