ABSTRACT
Polarization selective photonic bandgaps are demonstrated as free-standing flexible films of chiral structure. Capability of large sizes, absence of defects and related high optical quality make the films adequate for imaging, optical communication, display, and other applications.
GRAPHICAL ABSTRACT
Acknowledgements
We thank S.Serak, U.Hrozhyk for useful discussions, and A.Pshenychnyi for graphical abstract.
Disclosure statement
No potential conflict of interest was reported by the author(s).