Research Article
Influence of Humidity on Fiber Bragg Grating Sensors
Table 2
Bragg wavelength shifts and equivalent temperature variation obtained at different measurement conditions for each FBG sensor.
| (°C) | | FBG_1 | FBG_2 | FBG_TEMP |
| 70 | (nm) | 1552.495 | 1573.562 | 1525.716 | (nm) | 1552.567 | 1573.477 | 1525.698 | (nm) | 0.072 | −0.085 | −0.018 | (°C) | 3.03 | −3.74 | −0.72 |
| 60 | (nm) | 1552.374 | 1573.319 | 1525.438 | (nm) | 1552.460 | 1573.219 | 1525.420 | (nm) | 0.087 | −0.100 | −0.018 | (°C) | 3.63 | −4.45 | −0.69 |
| 50 | (nm) | 1552.280 | 1573.049 | 1525.161 | (nm) | 1552.353 | 1572.974 | 1525.150 | (nm) | 0.051 | −0.055 | −0.010 | (°C) | 2.12 | −2.85 | −0.40 |
| 40 | (nm) | 1552.173 | 1572.806 | 1524.888 | (nm) | 1552.257 | 1572.720 | 1524.881 | (nm) | 0.053 | −0.047 | −0.005 | (°C) | 2.21 | −2.08 | −0.20 |
| 30 | (nm) | 1552.064 | 1572.572 | 1524.623 | (nm) | 1552.152 | 1572.475 | 1524.614 | (nm) | 0.089 | −0.097 | −0.008 | (°C) | 3.71 | −4.29 | −0.34 |
| 22 | (nm) | 1551.985 | 1572.377 | 1524.415 | (nm) | 1552.076 | 1572.285 | 1524.407 | (nm) | 0.091 | −0.092 | −0.008 | (°C) | 3.83 | −4.06 | −0.30 |
| 10 | (nm) | 1551.898 | 1572.065 | 1524.102 | (nm) | 1551.953 | 1572.008 | 1524.092 | (nm) | 0.055 | −0.058 | −0.010 | (°C) | 2.29 | −2.55 | −0.40 |
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