Broadband wide-view Pancharatnam–Berry phase deflector

Junyu Zou; Tao Zhan; Jianghao Xiong; Shin Tson Wu

doi:10.1364/OE.385540

Broadband wide-view Pancharatnam–Berry phase deflector

Junyu Zou, Tao Zhan, Jianghao Xiong, Shin Tson Wu^*

^*Corresponding author for this work

University of Central Florida

Research output: Contribution to journal › Article › peer-review

63 Citations (Scopus)

Abstract

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.

Original language	English
Pages (from-to)	4921-4927
Number of pages	7
Journal	Optics Express
Volume	28
Issue number	4
DOIs	https://doi.org/10.1364/OE.385540
Publication status	Published - 17 Feb 2020
Externally published	Yes

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Zou, J., Zhan, T., Xiong, J., & Wu, S. T. (2020). Broadband wide-view Pancharatnam–Berry phase deflector. Optics Express, 28(4), 4921-4927. https://doi.org/10.1364/OE.385540

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abstract = "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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AB - 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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Broadband wide-view Pancharatnam–Berry phase deflector

Abstract

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