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10 March 2020 Engineering the glass waveguide surface for uniform light refraction inside an optofluidic photoreactor (Conference Presentation)
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Proceedings Volume 11293, MOEMS and Miniaturized Systems XIX; 112930E (2020) https://doi.org/10.1117/12.2546554
Event: SPIE OPTO, 2020, San Francisco, California, United States
Abstract
We report a surface-engineered glass waveguide based optofluidic reactor system. Photocatalyst is coated on waveguide surfaces and is activated under light irradiation. In traditional design, light gradually spreads and diminishes along the waveguide, leading to non-uniform distribution of light energy. Here we present a method for modifying glass waveguide surfaces through gradient etching, to extend light transmission length and make light refraction more uniform. The effect of waveguide dimensions and etching patterns on the light refraction intensity profiles along transmission was examined. These waveguides with specially designed surfaces were applied in an optofluidic reactor for photocatalytically converting CO2 into fuels.
Conference Presentation
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Xiangkun Cao, Tao Hong, Tingwei Liu, and David Erickson "Engineering the glass waveguide surface for uniform light refraction inside an optofluidic photoreactor (Conference Presentation)", Proc. SPIE 11293, MOEMS and Miniaturized Systems XIX, 112930E (10 March 2020); https://doi.org/10.1117/12.2546554
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