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6 March 2023 Nanoparticle enabled optical fibers to side-emit germicidal ultraviolet light for biofilm control
Paul Westerhoff, Zhe Zhao, Nora Shapiro, Ken Niimi
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Proceedings Volume PC12372, Optical Fibers and Sensors for Medical Diagnostics, Treatment and Environmental Applications XXIII; PC123720J (2023) https://doi.org/10.1117/12.2650316
Event: SPIE BiOS, 2023, San Francisco, California, United States
Abstract
Silica nanoparticle coating on 250 to 1000 um flexible quartz optical fiber facilitates side-emission of germicidal ultraviolet light (UV-C), which shows promise for disinfection of contaminated air, water, and surfaces. This work aims to develop an understanding of light interactions with the silica nanoparticles to allow more uniform side-emission of germicidal light along longer lengths of optical fibers. Two forms of light energy (refracted light and evanescent waves) are transmitted through optical fibers.
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Paul Westerhoff, Zhe Zhao, Nora Shapiro, and Ken Niimi "Nanoparticle enabled optical fibers to side-emit germicidal ultraviolet light for biofilm control", Proc. SPIE PC12372, Optical Fibers and Sensors for Medical Diagnostics, Treatment and Environmental Applications XXIII, PC123720J (6 March 2023); https://doi.org/10.1117/12.2650316
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KEYWORDS
Nanoparticles
Optical fibers
Ultraviolet radiation
Light emitting diodes
Bioalcohols
Cooling systems
Manufacturing
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