The characteristics of high power fiber lasers are given and the pumping methods for photonic crystal fiber and helical-core fiber are introduced.
阐述了高功率光纤激光器的特点并介绍了光子晶体光纤和螺旋芯光纤的抽运耦合方式。
The operation principle of this helical-core fiber laser and its latest theoretical and experimental development are specified.
介绍了这种螺旋芯光纤的原理和其提高输出功率的能力，以及目前的理论与实验研究现状。
Using conventional coupled-mode theory, a set of coupled-mode equations are formulated for single-helix chiral fiber long-period gratings. A helical-core fiber is analyzed as an example.
采用传统的耦合模理论，建立了单螺旋手征长周期光纤光栅的耦合模方程，并以螺旋芯光纤为例进行了理论分析。
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