光纤通信基础 内调制（直接调制）外调制（外调制）单纵模（Single-Longitudinal Mode,SLM）多纵模（Multi-Longitudinal Mode,MLM）模式噪声（Modal Noise）光斑噪声（Speckle Noise）模式分配噪声（Mode Pa
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By inserting a diagram in the ring cavity, multi-longitudinal mode and TEM00 mode outputs are realized. The laser output is linearly polarized in the direction perpendicular to the ring cavities’ plane.
采用腔内插入光阑实现了基横模多纵模运转,环形激光器双向输出功率基本相等,输出为垂直于环形腔平面的线偏振。
参考来源 - LD泵浦单频双向连续波固体环形激光器的研究·2,447,543篇论文数据，部分数据来源于NoteExpress
Feasibility is discussed that a multi-longitudinal mode laser is employed as the detection light source of the double-edge technique for Doppler lidar wind measurement.
讨论采用多纵模激光器作探测光源用于双边缘多普勒激光雷达测风的可行性。
A low frequency multi mode ultrasonic Lamb wave method suitable for characterizing shear and longitudinal wave velocities, thickness and density of ultra thin elastic layers is presented.
提出了用低频多模式超声兰姆波定征方法来估计超薄弹性层的纵波声速、横波声速、厚度和密度等参数。
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