Acta Optica Sinica, Volume. 38, Issue 10, 1006008(2018)
Optical Fiber Sensor for Mercury Ion Detection Based on Quantum Dots and Evanescent Wave Sensing
Figures & Tables(6)
Fig. 1. (a) Principle of Hg2+ detection; (b) micrograph of combined taper-and-cylinder optical fiber probe; (c) emission spectrum of CdSe/ZnS quantum dots
Fig. 3. Response of optical fiber sensor to Hg2+ solution with different concentrations. (a) Original data; (b) statistical result
Fig. 5. Selective recognition ability of the optical fiber sensor for Hg2+ solution
Table 1. Detection of Hg2+ in water samples
View tableTable 1. Detection of Hg2+ in water samples
Sample Added / (nmol·L-1) Measured / (nmol·L-1) RSD /% Recovery /% River water 1 0.93 2.32 93.1 5 4.54 1.79 90.8 10 9.51 3.42 95.1 Tap water 1 0.95 2.54 95.2 5 4.67 1.63 93.4 10 9.72 1.85 97.3 Rain water 1 0.90 3.22 90.1 5 4.52 2.88 90.4 10 9.59 3.05 95.8
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Ting Liu, Wenqi Wang, Zhiqun Liu, Dingrong Yi. Optical Fiber Sensor for Mercury Ion Detection Based on Quantum Dots and Evanescent Wave Sensing[J]. Acta Optica Sinica, 2018, 38(10): 1006008
Paper Information
Category: Fiber Optics and Optical Communications
Received: Mar. 19, 2018
Accepted: May. 25, 2018
Published Online: May. 9, 2019
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