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ÒÔÏÂÊÇÎÄÏ×ÖÐÇó½â¹âÏ˰ü²ãÄ£ÓÐЧÕÛÉäÂʵķ½³Ì£¬¼´neffΪδ֪Êý£¬ÆäËû²ÎÁ¿¶¼ÒÑÖª¡££¨ÎÄÏ×ÖÐ˵neffÓкܶà½â£©´ó¼Ò°ï濴һϣ¬ÔõÑù²ÅÄÜÇóµÃneffµÄ¶à¸ö½â£¬Çë¸÷λ´óÏÀÖ¸µã£¬Íò·Ö¸Ðл£¡ a1=2.625; %ÏËо°ë¾¶ a2=62.5; %°ü²ã°ë¾¶ n1=1.458; %ÏËоÕÛÉäÂÊ n2=1.450; %°ü²ãÕÛÉäÂÊ n3=1.0; %¿ÕÆøÕÛÉäÂÊ lamda=1550; z0=377; %Õæ¿Õµç´Å×迹 t1=i*neff/z0; %t1¡¢t2¶¼ÊǸ´Êý t2=i*neff*z0; u1=((2*pi/lamda)^2*(n1-neff^2))^(1/2); u2=((2*pi/lamda)^2*(n2-neff^2))^(1/2); e3=((2*pi/lamda)^2*(neff^2-n3^2))^(1/2); u21=1/u2^2-1/u1^2; u32=1/e3^2+1/u2^2; m1=besselj(0,u1*a1)-1/(u1*a1)*besselj(1,u1*a1); %m1=diff(besselj(1,u1*a1))=besselj(0,u1*a1)-1/(u1*a1)*besselj(1,u1*a1) m2=-besselk(0,e3*a2)-1/(e3*a2)*besselk(1,e3*a2); %m2=diff(besselk(1,e3*a2))=-besselk(0,e3*a2)-1/(e3*a2)*besselk(1,e3*a2) m3=bessely(0,u2*a1)-1/(u2*a1)*bessely(1,u2*a1); %m3=diff(bessely(1,u2*a1))=bessely(0,u2*a1)-1/(u2*a1)*bessely(1,u2*a1) m4=besselj(0,u2*a1)-1/(u2*a1)*besselj(1,u2*a1); %m4=diff(besselj(1,u2*a1))=besselj(0,u2*a1)-1/(u2*a1)*besselj(1,u2*a1) m5=besselj(0,u2*a2)-1/(u2*a2)*besselj(1,u2*a2); %m5=diff(besselj(1,u2*a2))=besselj(0,u2*a2)-1/(u2*a2)*besselj(1,u2*a2) m6=bessely(0,u2*a2)-1/(u2*a2)*bessely(1,u2*a2); %m6=diff(bessely(1,u2*a2))=bessely(0,u2*a2)-1/(u2*a2)*bessely(1,u2*a2) j=m1/(u1*besselj(1,u1*a1)); k=m2/(e3*besselk(1,e3*a2)); p(a2)=besselj(1,u2*a2)*bessely(1,u2*a1)-besselj(1,u2*a1)*bessely(1,u2*a2); q(a2)=besselj(1,u2*a2)*m3-m4*bessely(1,u2*a2); r(a2)=m5*bessely(1,u2*a1)-besselj(1,u2*a1)*m6; s(a2)=m5*m3-m4*m6; g1=1/t2*(u2*(j*k-t1*t2*u21*u32/(n2^2*a1*a2))*p(a2)-k*q(a2)+j*r(a2)-s(a2)/u2)/ (-u2*((u32/n2^2*a2)*j-(u21/n1^2*a1)*k)*p(a2)+(u32/n2^2*a2)*q(a2)+(u21/n1^2*a1)*r(a2)); g0=t1*(u2*((u32/a2)*j-(n3^2*u21/n1^2*a1)*k)*p(a2)-(u32/a2)*q(a2)-(u21/a1)*r(a2))/ (u2*((n3^2/n2^2)*j*k+t1*t2*u21*u32/(n1^2*a1*a2))*p(a2)-(n3^2/n1^2)*k*q(a2)+j*r(a2)-(n2^2/n1^2*u2)*s(a2)); g1=g0 ÆäÖÐn3 |
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zjliu1265
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2Â¥2010-07-14 07:51:23
shuanglei
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3Â¥2010-08-29 15:43:56
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4Â¥2010-08-29 16:19:17
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littlewwld
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wawacgh
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7Â¥2015-02-24 22:00:45













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