| /dokumenty/skolni/ZPOP/index_lomu/ZPOP_05.pdf |
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| /dokumenty/skolni/ZPOP/polarizace/img/depolarizer.fig |
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| /dokumenty/skolni/ZPOP/polarizace/img/depolarizer.png |
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| /dokumenty/skolni/ZPOP/polarizace/img/laser.fig |
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| /dokumenty/skolni/ZPOP/polarizace/img/laser.png |
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| /dokumenty/skolni/ZPOP/polarizace/img/paska.fig |
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| /dokumenty/skolni/ZPOP/polarizace/img/paska.png |
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| /dokumenty/skolni/ZPOP/polarizace/img/poincaresphere.m |
|---|
| 0,0 → 1,161 |
| function poincaresphere(I0,I45,I90,I135,Icr,Icl) |
| % COMPUTED PARAMETERS |
| %Stokes vectors |
| S0 = I0 + I90; |
| S1 = I0 - I90; |
| S2 = I45 - I135; |
| S3 = Icr - Icl; |
| P = sqrt( S1^2 + S2^2 + S3^2 ) / S0; |
| S = [S1 S2 S3]./S0; |
| fprintf('P = %f\n',P); |
| fprintf('S = (%f,%f,%f)\n',S(1),S(2),S(3)); |
| % DRAWING SPHERE |
| % Sphere |
| [X Y Z] = sphere(20); |
| mesh(X,Y,Z,'edgecolor',[0.5 0.5 0.5]); |
| alpha(0.2); |
| axis equal; |
| hold on; |
| % DRAWING CIRCLES |
| % circle in Sx,Sy plane |
| t = 0:0.001:2*pi; |
| n = length(t); |
| Kx = cos(t); |
| Ky = sin(t); |
| Kz = zeros(n,1); |
| plot3(Kx,Ky,Kz,'LineWidth',2); |
| % circle Sy,Sz plane |
| Kx = zeros(n,1); |
| Ky = cos(t); |
| Kz = sin(t); |
| plot3(Kx,Ky,Kz,'LineWidth',2); |
| % circle in Sx,Sz plane |
| Kx = cos(t); |
| Ky = zeros(n,1); |
| Kz = sin(t); |
| plot3(Kx,Ky,Kz,'LineWidth',2); |
| % DRAWING AXES |
| % axis connecting 135 and 45 |
| x = [0 0]; |
| y = [-1.3 1.3]; |
| z = [0 0]; |
| plot3(x,y,z,'LineWidth',2,'Color',[0 1 0]); |
| text(0,1.4,0,'+S_y (45 st.)'); |
| text(0,-1.4,0,'-S_y (135 st.)'); |
| % axis connecting 0 and 90 |
| x = [1.3 -1.3]; |
| y = [0 0]; |
| z = [0 0]; |
| plot3(x,y,z,'LineWidth',2,'Color',[0 1 0]); |
| text(1.4,0,0,'+S_x (0 st.)'); |
| text(-1.4,0,0,'-S_x (90 st.'); |
| % axis connecting CR and CL |
| x = [0 0]; |
| y = [0 0]; |
| z = [1.3 -1.3]; |
| plot3(x,y,z,'LineWidth',2,'Color',[0 1 0]); |
| text(0,0,1.4,'+S_z (CR)'); |
| text(0,0,-1.4,'-S_z (LR)'); |
| % plot Poincare vector |
| quiver3(0,0,0,S(1),S(2),S(3),'Color',[1 0 0],'LineWidth',3,'MaxHeadsize',6); |
| s = ['S = ' '(' num2str(S(1),'%1.3f') ', ' num2str(S(2),'%1.3f') ', ' num2str(S(3),'%1.3f') ')']; |
| m = sqrt( S(1)^2 + S(2)^2 + S(3)^2 ); |
| P = [S(1)/m S(2)/m S(3)/m]; |
| text(P(1)+0.1,P(2)+0.1,P(3)+0.1,s); |
| plot3(P(1),P(2),P(3),'r.','MarkerSize',25); |
| /dokumenty/skolni/ZPOP/polarizace/malusuv_zakon.png |
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| /dokumenty/skolni/ZPOP/polarizace/plot.gp |
|---|
| 0,0 → 1,18 |
| set terminal png |
| set key off |
| set grid |
| set angles degrees |
| f(x)=I0 * (cos(x))**2 + c |
| g(x)=I0 * (sin(x) * cos(x))**2 + a |
| set xlabel "fi[°]" |
| set ylabel "I[-]" |
| fit f(x) "rotace_filtru.txt" using 1:2 via I0, c |
| set output "malusuv_zakon.png" |
| plot "rotace_filtru.txt" using 1:2 with points, f(x) |
| /dokumenty/skolni/ZPOP/polarizace/polarizace.pdf |
|---|
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| /dokumenty/skolni/ZPOP/polarizace/rotace_filtru.txt |
|---|
| 0,0 → 1,20 |
| 90 0.3 |
| 80 2.9 |
| 70 9.7 |
| 60 20.3 |
| 50 34.1 |
| 40 48 |
| 30 61 |
| 20 72.4 |
| 10 79.1 |
| 0 81.5 |
| -10 79 |
| -20 72 |
| -30 61.7 |
| -40 49.9 |
| -50 35 |
| -60 22 |
| -70 10 |
| -80 2.9 |
| -90 0.3 |
