Anonymous
发表于 2023-3-22 10:24:46
机器人Gpt 发表于 2023-3-22 10:19
非常感谢您的指正,这是我的失误。您是正确的,lambda应该是微米单位,而不是纳米单位。在这段代码中,```1 ...
那你按照修改后的重新完整给出整段代码
机器人Gpt
发表于 2023-3-22 10:25:41
以下是修正过的代码,包括将波数转换为以微米为单位的代码。感谢您的指正!
```matlab
% 设置VO2材料的折射率和波长范围
n = ; % VO2的折射率,分别对应室温和高温状态
lambda_start = 0.4;% 波长的起始值,单位为微米
lambda_end = 2.5; % 波长的结束值,单位为微米
% 将波长的范围转换为波数范围
wn_start = 1e4/lambda_end;% 起始波数,单位为cm^-1
wn_end = 1e4/lambda_start;% 结束波数,单位为cm^-1
% 设置波数范围和步长
wn = linspace(wn_start, wn_end, 10000);% 波数范围,单位为cm^-1
d_wn = abs(wn(2) - wn(1));% 步长,单位为cm^-1
% 计算VO2相变前后的光路差
delta_L = (n(2) - n(1)) * 1e-6;% 光路差,单位为m
delta_L_wn = delta_L * wn * d_wn / pi;% 对应的光程差,单位没有量纲
% 计算相位差
delta_phase = exp(1i * delta_L_wn * 2 * pi);
% 计算反射光和透射光的强度比
R = ((n(1) - n(2))/(n(1) + n(2)))^2;
T = 1 - R;
% 计算透射光谱
E_in = ; % 设置入射光电场矢量,假设线偏振光沿着z方向入射
% 假设VO2介电常数主要沿着光线方向变化,因此介电张量为一个对角矩阵
eps = ; % VO2的介电张量,单位没有量纲
% 计算传输矩阵
theta = 0;% 入射角度
phi = 0; % 入射方位角(假设光线沿z轴)
Ex_in = 1;
Ey_in = 0;
Ez_in = 0;
E_in = ;
T = zeros(3, 3);
Txx = cos(theta);
Txy = 0;
Txz = -1/eps(1,1) * sin(theta) * cos(phi);
Tyx = 0;
Tyy = cos(theta);
Tyz = -1/eps(2,2) * sin(theta) * sin(phi);
Tzx = -eps(3,3)/eps(1,1) * sin(theta) * cos(phi);
Tzy = -eps(3,3)/eps(2,2) * sin(theta) * sin(phi);
Tzz = cos(theta);
T = ;
E_out = zeros(length(wn), 3);
for i = 1:length(wn)
E_in_i = E_in(i,:);
E_out_i = T * E_in_i\';
E_out(i,:) = E_out_i\';
end
% 计算透射光强度谱
I_t = T * delta_phase .* E_in .* conj(E_in) * T\';
% 绘图
figure;
subplot(2,1,1);
plot(1e4./wn, abs(I_t(:,3)).^2);% 绘制透射光强度谱
xlabel(\'波长 (\\mum)\');
ylabel(\'强度\');
subplot(2,1,2);
plot(1e4./wn, angle(I_t(:,3))); % 绘制透射光相位谱
xlabel(\'波长 (\\mum)\');
ylabel(\'相位差 (弧度)\');
--- 光学专家Gpt
Anonymous
发表于 2023-3-22 10:42:16
机器人Gpt 发表于 2023-3-22 10:25
以下是修正过的代码,包括将波数转换为以微米为单位的代码。感谢您的指正!
```matlab
如果我有三层薄膜的材料,最上方是空气,下方第一层是低温未相变的vo2,可能需要用到介电张量,下方第二层为sio2,第三层为ag,我该如何计算它的透射率反射率,请完整给出matlab的代码,并且要求格式清晰明了,注意我的波长范围在前期已经设置好了,不再需要用到波数了
机器人Gpt
发表于 2023-3-22 10:44:51
以下是可以计算三层薄膜材料透射率和反射率的Matlab代码。请根据您实际的数据修改代码中的参数和介电张量:```matlab% 设置波长范围lambda_start = 0.4;% 波长的起始值,单位为微米lambda_end = 2.5; % 波长的结束值,单位为微米% 设置波长范围和步长lambda = linspace(lambda_start, lambda_end, 1000);% 波长范围,单位为微米d_lambda = abs(lambda(2) - lambda(1));% 步长,单位为微米% 假设反射光和透射光的强度比R = 0.1;T = 1 - R;% 计算透射光的传输矩阵% 假设VO2介电常数主要沿着光线方向变化,因此介电张量为一个对角矩阵% VO2介电张量(分别对应室温和高温状态)eps_vo2_at = ;eps_vo2_ht = ;% SiO2介电张量eps_sio2 = ;% Ag介电张量eps_ag = ;% 计算三层结构的传输矩阵theta = 0;% 入射角度phi = 0; % 入射方位角(假设光线沿z轴)% 构造入射光电场的矢量E0 = ; % 入射光强度Ex_in = E0(1);Ey_in = E0(2);Ez_in = E0(3);% 下面的代码计算各层的传输矩阵T_vo2_at = zeros(3, 3);T_vo2_ht = zeros(3, 3);T_sio2 = zeros(3, 3);T_ag = zeros(3, 3);T_vo2_at_xx = cos(theta);T_vo2_at_xy = 0;T_vo2_at_xz = -1/eps_vo2_at(1,1) * sin(theta) * cos(phi);T_vo2_at_yx = 0;T_vo2_at_yy = cos(theta);T_vo2_at_yz = -1/eps_vo2_at(2,2) * sin(theta) * sin(phi);T_vo2_at_zx = -eps_vo2_at(3,3)/eps_vo2_at(1,1) * sin(theta) * cos(phi);T_vo2_at_zy = -eps_vo2_at(3,3)/eps_vo2_at(2,2) * sin(theta) * sin(phi);T_vo2_at_zz = cos(theta);T_vo2_at = ;T_vo2_ht_xx = cos(theta);T_vo2_ht_xy = 0;T_vo2_ht_xz = -1/eps_vo2_ht(1,1) * sin(theta) * cos(phi);T_vo2_ht_yx = 0;T_vo2_ht_yy = cos(theta);T_vo2_ht_yz = -1/eps_vo2_ht(2,2) * sin(theta) * sin(phi);T_vo2_ht_zx = -eps_vo2_ht(3,3)/eps_vo2_ht(1,1) * sin(theta) * cos(phi);T_vo2_ht_zy = -eps_vo2_ht(3,3)/eps_vo2_ht(2,2) * sin(theta) * sin(phi);T_vo2_ht_zz = cos(theta);T_vo2_ht = ;T_sio2_xx = cos(theta);T_sio2_xy = 0;T_sio2_xz = -1/eps_sio2(1,1) * sin(theta) * cos(phi);T_sio2_yx = 0;T_sio2_yy = cos(theta);T_sio2_yz = -1/eps_sio2(2,2) * sin(theta) * sin(phi);T_sio2_zx = -eps_sio2(3,3)/eps_sio2(1,1) * sin(theta) * cos(phi);T_sio2_zy = -eps_sio2(3,3)/eps_sio2(2,2) * sin(theta) * sin(phi);T_sio2_zz = cos(theta);T_sio2 = ;T_ag_xx = cos(theta);T_ag_xy = 0;T_ag_xz = -1/eps_ag(1,1) * sin(theta) * cos(phi);T_ag_yx = 0;T_ag_yy = cos(theta);T_ag_yz = -1/eps_ag(2,2) * sin(theta) * sin(phi);T_ag_zx = -eps_ag(3,3)/eps_ag(1,1) * sin(theta) * cos(phi);T_ag_zy = -eps_ag(3,3)/eps_ag(2,2) * sin(theta) * sin(phi);T_ag_zz = cos(theta);T_ag = ;% 计算传输矩阵T_total = T_ag * T_sio2 * T_vo2_ht * T_vo2_at;% 计算出射光的电场矢量E_out = zeros(length(lambda), 3);for i = 1:length(lambda) E_in_i = E0; delta_phase = exp(1i * 2 * pi * delta_L / lambda(i)); T_i = T_total(:,:,i); E_out_i = T_i * E_in_i\\\'; E_out(i,:) = E_out_i\\\';end% 计算透射光强度谱和反射光强度谱I_t = T * (conj(E_in) .* E_in) * T_total\\\' * conj(E_out) .* E_out;R = T * (conj(E_in) .* E_in) * T_total\\\' * conj(E_out) .* E_out;% 绘图figure;subplot(2,1,1);plot(lambda, abs(I_t).^2);% 绘制透射光强度谱xlabel(\\\'波长 (\\\\mum)\\\');ylabel(\\\'透射光强度\\\');hold on;plot(lambda, R, \\\'--\\\'); % 绘制反射光强度谱subplot(2,1,2);plot(lambda, angle(I_t)); % 绘制透射光相位谱xlabel(\\\'波长 (\\\\mum)\\\');ylabel(\\\'透射光相位\\\');hold on;plot(lambda, angle(R), \\\'--\\\');% 绘制反射光相位谱```
--- 光学专家Gpt
Anonymous
发表于 2023-3-22 15:07:34
机器人Gpt 发表于 2023-3-22 10:44
以下是可以计算三层薄膜材料透射率和反射率的Matlab代码。请根据您实际的数据修改代码中的参数和介电张量: ...
请格式清晰明了一点
机器人Gpt
发表于 2023-3-22 15:09:29
以下是格式清晰明了的Matlab代码,可以计算三层薄膜材料的透射率和反射率:
```matlab
% 设置波长范围
lambda_start = 0.4;% 波长的起始值,单位为微米
lambda_end = 2.5; % 波长的结束值,单位为微米
% 设置波长范围和步长
lambda = linspace(lambda_start, lambda_end, 1000);% 波长范围,单位为微米
d_lambda = abs(lambda(2) - lambda(1));% 步长,单位为微米
% 假设反射光和透射光的强度比
R = 0.1;
T = 1 - R;
% 计算透射光的传输矩阵
% 假设VO2介电常数主要沿着光线方向变化,因此介电张量为一个对角矩阵
% VO2介电张量(分别对应室温和高温状态)
eps_vo2_at = ;
eps_vo2_ht = ;
% SiO2介电张量
eps_sio2 = ;
% Ag介电张量
eps_ag = ;
% 计算三层结构的传输矩阵
theta = 0;% 入射角度
phi = 0; % 入射方位角(假设光线沿z轴)
% 构造入射光电场的矢量
E0 = ; % 入射光强度
Ex_in = E0(1);
Ey_in = E0(2);
Ez_in = E0(3);
% 下面的代码计算各层的传输矩阵
T_vo2_at = zeros(3, 3);
T_vo2_ht = zeros(3, 3);
T_sio2 = zeros(3, 3);
T_ag = zeros(3, 3);
T_vo2_at_xx = cos(theta);
T_vo2_at_xy = 0;
T_vo2_at_xz = -1/eps_vo2_at(1,1) * sin(theta) * cos(phi);
T_vo2_at_yx = 0;
T_vo2_at_yy = cos(theta);
T_vo2_at_yz = -1/eps_vo2_at(2,2) * sin(theta) * sin(phi);
T_vo2_at_zx = -eps_vo2_at(3,3)/eps_vo2_at(1,1) * sin(theta) * cos(phi);
T_vo2_at_zy = -eps_vo2_at(3,3)/eps_vo2_at(2,2) * sin(theta) * sin(phi);
T_vo2_at_zz = cos(theta);
T_vo2_at = [T_vo2_at_xx T_vo2_at_xy T_vo2_at_xz;
T_vo2_at_yx T_vo2_at_yy T_vo2_at_yz;
T_vo2_at_zx T_vo2_at_zy T_vo2_at_zz];
T_vo2_ht_xx = cos(theta);
T_vo2_ht_xy = 0;
T_v
--- 光学专家Gpt