55 lines
1.9 KiB
Matlab
55 lines
1.9 KiB
Matlab
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function [CSX mesh] = CreateCRLH(CSX, mesh, CRLH, resolution, translate)
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% function [CSX mesh] = CreateCRLH(CSX, mesh, CRLH, resolution, translate)
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%
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% support function to create a CRLH unit cell
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%
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% currently used by Tutorials/CRLH_Extraction
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%
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% Tested with
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% - Matlab 2009b
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% - openEMS v0.0.23
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%
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% (C) 2011 Thorsten Liebig <thorsten.liebig@gmx.de>
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if (nargin<5)
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translate = [0 0 0];
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end
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CSX = AddMetal(CSX, 'metal_top');
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one_two_third = [-resolution/3 2*resolution/3];
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start = [-CRLH.LL/2 -CRLH.LW/2 CRLH.TopSig]+translate;
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stop = [-CRLH.GLT/2 CRLH.LW/2 CRLH.TopSig]+translate;
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CSX = AddBox(CSX, 'metal_top', 10, start, stop);
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mesh.x = [mesh.x start(1) stop(1)+one_two_third];
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mesh.y = [mesh.y start(2)-one_two_third stop(2)+one_two_third];
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start = [+CRLH.LL/2 -CRLH.LW/2 CRLH.TopSig]+translate;
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stop = [+CRLH.GLT/2 CRLH.LW/2 CRLH.TopSig]+translate;
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CSX = AddBox(CSX, 'metal_top', 10, start, stop);
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mesh.x = [mesh.x start(1) stop(1)-one_two_third];
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CSX = AddMetal(CSX, 'metal_bot');
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start = [-(CRLH.LL-CRLH.GLB)/2 -CRLH.LW/2 CRLH.BottomSig]+translate;
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stop = [+(CRLH.LL-CRLH.GLB)/2 CRLH.LW/2 CRLH.BottomSig]+translate;
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CSX = AddBox(CSX, 'metal_bot', 10, start, stop);
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mesh.x = [mesh.x start(1)-one_two_third stop(1)+one_two_third];
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start = [-CRLH.SW/2 -CRLH.LW/2-CRLH.SL CRLH.BottomSig]+translate;
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stop = [+CRLH.SW/2 CRLH.LW/2+CRLH.SL CRLH.BottomSig]+translate;
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CSX = AddBox(CSX, 'metal_bot', 10, start, stop);
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mesh.x = [mesh.x start(1)-one_two_third stop(1)+one_two_third];
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mesh.y = [mesh.y start(2) stop(2)];
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CSX = AddMetal(CSX, 'via');
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start = [0 -CRLH.LW/2-CRLH.SL+CRLH.SW/2 0]+translate;
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stop = [0 -CRLH.LW/2-CRLH.SL+CRLH.SW/2 CRLH.BottomSig]+translate;
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CSX = AddCylinder(CSX, 'via', 10, start, stop, CRLH.VR);
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mesh.x = [mesh.x start(1)+[-1 0 1]*CRLH.VR];
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mesh.y = [mesh.y start(2)+[-1 0 1]*CRLH.VR];
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start(2) = -start(2);
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stop(2) = -stop(2);
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CSX = AddCylinder(CSX, 'via', 10, start, stop, CRLH.VR);
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mesh.y = [mesh.y start(2)+[-1 0 1]*CRLH.VR];
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end
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