Article first published online: 30 SEP 2015
DOI: 10.1002/adma.201502716
© 2015 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim
http://onlinelibrary.wiley.com/doi/10.1002/adma.201502716/abstract;jsessionid=B2BDAF5543D657CCE7DA838DC3777D2E.f04t03?userIsAuthenticated=false&deniedAccessCustomisedMessage=It is extremely challenging to control the phase of light at will in free space. Here, Pancharatnam–Berry-phase-enabled, tunable phase control of free-space light is experimentally demonstrated in an ultrathin flexible dispersion-free metadevice. This metadevice enables the broadband conversion of linearly polarized light into any desired output polarization.
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