Intensity Intensit balance imbalance r=0=|:=09 Theoretic approach ayr hoVd 2m +h△ +lvy E(r,t)-(mn2(r,t/c)E(r:t)/+=0 mr,t)=y1-/(oh△)w(r E(r,t)=e(r, ,lewt E(r,t)-n(r, t)w Boundary conditions for results without local field effect E1+E3=E(0,) E,+E=E(L, 1) : aE+E=0E0.0E2+0E,=0E(L. ax ax ax ax ax 0·01 3 1 3 (0, ) (0, ) E E E t E E E t x x x + =    + =    2 4 2 4 ( , ) ( , ) E E E L t E E E L t x x x + =    + =    Boundary conditions + for results without local field effect. Theoretic approach Intensity balance Intensity imbalance