Initial commit
new file: Copy_of_Exz_with_hamamatsu.m new file: Exz_mod.m new file: Exz_with_hamamatsu.m new file: GS.m new file: MRAF.m new file: MRAF_8bit.bmp new file: PSF of spherical aberration/Exz.m new file: PSF of spherical aberration/Thumbs.db new file: PSF of spherical aberration/josaa-12-10-2136.pdf new file: PSF of spherical aberration/josaa-12-2-325.pdf new file: PSF of spherical aberration/main.m new file: "PSF of spherical aberration/\351\207\215\350\246\201psf\346\226\207\347\214\256.pdf" new file: Spherical_aberration_SiminCao.m new file: gen_m.m new file: gen_rectangle.m new file: hamamatsu.m new file: m.tif new file: m2.tif new file: photo/50-30.BMP new file: photo/8bit_50-30.BMP new file: photo/8bit_ellipse.BMP new file: photo/convert_8bit.exe new file: photo/ellipse.BMP new file: rect_MRAF_SiminCao.m new file: rectangle.tif new file: size/.vscode/settings.json new file: size/black_c_20THSize_4f_1.064lamda.bmp new file: size/black_c_30THSize_4f_61.064lamda.bmp new file: size/black_output.bmp new file: size/black_rect_30THSize_4f_1.064lamda.bmp new file: size/black_rect_30THSize_4f_6_1.064lamda.bmp new file: size/c_20THSize_4f_1.064lamda.bmp new file: size/c_20THSize_4f_1.064lamda_resize.bmp new file: size/c_30THSize_4f_61.064lamda.bmp new file: size/c_30THSize_4f_61.064lamda_resize.bmp new file: size/noisy_output.bmp new file: size/output.bmp new file: size/rect_30THSize_4f_1.064lamda.bmp new file: size/rect_30THSize_4f_1.064lamda_resize.bmp new file: size/rect_30THSize_4f_6_1.064lamda.bmp new file: size/rect_30THSize_4f_6_1.064lamda_resize.bmp new file: size/resize_4.7z new file: size/resize_black.7z new file: size/size copy.py new file: size/size.py new file: size/wave.7z new file: sp.m new file: to8bit.m new file: trans_8bit.zip new file: wavef/A.bmp new file: wavef/B_linear.bmp new file: wavef/PHA SID230828-2003.csv new file: wavef/PHA_bilinear_1280_1024.csv new file: wavef/PHA_bilinear_reversal.csv new file: wavef/PHA_output_1280_1024.csv new file: wavef/Untitled-1.py new file: wavef/filled.bmp new file: wavef/from PIL import Image.py new file: wavef/matrix_filled.csv new file: wavef/output.bmp new file: wavef/output.csv new file: wavef/output2.bmp new file: wavef/pha_wavef copy.py new file: wavef/pha_wavef.py new file: wavef/pha_wavef_step.py new file: wavef/wavef.zip new file: wavef/xy_values.csv new file: "wavef/\346\226\260\345\273\272\346\226\207\344\273\266\345\244\271/matrix.csv" new file: "wavef/\346\226\260\345\273\272\346\226\207\344\273\266\345\244\271/matrix_filled.csv"
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wxchen
79
hamamatsu.m
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79
hamamatsu.m
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clc
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clear
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lambda=1.064;
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NA=0.55;
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alpha=asin(NA);
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f=4e3;
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n1=1;
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n2=2.585;
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d_p=590;
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d=204;
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thetax=linspace(0,alpha,100);
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rho=sin(thetax)/sin(alpha);
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%设定参数
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for i=1:length(thetax)
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theta=thetax(i);
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syms theta1
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A=d_p*n1*sin(theta1)./sqrt(n2^2-n1^2*sin(theta1).^2)-d*tan(theta1);
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eq=theta1+asin(cos(theta1)/f.*A)-theta==0;
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theta1_ans(i)=double(vpasolve(eq,theta1));
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end
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%%%%%%%%%%%解方程计算theta1和Theta关系
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%
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% AA=d_p*n1*sin(theta1_ans)./sqrt(n2^2-n1^2*sin(theta1_ans).^2)-d*tan(theta1_ans);
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% deta=theta1_ans+asin(cos(theta1_ans)/f.*AA)-thetax;
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% plot(thetax,deta)
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% %%%%%%%%%%%%%%%%%%%%%%%%%%检验方程的解
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theta2=asin(n1*sin(theta1_ans)/n2);
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phi_sita=n1*(f*cos(thetax)-d)./cos(theta1_ans)+n2*d_p./cos(theta2);
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phi_0=n1*(f-d)+n2*d_p;
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optical_dif=phi_sita-phi_0; %光程差
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phi_dif=-2*pi*optical_dif/lambda; %相位差,需要补偿的相位差取相反数
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phi_dif=phi_dif-min(phi_dif);
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phi_dif_mod=mod(phi_dif,2*pi);
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plot(rho,phi_dif,rho,phi_dif_mod)
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p=polyfit(rho,phi_dif,8);
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%
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% rho0=linspace(0,1,100);
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% phi_dif0=polyval(p,rho0);
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% plot(rho,phi_dif,'-',rho0,phi_dif0,'--')
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% % % %%%%%%%%%%%%%%%对rho--phi_dif关系用5阶多项式拟合，并检验拟合效果
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% % %
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pixelx=1280;
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pixely=1024;
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F=1.2;
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pixel=F*pixely;
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%%%%%%%%%%%%%%%%%%%%%%%设置相位图像素数目，设置调制区域线性占比F(填充因子)
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[x,y]=meshgrid(1:pixelx,1:pixely);
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x=x-(pixelx+1)/2;
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y=y-(pixely+1)/2;
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D=(pixel-1)/2;
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Aperture=(x.^2+y.^2)./D.^2;
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Aperture(Aperture<=1)=1;
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Aperture(Aperture>1)=0;
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 设置约束孔径Aperture
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rho1=(sqrt(x.^2+y.^2)/D).*Aperture;
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phi_dif1=polyval(p,rho1); %计算（x，y）坐标对应的相位
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Phase=mod(phi_dif1,2*pi).*Aperture;
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PhaseHolo=round(Phase*255/(2*pi));
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ApertureN=(x.^2+y.^2)./D.^2;
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ApertureN(ApertureN<=1)=0;
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ApertureN(ApertureN>1)=1;
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Noise=round(255*rand(pixely,pixelx)).*ApertureN;
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%生成0-255间随机噪声，并设置相反约束孔径ApertureN
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PhaseHolo=PhaseHolo+Noise;%添加随机噪声后的相位图
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figure(1)
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imshow(PhaseHolo,[])
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figure(2)
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plot(linspace(-1,1,pixelx),PhaseHolo(512,:)*2*pi/255,'r')
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axis([-1,1,0,2*pi])
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filename=['C:\Users\simin\Desktop\球差校正\','F=',num2str(F),'.bmp'];
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imwrite(uint8(PhaseHolo),filename); %%%%%%%%%%%%%%%%%%%%%%%%%%导出8位相位图存储
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