期刊
JOURNAL OF LIGHTWAVE TECHNOLOGY
卷 19, 期 10, 页码 1574-1579出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/50.956145
关键词
electric arc; long-period fiber gratings (LPFGs); thermal stability
We report, for the first time to our knowledge, the excellent optical performance of long-period gratings written in three standard libers and in two nonstandard fibers, namely, S-doped and N-doped fibers, using the flexible and low-cost electric are technique. The fundamental mechanism for their formation is proposed. The gratings thermal behavior and the effect of fiber preannealing prior to writing have been investigated. We have demonstrated a good stability of these gratings at high temperatures.
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