Table 3.
Humidity sensitivities of sensors.
| Sensor | Increasing Humidity | Decreasing Humidity |
|---|---|---|
| POFBG 1 (0.5% pre-strain) | 0.7 ± 0.2 pm/%RH | 0.3 ± 0.2 pm/%RH |
| POFBG 2 (0.1% pre-strain) | 3.9 ± 0.3 pm/%RH | 3.3 ± 0.2 pm/%RH |
| POFBG 3 (0.04% pre-strain) | 9.0 ± 0.5 pm/%RH | 10.0 ± 0.3 pm/%RH |
| POFBG 4 (0% pre-strain) | 11.7 ± 0.2 pm/%RH | 11.0 ± 0.3 pm/%RH |
| Silica FBG (0% pre-strain) | 1.3 ± 0.2 pm/%RH | 1.3 ± 0.2 pm/%RH |