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
- Acta Optica Sinica
- Vol. 38, Issue 10, 1006008 (2018)
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. 2. Schematic of the optical fiber sensor
Fig. 3. Response of optical fiber sensor to Hg2+ solution with different concentrations. (a) Original data; (b) statistical result
Fig. 4. Sensitivity of the optical fiber sensor for Hg2+ solution
Fig. 5. Selective recognition ability of the optical fiber sensor for Hg2+ solution
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Table 1. Detection of Hg2+ in water samples
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