设计实现了一种编程波长扫描宽调谐掺铒光纤激光器,波长扫描调谐范围超过51 nm(1516.83～1568.31 nm),调谐步长最小可达0.01 nm,通过编程控制波长重复扫描调谐.将该激光器应用于光纤光栅组成准分布式温度传感系统,初步实验实现了对16路共48个点的实时温度监测.由于激光器输出功率较高,传感距离可以很长.激光器输出功率20 dBm、探测器灵敏度-20 dBm时,该温度传感系统覆盖的传感范围远超过方圆50 km以上,在智能电网传感系统中有重要的应用前景.
参考文献
| [1] | Kersey A.D.;Davis M.A..Fiber grating sensors[J].Journal of Lightwave Technology: A Joint IEEE/OSA Publication,19978(8):1442-1463. |
| [2] | Chan PKC.;Demokan MS.;Jin W..FMCW multiplexing of fiber Bragg grating sensors[J].IEEE journal of selected topics in quantum electronics: A publication of the IEEE Lasers and Electro-optics Society,20005(5):756-763. |
| [3] | 李志全;汤敬;许明妍;赵彦涛.分布式光纤光栅传感网络的复用解调技术[J].光电子技术与信息,2005(2):53-58. |
| [4] | Fu, ZH;Yang, DZ;Ye, W;Kong, J;Shen, YH.Widely tunable compact erbium-doped fiber ring laser for fiber-optic sensing applications[J].Optics & Laser Technology,20094(4):392-396. |
| [5] | Hu Y.;Chen S..Multiplexing Bragg gratings using combined wavelength and spatial division techniques with digital resolution enhancement[J].Electronics Letters,199723(23):1973-1975. |
| [6] | Davis M.A.;Kersey A.D..Matched-filter interrogation technique for fibre Bragg grating arrays[J].Electronics Letters,199510(10):822-823. |
| [7] | Minho Song;Shizhuo Yin;Paul B. Ruffin.Fiber Bragg grating strain sensor demodulation with quadrature sampling of a Mach-Zehnder interferometer[J].Applied optics,20007(7):1106-1111. |
| [8] | 余有龙;谭华耀;锺永康.基于可调F-P滤波器的光纤光栅传感器阵列查询技术[J].中国激光,2000(12):1103-1106. |
| [9] | Yun SH.;Kim BY.;Richardson DJ..Interrogation of fiber grating sensor arrays with a wavelength-swept fiber laser[J].Optics Letters,199811(11):843-845. |
| [10] | Shao L.-Y.;Dong X.;Zhang A. P.;Tam H.-Y.;He S..High-Resolution Strain and Temperature Sensor Based on Distributed Bragg Reflector Fiber Laser[J].IEEE Photonics Technology Letters,200720(20):1598-1600. |
| [11] | 王晓娜;王琦;陈乐华;于清旭.基于扫描光纤激光器的光纤传感解调仪研究[J].光子学报,2009(1):82-86. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%