Scarcia William, Palma Giuseppe, Falconi Mario Christian, de Leonardis Francesco, Passaro Vittorio M N, Prudenzano Francesco
Department of Electrical and Information Engineering, Politecnico di Bari, via E. Orabona n. 4, Bari 70125, Italy.
Sensors (Basel). 2015 Nov 30;15(12):29855-70. doi: 10.3390/s151229770.
An accurate design of an innovative fiber optic temperature sensor is developed. The sensor is based on a cascade of three microstructured optical fibers (MOFs). In the first one a suitable cascade of long period gratings is designed into the core. A single mode intermediate and a rare-earth activated Fabry-Perot optical cavity are the other two sensor MOF sections. An exhaustive theoretic feasibility investigation is performed employing computer code. The complete set-up for temperature monitoring can be obtained by utilizing only a low cost pump diode laser at 980 nm wavelength and a commercial optical power detector. The simulated sensitivity S = 315.1 μW/°C and the operation range ΔT = 100 °C is good enough for actual applications.
开发了一种创新型光纤温度传感器的精确设计。该传感器基于三个微结构光纤（MOF）的级联。在第一个光纤中，在纤芯中设计了合适的长周期光栅级联。另外两个传感器MOF部分是单模中间光纤和稀土激活法布里 - 珀罗光学腔。使用计算机代码进行了详尽的理论可行性研究。仅利用一个980 nm波长的低成本泵浦二极管激光器和一个商用光功率探测器，就可以获得完整的温度监测装置。模拟灵敏度S = 315.1 μW/°C，工作范围ΔT = 100 °C，足以满足实际应用。
