Broadband wide-view Pancharatnam–Berry phase deflector | Zendy

Junyu Zou | Zendy; Tao Zhan | Zendy; Jianghao Xiong | Zendy; ShinTson Wu | Zendy

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Broadband wide-view Pancharatnam–Berry phase deflector

Author(s) -

Junyu Zou,

Tao Zhan,

Jianghao Xiong,

ShinTson Wu

Publication year - 2020

Publication title -

optics express

Language(s) - Uncategorized

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.385540

Subject(s) - achromatic lens , liquid crystal , optics , geometric phase , twist , mueller calculus , liquid crystal display , phase (matter) , broadband , materials science , refractive index , optoelectronics , physics , scattering , polarimetry , condensed matter physics , geometry , mathematics , quantum mechanics

We demonstrate a high-efficiency achromatic, wide-view Pancharatnam-Berry phase deflector (PBD) based on a three-layer multi-twist structure. A practical method to measure the thickness and twist angle of liquid crystal (LC) polymer films is developed based on Jones matrix of twist-nematic liquid crystals. With the help of this new measurement method, we fabricated a three-layer multi-twist PBD. The imaging performance and the angular response of the achromatic wide-view PBD are also characterized. Potential application of PBD for near-eye displays is foreseeable.

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