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15 June 2020 Light-induced biological waveguides
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Proceedings Volume 11522, Optical Manipulation and Structured Materials Conference 2020; 115221F (2020)
Event: SPIE Technologies and Applications of Structured Light, 2020, Yokohama, Japan
Using light, living cells can be manipulated to form several centimeter long waveguide structures, capable of guiding light through scattering media. Here, we will discuss some results of self-trapping and guiding of light in biological suspensions of different cells, including cyanobacteria, E. coli, and red blood cells. A forward-scattering theoretical model is developed which helps understand the experimental observations. Formed waveguides can provide effective guidance for weaker light through scattered bio-soft-matter. The ability to transmit light through turbid fluids with low loss could open up the possibilities for deep-tissue imaging, as well as noninvasive treatment and diagnostics.
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Anna Bezryadina, Rekha Gautam, Nicolas Perez, Tobias Hansson, Yinxiao Xiang, Josh Lamstein, Benjamin Wetzel, Roberto Morandotti, and Zhigang Chen "Light-induced biological waveguides", Proc. SPIE 11522, Optical Manipulation and Structured Materials Conference 2020, 115221F (15 June 2020);

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