Aimin Cong, Min Li, Wancang Cao, Yuhong Liang, Wenqiang Ma. Highly Sensitive Optical Fiber Temperature-Sensing Probe Based on Conical Polymer Waveguide[J]. Laser & Optoelectronics Progress, 2021, 58(19): 1906003
- Laser & Optoelectronics Progress
- Vol. 58, Issue 19, 1906003 (2021)
Fig. 1. Structure and spectrum of the optical fiber. (a) Optical picture of the tapered polymer; (b) reflection interference spectrum of the tapered polymer; (c) optical picture of the fiber end face; (d) reflection interference spectrum of the fiber end face
Fig. 2. Schematic diagram of light transmission in the sensing probe
Fig. 3. Schematic diagram of measuring device for the temperature characteristics of sensor probe
Fig. 4. Variation curve of reflection interference spectrum with environmental temperature. (a) Low temperature environment; (b) high temperature environment
Fig. 5. Position of the center wavelength of the reflection interference peak. (a) Low temperature environment; (b) high temperature environment
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