Long-Term Stabilities Fiber Bragg Grating (FBG) Arrays Inscribed by Femtosecond Lasers at 910oC

J Zhao, K Zhao, Y Li, Q Wang… - 2021 Conference on …, 2021 - ieeexplore.ieee.org
J Zhao, K Zhao, Y Li, Q Wang, KP Chen
2021 Conference on Lasers and Electro-Optics (CLEO), 2021ieeexplore.ieee.org
… Abstract: We presents experimental data of 3-week stability tests at 910oC of FBG arrays
fabricated by femtosecond laser direct writing technique. We show that FBG can perform
accurate temperature measurement with <1oC fluctuation at high temperatures. … In this
paper, we present massive quality assurance testing data of FBG sensor arrays at 910oC
for a duration of 3 weeks as an intermediate step toward quality assurance of fiber sensors
for eventual deployment in nuclear reactor systems. …
We presents experimental data of 3-week stability tests at 910 o C of FBG arrays fabricated by femtosecond laser direct writing technique. We show that FBG can perform accurate temperature measurement with <1 o C fluctuation at high temperatures.
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