Dashen Deng, Xiang Qin, Guojia Huang, Wenlin Feng. Design and Application of Copper Deposited Tungsten Disulfide Film Coated Thin-Core Optical Fiber Gas Sensor[J]. Acta Optica Sinica, 2017, 37(11): 1106002
- Acta Optica Sinica
- Vol. 37, Issue 11, 1106002 (2017)
Fig. 1. Schematic of optical fiber gas sensor
Fig. 2. (a) SEM image of the side surface of the thin-core fiber coated with Cu-deposited WS2 film; (b) EDX image for Cu-deposited WS2-coated fiber
Fig. 3. Transmission spectrum of the thin-core fiber coated with Cu-deposited WS2 film
Fig. 4. Spectral response of the sensor in various volume fractions of hydrogen sulfide
Fig. 5. (a) Fitted line of the wavelength shift; (b) dynamic response of the hydrogen sulfide sensor
Fig. 6. Selectivity for nitrogen, carbon dioxide, oxygen and hydrogen sulfide
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