Overlap integral of the electric field distribution
조회 수: 53 (최근 30일)
이전 댓글 표시
Hi, I am trying to calculate overlap integral (OI) of electric field distribution, using Matlab, when run the following code:
xc = linspace(0,1,M);
yc = linspace(0,1,M);
A = E1 * E2;
B = (abs(trapz(xc,trapz(yc, abs(A))) ) ).^2;
C = trapz(xc,trapz(yc, abs(E1).^2)) * trapz(xc,trapz(yc, abs(E2).^2 ));
OI = B./C;
where E1 is the electric field distribution of the desired mode and E2 is polarized mode. Both E1 and E2 are matrices of size MxM.
but, I have got this error: Error using trapz (line 57) *LENGTH(X) must equal the length of Y in dim 1.
댓글 수: 3
Suresh Chejarla
2023년 5월 25일
Hello,
Can you please provide the reference for the OI expression which you have put here ?
채택된 답변
Torsten
2017년 5월 19일
편집: Torsten
2017년 5월 19일
xc = linspace(0,1,M);
yc = linspace(0,1,M);
A = E1 .* E2;
B = (trapz(xc,trapz(yc, abs(A), 1)) ).^2;
C = trapz(xc,trapz(yc, abs(E1).^2, 1)) * trapz(xc,trapz(yc, abs(E2).^2, 1 ));
OI = B./C;
Best wishes
Torsten.
댓글 수: 2
Torsten
2017년 5월 22일
So the code should read:
xc = linspace(0,1,M);
yc = linspace(0,1,M);
A = E1 .* E2;
B = (trapz(xc,trapz(yc, A, 1)) )^2;
C = trapz(xc,trapz(yc, abs(E1).^2, 1)) * trapz(xc,trapz(yc, abs(E2).^2, 1 ));
OI = B./C;
I used 1 instead of 2 in trapz() because you have to integrate each column of A if you integrate over y.
Best wishes
Torsten.
추가 답변 (0개)
참고 항목
제품
Community Treasure Hunt
Find the treasures in MATLAB Central and discover how the community can help you!
Start Hunting!