Abstract:Heavy metal pollution in water resource is a serious issue that related to the ecosystem and the health status of human beings. Although there existed many detection methods, it is still difficult to create a device with ultrahigh sensitivity to detect heavy metal ions in situations with low concentrations. This paper proposed a taper-in-taper (T-I-T) interferometric fiber sensor of enhanced sensitivity and decorated with polyelectrolyte layers for Cu2+ detection. The T-I-T structure was created on the single-… Show more
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