Polarization-independent multiple selective reflections from bichiral liquid crystal films

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Abstract

We have demonstrated polarization-independent multiple reflections covering overall visible region from a bichiral liquid crystal (LC) film with both chiral structures. The bichiral LC film was fabricated by an all-solution process using left-handed and right-handed polymeric cholesteric liquid crystal (CLC) films with a single pitch and an isotropic polymer film. The multiple reflections exceeding 50% reflectance were clearly observed at various polarizations of normally incident light. This characteristic can extend practical applications of CLCs to polarization-independent devices over broad-band regions.

Original languageEnglish
Article number153301
JournalApplied Physics Letters
Volume96
Issue number15
DOIs
StatePublished - 12 Apr 2010

Bibliographical note

Funding Information:
N. H. acknowledges the financial support offered by the National Research Foundation (NRF) of Korea Grant (Grant No. KRF-2008-331-C00111) and Basic Science Research Program through NRF of MEST (Grant No. 2009-0077411), Korea.

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