The main mechanisms of femtosecond laser inscription LPFG are discussed.
介绍了利用飞秒激光器刻写长周期光纤光栅的基本方法。
Long period fiber grating (LPFG) is a new kind of optical fiber element.
长周期光纤光栅是一种新型光纤器件。
The axial distribution for mode fields of the LPFG is analyzed and researched.
分析研究了长周期光纤光栅轴向的模场变化。
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