Dual light and temperature-induced 3D symmetric deformation of Bragg-onion-like actuators

Yan-Song Zhang; Hung-Sheng Weng; Shun-An Jiang; Ting-Shan Mo; Po-Chih Yang; Jia-De Lin; Chia-Rong Lee

doi:10.1117/12.2614747

7 March 2022 Dual light and temperature-induced 3D symmetric deformation of Bragg-onion-like actuators

Yan-Song Zhang, Hung-Sheng Weng, Shun-An Jiang, Ting-Shan Mo, Po-Chih Yang, Jia-De Lin, Chia-Rong Lee

Author Affiliations +

Proceedings Volume PC12023, Emerging Liquid Crystal Technologies XVII; PC120230G (2022) https://doi.org/10.1117/12.2614747
Event: SPIE OPTO, 2022, San Francisco, California, United States

Conference Poster

Abstract

In this work, the thermal- and photo-reversible symmetrical deformation and structural color changed actuators based on fully-polymerized cholesteric liquid crystal (CLC) polymer beads are demonstrated. A jack-inspired soft microdevice comprising durable fully-polymerized CLC beads by the stand-alone and free of extraction technique is demonstrated to have the unique photo-responsive capabilities of lifting substantially heavy objects and photochromatism via light-triggered symmetric volume expansion of the CLC beads. The desired symmetrical volume expansion with photochromatic property is realized by decreasing the degree of the order parameter, which is caused by the reorientation of the LC director. Such dynamic manipulation of anisotropic geometric deformation of soft materials offer promising infinite possibilities for the applications of smart devices.

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Yan-Song Zhang, Hung-Sheng Weng, Shun-An Jiang, Ting-Shan Mo, Po-Chih Yang, Jia-De Lin, and Chia-Rong Lee "Dual light and temperature-induced 3D symmetric deformation of Bragg-onion-like actuators", Proc. SPIE PC12023, Emerging Liquid Crystal Technologies XVII, PC120230G (7 March 2022); https://doi.org/10.1117/12.2614747

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