Patent ID: 8761346
Filing Date: 2014-06-24
Classification: B82Y,G21K

Abstract:
1. A multilayer optic device having an input face and an output face, the optic device comprising: a high-index material layer having a first real refractive index 1−δ a low-index material layer having a second real refractive index 1−δ a grading zone disposed between the high-index material layer and the low-index material layer, the grading zone comprising a grading layer having a third real refractive index 1−δ wherein at least a portion of one or more of the high-index material layer, the grading zone and the low-index layer comprise one or more corrugations along a first direction, and wherein at least a portion of one or more of the high-index material layer, the grading zone and the low-index layer comprises one or more non-corrugation portions along a first direction.