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20 August 2020 Self-guiding and coupling of light through biological suspensions
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Abstract
The ability to use a wide range of wavelengths for deep penetration is important in order to target or avoid absorption bands of the biological media. By utilizing the nonlinear optical effect in the scattering bio-soft-matter, we demonstrate the self-trapping and guiding of light in sheep red blood cell suspensions and bacterium suspensions for a range of different wavelengths. By master/slave-type coupling, biological waveguides formed at one wavelength can effectively guide a wide spectrum of light at low power. Finally, we investigate propagation and guiding of optical vortex beams in biological suspensions.
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Nicolas Perez, Phillip Digal, Zhigang Chen, and Anna Bezryadina "Self-guiding and coupling of light through biological suspensions", Proc. SPIE 11463, Optical Trapping and Optical Micromanipulation XVII, 114630J (20 August 2020); https://doi.org/10.1117/12.2569074
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