Field solutions can be found analytically with the correct boundary conditions TM and TE modes see lecture notes TM010 accelerating mode Resonant frequency given by c speed of light ID: 1044237
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2. A simple coke can…A typical 330 ml coke can, resembles a cylindrical cavity.Field solutions can be found analytically with the correct boundary conditions.TM and TE modes (see lecture notes)TM010 – accelerating mode.Resonant frequency given by:c – speed of lightD – diameterx1 – 2.40483f=~3.5 GHz~65.6 mm~115.2 mm
3. 2D ModelModel ASuperfish2D cylindrical symmetry assumed. GeometryMesh
4. 2D ModelModel ASuperfishField normalisation: 1J stored energy/cavityf=~3.548 GHzField Lines1D Field Line (Ez on axis – full can)
5. 3D ModelModel BCST MicroWave StudioSymmetric (like the 2D model)GeometryMesh
6. 3D ModelModel BCST MicroWave Studiof=~3.549 GHzElectric FieldMagnetic Field
7. 3D ModelModel BCST MicroWave StudioField Normalisation: 1J stored energy/cavity1D Field Map (Ez on axis)Comparison with the 2D Superfish result
8. 3D ModelModel CCST MicroWave StudioAsymmetric (closer to an actual coke can geometry)GeometryMesh
9. 3D ModelModel CCST MicroWave StudioDifferent scalingf=~3.531 GHzElectric FieldMagnetic Field
10. 3D ModelModel CCST MicroWave StudioField Normalisation: 1J stored energy/cavity1D Field Map (Ez on axis)Comparisons…
11. 3D ModelModel DCST MicroWave StudioMost Details (curves, corners, etc)GeometryMesh
12. 3D ModelModel DCST MicroWave StudioDifferent scalingf=~3.398 GHzElectric FieldMagnetic Field
13. 3D ModelModel DCST MicroWave StudioField Normalisation: 1J stored energy/cavity1D Field Map (Ez on axis)Comparisons…
14. 3D ModelModel ECST MicroWave StudioFull Details Imported CAD Model (www.grabcad.com)
15. 3D ModelModel ECST MicroWave StudioGeometryMesh
16. 3D ModelModel ECST MicroWave StudioDifferent scaling f=~3.371 GHzElectric FieldMagnetic Field
17. 3D ModelModel ECST MicroWave StudioField Normalisation: 1J stored energy/cavity1D Field Map (Ez on axis)Comparisons…
18. Experimental MeasurementNetwork Analyser: Rohde & Schwarz ZNB8FrequencyQ-factor