Hydrogel-Coated Long-Period Fiber Grating PH Sensor

Satyendra Kumar Mishra; Bing Zhou; Kin Seng Chiang

doi:10.1364/APOS.2016.W4A.49

Asia Pacific Optical Sensors Conference
OSA Technical Digest (online) (Optica Publishing Group, 2016),
paper W4A.49
•https://doi.org/10.1364/APOS.2016.W4A.49

Hydrogel-Coated Long-Period Fiber Grating PH Sensor

Satyendra Kumar Mishra, Bing Zhou, and Kin Seng Chiang

Asia-Pacific Optical Sensors Conference 2016

Shanghai China
11–14 October 2016
ISBN: 978-0-9600380-5-3

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Poster Session I (W4A)

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S. K. Mishra, B. Zhou, and K. S. Chiang, "Hydrogel-Coated Long-Period Fiber Grating PH Sensor," in Asia Pacific Optical Sensors Conference, OSA Technical Digest (online) (Optica Publishing Group, 2016), paper W4A.49.

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Abstract

We report a long-period fiber grating coated with a specially synthesized hydrogel for the measurement of pH changes in an aqueous solution. The coated grating operates sensitively for the pH ranges 2-5 and 8-12.

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