Hangyu Dong, Changning Liu, Simei Sun, Chao Jiang, Aoyan Zhang, Huiling Hu, Jie Wang. Optical Fiber High-Temperature and Refractive Index Sensor Fabricated by Femtosecond Laser[J]. Laser & Optoelectronics Progress, 2019, 56(17): 170633
- Laser & Optoelectronics Progress
- Vol. 56, Issue 17, 170633 (2019)
Fig. 1. Schematic of femtosecond laser processing
Fig. 2. Microcavity microscopy in multimode fiber. (a) Front view; (b) side view
Fig. 3. Schematic of sensor structure
Fig. 4. Light path diagram of sensor
Fig. 5. Transmittance spectrum of sensor
Fig. 6. Spatial spectrum of sensor
Fig. 7. Schematic of temperature experimental device
Fig. 8. Transmittance spectra of sensors at different temperatures
Fig. 9. Linear fitting diagram of high temperature experiment
Fig. 10. Schematic of refractive index experimental device
Fig. 11. Transmittance spectra of sensor in different refractive indexes
Fig. 12. Linear fitting diagram of refractive index experiment
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