Qingqing Chen, Ying Tang, Kening Wang, Haibin Chen, Zhibo Ma. Characteristic Analysis of Correlation Interference Signals in Optical Wedge Type Fiber Fabry-Perot Sensors[J]. Laser & Optoelectronics Progress, 2018, 55(11): 110603
- Laser & Optoelectronics Progress
- Vol. 55, Issue 11, 110603 (2018)
Fig. 1. Schematic of non-scan correlation demodulation of fiber Fabry-Perot sensor
Fig. 2. Spectral distribution curves of three kinds of light sources
Fig. 3. Curves of output light intensity distributions under different spectral distributions. (a) Gaussian type; (b) triangle type; (c) rectangle type; (d) locally enlarged drawings at maximum intensity of correlation interference signals under three spectra of (a)-(c)
Fig. 4. Gaussian fitting of correlation interference signal
Fig. 5. Evolution of correlation interference signal parameters under three spectral distributions. (a) Full width at half maximum versus spectral bandwidth; (b) amplitude versus spectral bandwidth
Fig. 6. Relationship curves of contrasts versus and spectral bandwidth for correlation interference signals under three spectral distributions
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