Chinese Optics, Volume. 18, Issue 1, 63(2025)
Fiber Bragg grating temperature and pressure sensor based on hinge lever structure
Fig. 2. Influence of (a) the width of Hinge1, (b) the width of Rod2, (c) the height of Rod2, and (d) the width of Rod1 on the structure
Fig. 3. Comparison of strain sensitivity between hinge lever structure and diaphragm
Fig. 4. (a) Physical drawing of the sensing structure; (b) pressure test platform
Fig. 5. (a) FBG1 reflection spectra under different pressures; (b) peak wavelengths of reflection spectra of FBG1 and FBG2 under different pressures
Table 1. Comparison of the designed sensor and those reported recently
View tableView in ArticleTable 1. Comparison of the designed sensor and those reported recently
参考文献 压力范围 压力灵敏度 压力分辨率 温度范围 [ 20 ]0~16 MPa 69.4 pm/MPa 288 kPa 25 °C~65 °C [ 21 ]0~10 MPa 340 pm/MPa 3 kPa 5 °C~70 °C [ 22 ]0~2 MPa 258.25 pm/MPa NA 20 °C~55 °C [ 23 ]0~15.5 MPa 42.325 pm/MPa NA 0 °C~50 °C [ 12 ]0~30 MPa 29.76 pm/MPa 30 kPa 50 °C~200 °C 本文 0~18 MPa 453.16 pm/MPa 2.2 kPa 25 °C~65 °C
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Qiang LIU, Chao MA, Shu-hui WEI, Wei LIU, Jian-xin WANG, Jing-wei LV, Ting-ting LV, Chao LIU. Fiber Bragg grating temperature and pressure sensor based on hinge lever structure[J]. Chinese Optics, 2025, 18(1): 63
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Received: May. 13, 2024
Accepted: Aug. 5, 2024
Published Online: Mar. 14, 2025
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