Baoyan DING, Qiang ZHAO, Dongying CHEN, Dawei DU. Technology and Application Progress of Fiber Bragg Grating Pressure Sensing[J]. Study On Optical Communications, 2024, 50(3): 23001801
- Study On Optical Communications
- Vol. 50, Issue 3, 23001801 (2024)
Fig. 1. Structure diagram of FBG
Fig. 2. Diagram of femtosecond laser engraving FBG device
Fig. 3. Structural diagram of pressure sensor with elastic membrane enhanced sensitivity packaging
Fig. 4. Structure and spectrogram of polymer sensitized encapsulated FBG
Fig. 5. Structural diagram of FBG for thin⁃walled cylindrical sensitization packaging
Fig. 6. Structural diagram of corrugated tube encapsulated FBG pressure sensor
Fig. 7. Schematic diagram of FBG structure with cantilever beam and elastic membrane combined sensitization packaging
Fig. 8. Schematic diagram of FBG parallel/series temperature compensation
Fig. 9. Schematic diagram of double-sided adhesive FBG for elastic components
Fig. 10. Structural diagram and reflection spectrum of a single grating semi bonded semi free FBG
Fig. 11. Schematic diagram of ocean monitoring results using FBG
Fig. 12. Application of FBG for liquid level measurement
Fig. 13. Pressuremeasurementresultsofoilandgaspipelines
Fig. 14. Application of FBG for rock and soil pressure monitoring
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Table 1. Advantages and disadvantages of various sensitization methods and applications
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Table 2. Comparison of various temperature compensation methods
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