American Chemical Society
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Self-Healing Nanophotonics: Robust and Soft Random Lasers

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journal contribution
posted on 2019-08-11, 19:03 authored by Yun-Tzu Hsu, Chia-Tse Tai, Hsing-Mei Wu, Cheng-Fu Hou, Yu-Ming Liao, Wei-Cheng Liao, Golam Haider, Yung-Chi Hsiao, Chi-Wei Lee, Shu-Wei Chang, Ying-Huan Chen, Min-Hsuan Wu, Rou-Jun Chou, Krishna Prasad Bera, Yen-Yu Lin, Yi-Zih Chen, Monika Kataria, Shih-Yao Lin, Christy Roshini Paul Inbaraj, Wei-Ju Lin, Wen-Ya Lee, Tai-Yuan Lin, Ying-Chih Lai, Yang-Fang Chen
Self-healing technology promises a generation of innovation in cross-cutting subjects ranging from electronic skins, to wearable electronics, to point-of-care biomedical sensing modules. Recently, scientists have successfully pulled off significant advances in self-healing components including sensors, energy devices, transistors, and even integrated circuits. Lasers, one of the most important light sources, integrated with autonomous self-healability should be endowed with more functionalities and opportunities; however, the study of self-healing lasers is absent in all published reports. Here, the soft and self-healable random laser (SSRL) is presented. The SSRL can not only endure extreme external strain but also withstand several cutting/healing test cycles. Particularly, the damaged SSRL enables its functionality to be restored within just few minutes without the need of additional energy, chemical/electrical agents, or other healing stimuli, truly exhibiting a supple yet robust laser prototype. It is believed that SSRL can serve as a vital building block for next-generation laser technology as well as follow-on self-healing optoelectronics.

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