Response of in-fiber Bragg gratings to hydrogen loading and subsequent heat treatment in H_(2) ambience

Alexey V. Lanin; Oleg V. Butov; Konstantin M. Golant

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Response of in-fiber Bragg gratings to hydrogen loading and subsequent heat treatment in H_(2) ambience

机译：H_（2）环境中光纤布拉格光栅对氢负载和后续热处理的响应

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The evolution of in-fiber Bragg gratings' contrast and resonance wavelengths caused by molecular hydrogen loading and subsequent heat treatment in a hydrogen atmosphere at a pressure of 8 MPa is experimentally studied. Changes in the gratings' transmission spectra brought about by room-temperature hydrogen loading followed by isochronal annealing cycles at temperatures up to 700 deg C and at invariable hydrogen pressure are recorded in situ. The gratings' thermal decay dynamics in hydrogen ambience and in air are found to be different and dependent on the gratings' type and on the type of glass in the fiber core. In light of the data obtained, the origin of type IIa gratings is anew under discussion.

机译：实验研究了分子氢负载和随后在8 MPa的氢气氛中进行的热处理引起的光纤布拉格光栅对比度和共振波长的演变。现场记录了室温氢负荷，随后在最高700摄氏度的温度和恒定的氢气压力下进行等时退火循环所引起的光栅透射光谱的变化。发现光栅在氢环境和空气中的热衰减动力学是不同的，并且取决于光栅的类型和光纤纤芯中玻璃的类型。根据获得的数据，正在讨论IIa型光栅的起源。

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《Applied optics》 |2006年第23期|共8页
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Alexey V. Lanin; Oleg V. Butov; Konstantin M. Golant;
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1. Response of in-fiber Bragg gratings to hydrogen loading and subsequent heat treatment in H_(2) ambience [J] . Alexey V. Lanin, Oleg V. Butov, Konstantin M. Golant Applied Optics . 2006,第23期

机译：H_（2）环境中光纤布拉格光栅对氢负载和后续热处理的响应
2. In-fiber Long-period Grating and Fiber Bragg Grating-based Sensor for Simultaneously Monitoring Remote Temperature and Stress [J] . Hung-Ying Chang, Chien-Hung Yeh, Chuan-Ying Huang, Sensors and materials . 2018,第1期

机译：光纤内长周期光栅和基于光纤布拉格光栅的传感器，可同时监控远程温度和应力
3. Multiple in-fiber Bragg gratings sensor with a grating scale [J] . Fang Xie, Shulian Zhang, Yan Li, Measurement . 2002,第2期

机译：光栅尺的多光纤布拉格光栅传感器
4. Demodulating Multiple In-Fiber Bragg Gratings Sensor with A Metrological Grating [C] . Fang Xie, Shulian Zhang, Yan Li International Symposium on Advances and Trends in Fiber Optics and Applications; 20041011-15; Chongqing(CN) . 2004

机译：用计量光栅解调多个光纤布拉格光栅传感器
5. Three dimensional strain measurement by a Bragg grating sensor subjected to axial and transverse load simultaneously. [D] . Mawatari, Tadamichi. 2007

机译：布拉格光栅传感器同时承受轴向和横向载荷的三维应变测量。
6. Detection of Glaze Icing Load and Temperature of Composite Insulators Using Fiber Bragg Grating [O] . Jie Wei, Yanpeng Hao, Yuan Fu, 2019

机译：光纤布拉格光栅检测复合绝缘子的釉面结冰负荷和温度
7. Optical RI sensor based on an in-fiber bragg grating fabry-perot cavity embedded with a micro-channel [O] . Yan, Zhijun, Saffari, Pouneh, Zhou, Kaiming, 2012

机译：基于嵌有微通道的光纤布拉格光栅法拉第腔的光学RI传感器
8. Development of In-Fiber Reflective Bragg Gratings as Shear Stress Monitors in Aerodynamic Facilities [R] . Parmar, D. S. , Sprinkle, D. R. , Singh, J. J. 1998

机译：空气动力学设备中剪切应力监测器内纤维反射布拉格光栅的研制

Response of in-fiber Bragg gratings to hydrogen loading and subsequent heat treatment in H_(2) ambience

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