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Refractive Index Sensor Based on Double Side-Polished U-Shaped Plastic Optical Fiber
Shumin Wang1, Daming Zhang1, Yan Xu1
1State Key Laboratory of Integrated Optoelectronics, College of Electronic Science & Engineering, Jilin University, Changchun 130012, China.
Sensors (Basel, Switzerland)
|September 17, 2020
Summary
A novel U-shaped plastic optical fiber (POF) sensor accurately measures liquid refractive index (RI) by detecting light intensity changes. This simple, low-cost sensor shows high sensitivity and stable performance across a range of temperatures.
Area of Science:
- Photonics
- Optical Sensing
- Material Science
Background:
- Refractive index (RI) sensing is crucial for chemical and biological analysis.
- Plastic optical fibers (POFs) offer advantages like flexibility and low cost for sensor development.
- Developing simple, sensitive, and stable RI sensors remains an active research area.
