Abstract: We demonstrate the fabrication of a high-quality fiber Bragg grating (FBG) in a large mode area passive double-clad fiber (DCF) using femtosecond laser multi-layer line-by-line inscription.
The final, formatted version of the article will be published soon. This study presents an integrated automated monitoring system for foundation pits based on fiber Bragg grating (FBG) technology. The ...
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