THE H-POLARIZED ELECTROMAGNETIC WAVE DIFFRACTION BY MULTI-ELEMENT PLANE SEMI-INFINITE GRATING

The H-polarized wave diffraction by multi-element plane semiinfinite periodic strip grating is considered. The problem is reduced to a nonlinear operator equation with respect to the unknown reflection operator of a structure. The equation is obtained as a result of solution of the auxiliary problem – wave diffraction by semi-infinite periodic venetian blind-type grating with the strips placed in parallel planes. The dependences of the reflection coefficient of plane waves are presented for one, two, three and four strips per period and for the near and far fields are calculated.