Guowen AN, Lizhi WANG, Pinggang JIA, Chengrui ZHAI, Yanjun ZHANG, Jianhui SU, Fengtong ZHU, Lei LIU. Dual-core photonic crystal fiber temperature sensor based on vernier effect[J]. Journal of Applied Optics, 2022, 43(3): 551
- Journal of Applied Optics
- Vol. 43, Issue 3, 551 (2022)
Fig. 1. Cross-section diagram of dual-core PCF
Fig. 2. Schematic diagram of sensor
Fig. 3. Mode field distributions diagram
Fig. 4. Transmission spectrum of reference dual-core PCF, transmission spectrum of sensing dual-core PCF, as well as transmission spectrum and envelope curve of cascaded dual-core PCF
Fig. 5. Longitudinal power distribution of light in designed cascaded dual-core PCF
Fig. 6. Transmission spectra of single sensing dual-core PCF, cascaded dual-core PCF and envelope curves of cascaded dual-core PCF transmission spectra in range of 35°C~45 °C
Fig. 7. Linear fitting curves of temperature sensitivity of single dual-core PCF and cascaded dual-core PCF
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Table 1. Comparison of sensing performance of proposed sensor with recently reported schemes
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