FP cavity and FBG cascaded optical fiber temperature and pressure sensor

Hui Li; Qingchao Zhao; Shaodong Jiang; Jiasheng Ni; Chang Wang

doi:doi:10.3788/COL201917.040603

Chinese Optics Letters, 2019, 17 (4): 040603, Published Online: Apr. 15, 2019

FP cavity and FBG cascaded optical fiber temperature and pressure sensor Download： 799次

Hui Li ^*Qingchao Zhao ^**Shaodong Jiang Jiasheng Ni Chang Wang

Author Affiliations

Laser Institute, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250103, China

Figures & Tables

Fig. 1. (a) Schematic diagram and (b) practical picture of a fiber temperature and pressure sensor probe; (c) microscope image of the FP cavity.

下载图片查看原文

Fig. 2. Demodulation process of the FBG and FP cavity cascaded fiber sensor.

下载图片查看原文

Fig. 3. Reflection spectrum of the FBG and FP cavity cascaded fiber sensor (with experiment setup in the inset).

下载图片查看原文

Fig. 4. Response curve of the FBG wavelength to temperature variation.

下载图片查看原文

Fig. 5. Dependence of FP cavity original length and linear cavity length pressure coefficient on temperature.

下载图片查看原文

Fig. 6. Response curves of FP cavity length to ambient pressure at different temperatures.

下载图片查看原文

Fig. 7. FP cavity length stability of the sensor.

下载图片查看原文

Fig. 8. Logging profiling achieved through the sensor probe in the depth range of 2850–3050 m.

下载图片查看原文

Hui Li, Qingchao Zhao, Shaodong Jiang, Jiasheng Ni, Chang Wang. FP cavity and FBG cascaded optical fiber temperature and pressure sensor[J]. Chinese Optics Letters, 2019, 17(4): 040603.

FP cavity and FBG cascaded optical fiber temperature and pressure sensor Download： 799次

Fig. 1. (a) Schematic diagram and (b) practical picture of a fiber temperature and pressure sensor probe; (c) microscope image of the FP cavity.

Fig. 2. Demodulation process of the FBG and FP cavity cascaded fiber sensor.

Fig. 3. Reflection spectrum of the FBG and FP cavity cascaded fiber sensor (with experiment setup in the inset).

Fig. 4. Response curve of the FBG wavelength to temperature variation.

Fig. 5. Dependence of FP cavity original length and linear cavity length pressure coefficient on temperature.

Fig. 6. Response curves of FP cavity length to ambient pressure at different temperatures.

Fig. 7. FP cavity length stability of the sensor.

Fig. 8. Logging profiling achieved through the sensor probe in the depth range of 2850–3050 m.

关于本站 Cookie 的使用提示

全站搜索

FP cavity and FBG cascaded optical fiber temperature and pressure sensor Download： 799次

Fig. 1. (a) Schematic diagram and (b) practical picture of a fiber temperature and pressure sensor probe; (c) microscope image of the FP cavity.

Fig. 2. Demodulation process of the FBG and FP cavity cascaded fiber sensor.

Fig. 3. Reflection spectrum of the FBG and FP cavity cascaded fiber sensor (with experiment setup in the inset).

Fig. 4. Response curve of the FBG wavelength to temperature variation.

Fig. 5. Dependence of FP cavity original length and linear cavity length pressure coefficient on temperature.

Fig. 6. Response curves of FP cavity length to ambient pressure at different temperatures.

Fig. 7. FP cavity length stability of the sensor.

Fig. 8. Logging profiling achieved through the sensor probe in the depth range of 2850–3050 m.

相关论文

相关资讯

关于本站 Cookie 的使用提示

全站搜索