Zhou Xian, Yang Mo, Zhang Wen, Li Bo, Ming Xingzu. Micro-Structured Fiber Hydrogen Sensor Based on Nanorod Pt-WO3[J]. Laser & Optoelectronics Progress, 2020, 57(21): 211405
- Laser & Optoelectronics Progress
- Vol. 57, Issue 21, 211405 (2020)
Fig. 1. Micro-structured FBG. (a) Cross spiral micro-structured FBG; (b) single spiral micro-structured FBG
Fig. 2. Hydrogen sensor probe of micro-structured FBG. (a) Schematic diagram; (b) sample diagram; (c) fiber surface morphology after coating
Fig. 3. XRD test diagram of nanorod WO3
Fig. 4. FE-SEM diagram of nanorod WO3. (a) Pure WO3; (b) Pt-WO3
Fig. 5. Performance of smaples. (a) Sample response curve; (b) sample low concentration response; (c) comparison of sample drift
Fig. 6. Single cycle hydrogen response for all samples. (a) H2 concentration is 1.08%; (b) H2 concentration is 0.2%
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Table 1. Sample processing parameters
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