Issue 48, 2019

A photo-switchable and photo-tunable microlens based on chiral liquid crystals

Abstract

We demonstrate a photo-switchable and photo-tunable microlens based on chiral liquid crystals doped with an azobenzene chiral dopant immersed in water. A bi-stable microlens, which can be switched between a focusing state and scattering state through UV or green light, has been fabricated. The tuning properties of the microlens have also been demonstrated under light illumination. This bi-stable microlens possesses features including simple fabrication, low-cost, photo-switchability, and photo-tunability, and shows potential applications in dynamic imaging systems, biomimetic devices, wave-front sensors, micro-displays, light shaping etc.

Graphical abstract: A photo-switchable and photo-tunable microlens based on chiral liquid crystals

Supplementary files

Article information

Article type
Paper
Submitted
03 sep 2019
Accepted
17 okt 2019
First published
28 okt 2019

J. Mater. Chem. C, 2019,7, 15166-15170

A photo-switchable and photo-tunable microlens based on chiral liquid crystals

Y. Li, Y. Liu and D. Luo, J. Mater. Chem. C, 2019, 7, 15166 DOI: 10.1039/C9TC04862F

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