摘要
A high temperature strain sensor based on the fiber optic extrinsic Fabry-Perot interferometer(EFPI) is presented. A section of hollow capillary is spliced with two sections of cleaved single-mode fibers to form an extrinsic Fabry-Perot cavity. Experimental results show that the sensor can work stably at 1000℃. The sensitivity of the cavity length change and the strain sensitivity are 0.17nm/με and ±1με, respectively. The linearity is 0.99998. The sensor has many advantages, such as compact in construction, simple fabricating process and low cost, which is a reliable and excellent high temperature strain sensor.
| 源语言 | 英语 |
|---|---|
| 页（从-至） | 423-426 |
| 页数 | 4 |
| 期刊 | Guangxue Jishu/Optical Technique |
| 卷 | 43 |
| 期 | 5 |
| 出版状态 | 已出版 - 1 9月 2017 |
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Jiang, Y., Jia, J., Fu, L., & Zou, Z. (2017). A high-temperature strain sensor based on extrinsic Fabry-Perot interferometer. Guangxue Jishu/Optical Technique, 43(5), 423-426.