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display_tools.m
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display_tools.m
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classdef display_tools
methods (Static)
function view_lens(Lens, Data, display_line, viewplane)
if mod(display_line,2) == 0
display_line = display_line+1;
end
if display_line > size(Data.X_1{1},2)
display_line = size(Data.X_1{1},2);
end
switch viewplane
case {'3D',3}
display_line_position_x = linspace(-Lens.aperture/2,Lens.aperture/2,display_line);
display_line_position_y = linspace(-Lens.aperture/2,Lens.aperture/2,display_line);
[dlpx, dlpy] = meshgrid(display_line_position_x,display_line_position_y);
dlpx = reshape(dlpx,1,numel(dlpx)); dlpy = reshape(dlpy,1,numel(dlpy));
index_x = []; index_y = [];
for i = 1:numel(dlpx)
id_x = find(Data.X_1{1}(2,:) == dlpx(i)); id_y = find(Data.Y_1{1}(2,:) == dlpy(i));
index_x = [index_x, id_x]; index_y = [index_y, id_y];
end
index = intersect(index_x,index_y);
figure('units','normalized','outerposition',[0 0 1 1],'color','k')
for n = 1:numel(Lens.distance)
if Lens.material(n)==1
line_color = 'g'; lin_wid = 0.1;
else
line_color = [.5 .5 .5]; lin_wid = 1;
end
plot3(Data.Z_1{n}(:,index)-sum(Lens.distance(1:Lens.surface_num)),Data.X_1{n}(:,index),Data.Y_1{n}(:,index), ...
'color',line_color,'linewidth',lin_wid)
hold on
end
xlim([-sum(Lens.distance(1:Lens.surface_num)),sum(Lens.distance(Lens.surface_num+1:end))])
ylim([-Lens.aperture*1.2/2,Lens.aperture*1.2/2])
axis equal; grid on; xlabel('z (mm)'); ylabel('x (mm)'); zlabel('y (mm)'); title('View Lens')
%% Lens Drawing
x = linspace(-Lens.aperture*1.2/2,Lens.aperture*1.2/2,1001); y = linspace(-Lens.aperture*1.2/2,Lens.aperture*1.2/2,1001);
[x, y] = meshgrid(x,y);
r = sqrt(x.^2+y.^2);
x(r>Lens.aperture*1.2/2) = nan; y(r>Lens.aperture*1.2/2) = nan; r(r>Lens.aperture*1.2/2) = nan;
spher_z = @(r,R) r.^2./(R*(1+sqrt(1-(r.^2/R.^2)))); % Spherical surface
c(:,:,1) = ones(size(x,1));c(:,:,2) = ones(size(x,1));c(:,:,3) = ones(size(x,1)); % color for surf
for i = 1:Lens.surface_num
z = spher_z(r,Lens.y_radius(i));
surf(z-sum(Lens.distance(1:Lens.surface_num))+sum(Lens.distance(1:i)),x,y,c,...
'EdgeColor', 'none', 'FaceLighting','phong', 'FaceColor', 'interp', 'FaceAlpha', 0.5, ...
'AmbientStrength', 0., 'SpecularStrength', 1 );
hold on
end
hold off
case {'xz','XZ',1}
off_axis_data = Data.Y_1;
on_axis_data = Data.X_1;
label_name = 'x';
propagate_axis_data = Data.Z_1;
on_axis_index = find(off_axis_data{1}(2,:)==0); % find on-axis data index
Lens.aperture_radius = Lens.aperture/2;
display_line_position = linspace(-Lens.aperture_radius,Lens.aperture_radius,display_line);
display_index = [];
for n = 1:display_line
inx = find(on_axis_data{1}(2,:) == display_line_position(n)); % find data
display_index = [display_index,inx];
end
index = intersect(on_axis_index,display_index);
figure('units','normalized','outerposition',[0 0 1 1],'color','k')
for n = 1:numel(Lens.distance)
if Lens.material(n)==1
line_color = 'g';
lin_wid = 0.5;
else
line_color = [.9 .9 .9];
lin_wid = 3;
end
plot(propagate_axis_data{n}(:,index)-sum(Lens.distance(1:Lens.surface_num)),on_axis_data{n}(:,index), ...
'color',line_color,'linewidth',lin_wid)
hold on
end
axis equal; grid on; xlabel('z (mm)'); ylabel([label_name,' (mm)']); title('View Lens')
xlim([-sum(Lens.distance(1:Lens.surface_num)),sum(Lens.distance(Lens.surface_num+1:end))])
ylim([-Lens.aperture*1.2/2,Lens.aperture*1.2/2])
%% Lens Drawing
on_axis = linspace(-Lens.aperture*1.2/2,Lens.aperture*1.2/2,1001);
spher_z = @(r,R) r.^2./(R*(1+sqrt(1-(r.^2/R.^2)))); % Spherical surface
for i = 1:Lens.surface_num
z = spher_z(on_axis,Lens.y_radius(i));
plot(z-sum(Lens.distance(1:Lens.surface_num))+sum(Lens.distance(1:i)),on_axis,':','color','w')
hold on
end
hold off
case {'yx','YZ',2}
off_axis_data = Data.X_1;
on_axis_data = Data.Y_1;
label_name = 'y';
propagate_axis_data = Data.Z_1;
on_axis_index = find(off_axis_data{1}(2,:)==0); % find on-axis data index
Lens.aperture_radius = Lens.aperture/2;
display_line_position = linspace(-Lens.aperture_radius,Lens.aperture_radius,display_line);
display_index = [];
for n = 1:display_line
inx = find(on_axis_data{1}(2,:) == display_line_position(n)); % find data
display_index = [display_index,inx];
end
index = intersect(on_axis_index,display_index);
figure('units','normalized','outerposition',[0 0 1 1],'color','k')
for n = 1:numel(Lens.distance)
if Lens.material(n)==1
line_color = 'g';
lin_wid = 0.5;
else
line_color = [.9 .9 .9];
lin_wid = 3;
end
plot(propagate_axis_data{n}(:,index)-sum(Lens.distance(1:Lens.surface_num)),on_axis_data{n}(:,index), ...
'color',line_color,'linewidth',lin_wid)
hold on
end
axis equal; grid on; xlabel('z (mm)'); ylabel([label_name,' (mm)']); title('View Lens')
xlim([-sum(Lens.distance(1:Lens.surface_num)),sum(Lens.distance(Lens.surface_num+1:end))])
ylim([-Lens.aperture*1.2/2,Lens.aperture*1.2/2])
%% Lens Drawing
on_axis = linspace(-Lens.aperture*1.2/2,Lens.aperture*1.2/2,1001);
spher_z = @(r,R) r.^2./(R*(1+sqrt(1-(r.^2/R.^2)))); % Spherical surface
for i = 1:Lens.surface_num
z = spher_z(on_axis,Lens.y_radius(i));
plot(z-sum(Lens.distance(1:Lens.surface_num))+sum(Lens.distance(1:i)),on_axis,':','color','w')
hold on
end
hold off
end
pause(0.01)
end
function spot_diagram(Data)
figure('color','k')
plot(Data.X_1{end}(2,:),Data.Y_1{end}(2,:),'.')
axis equal; title('Spot Diagram')
xlabel('x (mm)'); ylabel('y (mm)')
pause(0.01)
end
function transmission_plane(trans_plane_data)
figure('color','k')
pcolor(trans_plane_data.x,trans_plane_data.y,trans_plane_data.OP-min(trans_plane_data.OP,[],'all'))
title('Transmission Optical Path Difference')
xlabel('x (mm)'); ylabel('y (mm)')
axis equal; shading flat; colorbar; colormap('jet')
pause(0.01)
end
function line_spread_function(LSF_data,diffra_limit)
figure('color','k')
plot(LSF_data.Monitor_y,LSF_data.Power_normalize,'linewidth',.5,'color',[0.93,0.69,0.13])
hold on
plot(diffra_limit.y,diffra_limit.I,':','linewidth',.5,'color','w')
xlabel('x (mm)'); ylabel('Normalize Intensity')
title('Line Spread Function',['Strehl Ratio = ',num2str(LSF_data.Strehl_ratio)])
grid on
ax = gca; ax.GridColor = [0.32 0.32 0.32];
pause(0.01)
end
function point_spread_function(Switch,PSF_data,trans_plane_data,focal_plane_position)
if Switch(1)==1
plot_z = PSF_data.Monitor_z-trans_plane_data.dz;
[~, index_z_1] = find(PSF_data.Intensity_normalize==1);
[~, index_z_2] = min(abs(plot_z-focal_plane_position));
disp(['Best Focus Plane = ',num2str(plot_z(index_z_1)),' mm'])
figure('color','k')
p1 = pcolor(plot_z,PSF_data.Monitor1_y,PSF_data.Power_normalize);
p2 = line([plot_z(index_z_1) plot_z(index_z_1)],[PSF_data.Monitor1_y(1) PSF_data.Monitor1_y(end)], ...
'color','w','linewidth',0.5,'linestyle',':');
p3 = line([plot_z(index_z_2) plot_z(index_z_2)],[PSF_data.Monitor1_y(1) PSF_data.Monitor1_y(end)], ...
'color','y','linewidth',0.5,'linestyle','-');
title('Point Spread Function YZ',['Best Focus Plane = ',num2str(plot_z(index_z_1)),' mm'])
legend([p2, p3],'Best Focus Plane','Focus Plane','Location','northwest','NumColumns',1)
colormap('jet'); shading interp; xlabel('z (mm)'); ylabel('y (mm)'); colorbar
pause(0.01)
end
%%
if Switch(2)==1
figure('color','k')
surf(PSF_data.Monitor2_x,PSF_data.Monitor2_y,PSF_data.Power_normalize_xy)
title('Point Spread Function XY',['Strehl Ratio = ',num2str(PSF_data.Strehl_ratio_xy)])
colormap('jet'); shading interp; xlabel('x (mm)'); ylabel('y (mm)'); zlabel('Normalize Intensity'); colorbar
pause(0.01)
end
end
function MTF(Lens,LSF_data,diffra_limit,ang_y)
LSF = LSF_data.Power;
OTF = fftshift(fft(LSF));
MTF = abs(OTF);
MTF = MTF./max(MTF);
size = length(MTF);
D = Lens.aperture;
a = linspace(-size/2,size/2,size);
f = a*(1/D);
figure('color','k')
plot(diffra_limit.f,diffra_limit.MTF',':','linewidth',.5,'color','w')
hold on
plot(f,MTF,'linewidth',.5,'color',[0.93,0.69,0.13])
xlim([0,diffra_limit.cutoff_freq])
title('Diffraction MTF')
xlabel('cycles / mm')
ylabel('Modulation')
grid on
legend('Diffraction Limit',['Ang ',num2str(ang_y),' degree'])
ax = gca;
ax.GridColor = [0.32 0.32 0.32];
pause(0.01)
end
end
end