A Low-cost Fresnel Lens Fluorometer to Detect Fecal Contamination in Drinking Water in Realtime

Sanket Bohora; Kezheng Li; Prashant Waiba; Sishir Gautam; Augusto Martins; Ricardo A. Rodrigues; Peter Kikstra; Marcel van der Horst; Emiliano R. Martins; Thomas F. Krauss; Ashim Dhakal

doi:10.1364/CLEO_AT.2022.AM5M.8

Conference on Lasers and Electro-Optics
Technical Digest Series (Optica Publishing Group, 2022),
paper AM5M.8
•https://doi.org/10.1364/CLEO_AT.2022.AM5M.8

A Low-cost Fresnel Lens Fluorometer to Detect Fecal Contamination in Drinking Water in Realtime

Sanket Bohora, Kezheng Li, Prashant Waiba, Sishir Gautam, Augusto Martins, Ricardo A. Rodrigues, Peter Kikstra, Marcel van der Horst, Emiliano R. Martins, Thomas F. Krauss, and Ashim Dhakal

CLEO: Applications and Technology 2022

San Jose, California United States
15–20 May 2022
ISBN: 978-1-957171-05-0

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Novel Applications for Optical Environmental Sensing (AM5M)

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S. Bohora, K. Li, P. Waiba, S. Gautam, A. Martins, R. A. Rodrigues, P. Kikstra, M. van der Horst, E. R. Martins, T. F. Krauss, and A. Dhakal, "A Low-cost Fresnel Lens Fluorometer to Detect Fecal Contamination in Drinking Water in Realtime," in Conference on Lasers and Electro-Optics, Technical Digest Series (Optica Publishing Group, 2022), paper AM5M.8.

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Abstract

We report the detection of tryptophan at sub-ppb levels for a fluorometer based on Fresnel lenses and low-cost electronics. These fluorometers can be used to detect fecal contamination in drinking water, indicated by tryptophan-like fluorescence.

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