Table 2 Summary of temperature sensitivity and thermo-optic coefficient changes on LPGs after irradiation.
Sensor id | Experimental data | From numerical-experimental comparison | ||
|---|---|---|---|---|
ST [pm/°C] (before irr.) | ST [pm/°C] (after irr.) | \({\boldsymbol{\Delta }}{{\boldsymbol{\alpha }}}_{{\boldsymbol{c}}{\boldsymbol{o}}}^{{\boldsymbol{i}}{\boldsymbol{r}}{\boldsymbol{r}}}\) | \({\boldsymbol{\Delta }}{{\boldsymbol{\alpha }}}_{{\boldsymbol{c}}{\boldsymbol{l}}}^{{\boldsymbol{i}}{\boldsymbol{r}}{\boldsymbol{r}}}\) | |
OZ1-LPG | 50.0 | 51.2 | <10−8/°C | — |
OZ2-LPG | 49.9 | N.A. | N.A. | N.A. |
Thorlabs-LPG | 47.6 | 48.6 | <10−8/°C | — |
FiberA-LPG | 50.8 | 51.6 | <10−8/°C | — |
Nufern-LPG | 49.5 | 57.7 | 3∙10−8/°C | — |
Draka-LPG | 29.6 | 26.5 | — | 6∙10−8/°C |
