About this Abstract |
| Meeting |
2026 TMS Annual Meeting & Exhibition
|
| Symposium
|
Special Topics in Nuclear Materials: Reproducibility and Uncertainty; Hydrogen Effects; Space and Microreactor Systems
|
| Presentation Title |
Irradiation Effects on Optical Fiber Sensors and Measurements |
| Author(s) |
Daniel Sweeney, Christian M. Petrie |
| On-Site Speaker (Planned) |
Daniel Sweeney |
| Abstract Scope |
Optical fiber sensors are attractive for measuring temperature and strain in and around nuclear reactors due to their chemical inertness, high-temperature stability, immunity to electromagnetic interference, and small footprint. Realizing accurate measurements also requires selecting appropriate coating and dopant materials, sensor placement, and signal processing strategies to minimize uncertainty and improve survivability. To this end, this presentation will provide an overview of the recent developments and best practices supported by experimental data and theoretical calculations. Though recommendations vary, optical fibers fabricated with F doping in their core and cladding without polymeric coatings have been shown to be more robust to fast neutron irradiation. Furthermore, adaptive signal processing techniques have been developed to enable distributed optical fiber sensors to be usable during irradiation experiments while quantifying and minimizing measurement uncertainty. These practices are critical to ensuring reliable optical fiber-based measurements and realizing the utility of these sensors within the nuclear industry. |
| Proceedings Inclusion? |
Planned: |
| Keywords |
Other, Environmental Effects, Electronic Materials |