Line-by-line fiber Bragg grating fabrication by femtosecond laser radiation
Journal of Physics Conference Series(2019)
摘要
We report on the fabrication of second order and fourth order fiber Bragg gratings (FBGs) in standard single mode telecom fiber through the polymer coating made line-by-line technique using femtosecond laser radiation. Measurement of spectral characteristics were performed in the reflection mode of the input signal of tunable laser.
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关键词
femtosecond laser radiation,femtosecond laser,bragg,line-by-line
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