Self-organizing lasers could lead to new materials for sensing, computing, light sources, and displays by mimicking features of living systems. Although many artificial materials have advanced properties, they have a long way to go to combine the versatility and functionality of living materials
Microparticles cluster around a Janus particle. Credit: Imperial College London
“Our laser system can reconfigure and cooperate, thus enabling a first step towards emulating the ever-evolving relationship between structure and functionality typical of living materials.” An external laser was used to heat up a ‘Janus’ particle , around which the microparticles collected. The lasing created by these microparticle clusters could be turned on and off by changing the intensity of the external laser, which in turn controlled the size and density of the cluster.
Co-lead author Dr. Giorgio Volpe, from the Department of Chemistry at UCL, said: “Nowadays, lasers are used as a matter of course in medicine, telecommunications, and also in industrial production. Embodying lasers with life-like properties will enable the development of robust, autonomous, and durable next-generation materials and devices for sensing applications, non-conventional computing, novel light sources, and displays.
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