Hi, Can I draw a slice (or a line) through a 2D plot? I am trying to design the phase profile of a metalens and I have a phase profile already generated but I want to verify if my variables are correct. Below is the code I used.

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Isaac Oguntoye 2018-5-14

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https://ww2.mathworks.cn/matlabcentral/answers/400707-hi-can-i-draw-a-slice-or-a-line-through-a-2d-plot-i-am-trying-to-design-the-phase-profile-of-a-m

%Lens function clear all; close all; x0=input ('Inputting the location of the center of the collimated Gaussian beam x0=y0,enter x0 (from -8 to 8) ='); y0=x0; M=594; %M in microns N=594; %N in microns y=-29.7; ff=5; %unit in microns

for c=1:N; x=-29.7; for r=1:M; phi(r,c)=(2*pi/(0.65)).*(ff-((x-x0).^2+(y-y0).^2+ff^2).^0.5); phi(r,c)=phi(r,c)./57.3; x=x+0.1; end y=y+0.1; end arb=angle(phi); figure(3); imagesc(phi); colormap(gray);