Switchable Pancharatnam–Berry microlens array with nano-imprinted liquid crystal alignment | Zendy

Ziqian He | Zendy; YunHan Lee | Zendy; Ran Chen | Zendy; Debashis Chanda | Zendy; ShinTson Wu | Zendy

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Switchable Pancharatnam–Berry microlens array with nano-imprinted liquid crystal alignment

Author(s) -

Ziqian He,

YunHan Lee,

Ran Chen,

Debashis Chanda,

ShinTson Wu

Publication year - 2018

Publication title -

optics letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.524

H-Index - 272

eISSN - 1071-2763

pISSN - 0146-9592

DOI - 10.1364/ol.43.005062

Subject(s) - microlens , liquid crystal , materials science , optics , optoelectronics , planar , liquid crystal display , physics , computer science , lens (geology) , computer graphics (images)

We report a rapid nano-imprinting technique to pattern the liquid crystal alignment of a Pancharatnam-Berry phase microlens array. Through implementing a single-side aligned cell, we demonstrate a switchable microlens array with fast response time and low operation voltage. Further investigation of focusing property as well as imaging capability ensure the good quality of the microlens array. Besides planar structures, this method is also promising for patterning liquid crystal alignment on curvilinear surfaces.

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