2、光密射向光疏 #R<G,"N5
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clear 61>f(?s
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close all MQ9vPgh
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n1=1.45,n2=1; dm& /K
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theta=0:0.1:90; .)t(:)*b
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a=theta*pi/180; HzEGq,.
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rp=(n2*cos(a)-n1*sqrt(1-(n1/n2*sin(a)).^2))./(n2*cos(a)+n1*sqrt(1-(n1/n2*sin(a)).^2)); y!hi"!
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rs=(n1*cos(a)-n2*sqrt(1-(n1/n2*sin(a)).^2))./(n1*cos(a)+n2*sqrt(1-(n1/n2*sin(a)).^2)); Q1]Wo9j
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tp=2*n1*cos(a)./(n2*cos(a)+n1*sqrt(1-(n1/n2*sin(a)).^2)); \HD-vINV;
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ts=2*n1*cos(a)./(n1*cos(a)+n2*sqrt(1-(n1/n2*sin(a)).^2)); 8W$L:{ez
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figure(1) 0R4akLW0
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subplot(1,2,1); 0e\y~#-
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plot(theta,rp,'-',theta,rs,'--',theta,abs(rp),':',theta,abs(rs),'-.','LineWidth',2) +`Fb_m)f
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legend('r_p','r_s','|r_p|','|r_s|') 4|=vxJ
b}}y=zO|$
xlabel('\theta_i') om>VQ3
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ylabel('Amplitude') dE GX3 -
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title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) xl9(ze
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axis([0 90 -1.5 1.5]) )$h-ZYc
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grid on k% NrL@z
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subplot(1,2,2); b|6 !EGh
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plot(theta,tp,'-',theta,ts,'--',theta,abs(tp),':',theta,abs(ts),'-.','LineWidth',2) F+3!uWUK
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legend('t_p','t_s','|t_p|','|t_s|') \imp7}N
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xlabel('\theta_i') Rf?%Tv0\
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ylabel('Amplitude') ?yf_Dt
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title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) 8m|x#*5fQl
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axis([0 90 -0.5 3]) wx./"m.M
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grid on (rIXbekgB
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Rp=abs(rp).^2; F^xaz^=`u
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Rs=abs(rs).^2; {zu/tCq?
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Rn=(Rp+Rs)/2; A]#_"fayo
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Tp=1-Rp; w a2~C [
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Ts=1-Rs; H6{Rd+\Z
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Tn=(Tp+Ts)/2; `BpCRKTG
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figure(2) .T{U^0 )
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subplot(1,2,1); K)Ge
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plot(theta,Rp,'-',theta,Rs,'--',theta,Rn,':','LineWidth',2) OoSa95#x
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legend('R_p','R_s','R_n') Rn8#0%/Q
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xlabel('\theta_i') @YsL*zw
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ylabel('Amplitude') ;=#qHo9k1%
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title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) Wz5d|b
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axis([0 90 0 1]) x7Eeb!s0f,
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grid on ,d5ia4\K
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subplot(1,2,2); ,~iFEaV+
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plot(theta,Tp,'-',theta,Ts,'--',theta,Tn,':','LineWidth',2) :%pw`b, =V
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legend('T_p','T_s','T_n') #i6[4X?
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xlabel('\theta_i') V`U/'N-ay
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ylabel('Amplitude') S`fu+^cv
2 e)
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) Y/#:)(&@
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axis([0 90 0 1]) 3$;J0{&[i
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grid on
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