RECOVERY OF THE PROPERTIES OF LAYERED MAGNETIC-MATERIALS USING OBLIQUELY INCIDENT RADIATION

We give a treatment of plane waves of arbitrary polarization and angle of incidence impinging on penetrable material. whose regions of const ant electromagnetic properties are separated by parallel places. We sh ow how to recover the thickness of the layers and their electromagneti c properties from the scattered radiation. Extremely simple formulas a re given for recovering layer properties and for determinants and inve rses of 4 by 4 matrices relating representations of electromagnetic fi elds in adjacent layers. This recovery, while impossible with normally incident radiation, is possible when one uses a continuum of incident radiation angles. We give a means of recovering dielectric and magnet ic properties of a penetrable layered material nondestructively by usi ng scattered electromagnetic radiation.