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Giant birefringence in optical antenna arrays with widely tailorable optical anisotropy
Proceedings of the National Academy of Sciences of the United States of America
The manipulation of light by conventional optical components such as a lenses, prisms and wave plates involves engineering of the wavefront as it propagates through an optically-thick medium. A new class of ultra-flat optical components with high functionality can be designed by introducing abrupt phase shifts into the optical path, utilizing the resonant response of arrays of scatters with deeply-subwavelength thickness. As an application of this concept, we report a theoretical anddoi:10.1073/pnas.1210686109 fatcat:v4htyfyudbffrpna5rnp5o2dom