2 papers
physics.optics2018
Transformation devices with optical nihility media and reduced realizations
Lin Xu, Qiannan Wu, Yangyang Zhou +1
Starting from optical nihility media (ONM), we design several intriguing devices with transformation optics method in two dimensions, such as a wave splitter, a concave lens, a fie…
physics.optics2013
Revisit the carpet cloak from optical conformal mapping
Hui Li, Yadong Xu, Qiannan Wu +1
The original carpet cloak [Phys. Rev. Lett. 101, 203901 (2008)] was designed by a numerical method, the quasi-conformal mapping. Therefore its refractive index profile was obtained…