光纤布拉格光栅的工作寿命是影响光纤光栅传感器性能的关键因素.从光纤布拉格光栅的热致衰减特性出发,以界面阻隔能模型为理论基础,以光纤光栅的反射峰值为研究对象,探讨了光纤布拉格光栅的热致衰减行为.并通过对比试验对3支不同的光纤布拉格光栅进行了600℃热加速衰减实验,初步证明即使进行了退火处理,光纤布拉格光栅的性能仍然存在热致衰减蜕化.从实验数据中得到了光纤布拉格光栅的热振动频率,建立了热致衰减曲线.预测了30℃、50℃、100℃条件下光纤布拉格光栅的反射率衰减到90％的时间分别为23年、11年和3年.
参考文献
| [1] | Douay M.;Xie W.X. .Densification involved in the UV-based photosensitivity of silica glasses and optical fibers[J].Journal of Lightwave Technology: A Joint IEEE/OSA Publication,1997(8):1329-1342. |
| [2] | Suchandan Pal .Characterization of thermal (in) stability and temperature-dependence of type-Ⅰ and type-Ⅱ A Bragg gratings written in B-Ge co-doped fiber[J].Optics Communications,2006,262(01):68. |
| [3] | Nirmail K Viswanathan;Dwaine L et al.Accelerated-aging studies of chirped bragg gratings written with deuteriumloaded germano-silicate optical fibers[J].J Lightwave Techn,2004,22(08):1990. |
| [4] | Hand D P;Russel P S J .Photoinduced refractive index changes in germanosilicate[J].Fiber Optics Lett,1990,15(02):102. |
| [5] | Sceats M G;Atkins G R;Poole S B .Photolytic index changes in optical fibers[J].Annual Review of Materials Science,1993,23:381. |
| [6] | Erdogan T;Mizrahi V;Lemaire P J et al.Decay of ultraviolet-induced fiber bragg gratings[J].Applied Physics,1994,76(01):73. |
| [7] | Liao Changrui;Li Yuhua;Wang D N et al.Morphology and thermal stability of fiber Bragg gratings for sensor applications written in H2-free and H2-loaded fibers by femtosecond laser[J].Sensors J IEEE,2010,10(11):1675. |
| [8] | 西泽泰二;郝士明.微观组织热力学[M].北京:化学工业出版社,2006:32. |
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%