To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Movie S1. Schematic representation of reversible optical self-trapping of a single Gaussian beam within a SP-functionalized hydrogel at 6 mW. Opto-chemo-mechanical transduction in photoresponsive gels elicits switchable self-trapped beams with remote interactions Derek R. Morim, Amos Meeks, Ankita Shastri, Andy Tran, Anna V. Shneidman, Victor V. Yashin, Fariha Mahmood, Anna C. Balazs, Joanna Aizenberg, and Kalaichelvi Saravanamuttu PNAS. 2020. 117:3953-3959 DOI: 10.1073/pnas.1902872117 Download Original Video Browse All Videos »