Ex 1.00<e- 2.圆偏振光 1.00 41=a2 Phi 45.00 E=a exp(ikz) +a2exp[i(kz+δ)]o 左旋 Right-han Circular Polarization 2. 圆偏振光 2 exp[ ( )] exp( ) ~ 2 0 1 0 1 2   = + +  = a i kz y E a ikz x a a   ＝ 右旋, 左旋. 2 3  =