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Showing physics.opticsShow all
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physics.optics2017★ 5 cited
Plano-concave microlenses with epsilon-near-zero surface-relief coatings for efficient shaping of nonparaxial optical beams
Mahin Naserpour, Carlos J. Zapata-Rodriguez, Mahdieh Hashemi
Epsilon-near-zero (ENZ) materials, including artificial metamaterials, have been advanced to mold laser beams and antenna-mediated radiated waves. Here we propose an efficient meth…
physics.optics2016★ 7 cited
Metacoatings for wavelength scale, high NA plano-concave focusing lenses
Mahin Naserpour, Carlos J. Zapata-Rodríguez, Carlos Díaz-Aviñó +1
We design plano-concave silicon lenses with coupled gradient-index plasmonic metacoatings for ultrawide apertured focusing utilizing a reduced region of . The anomalou…