For the first time, we regard bent LPG as the bent single mode optical fiber that meets LPG抯 phase-matching condition.
首次提出把弯曲长周期光纤光栅视为满足长周期光纤光栅相位匹配条件的弯曲单模光纤来分析。
参考来源 - 弯曲光纤光栅的研究·2,447,543篇论文数据，部分数据来源于NoteExpress
Any theory has its limits of applicability including the phase-matching condition.
任何一种理论都有它的适用范围，相位匹配条件亦不例外。
We calculate the best phase-matching angle according to the Sellemier equations of KTP and compare the quality of LBO.
根据KTP晶体不同的色散方程，对该匹配角进行了数值计算； 并比较了LBO晶体的相关特性。
A study on the mode under the condition of phase-matching of stimulated four-photon mixing (SFPM) in optical fiber waveguides has been performed.
本文对相位匹配条件下光纤波导中的受激四光子混频(SFPM)过程的模式问题进行了理论和实验研究。
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