Depolarizers for multiple longitudinal mode laser diodes.

用于多纵模线偏振激光的消偏器。

It can be used to menu longitudinal mode, single transverse mode.

它可以用来选单纵模，单横模等。

The article study widening band of longitudinal mode piezoelectric transducers.

本文研究纵向振动压电换能器的频带展宽问题。

An absolute distance heterodyne interferometer using a dual longitudinal mode he ne laser is proposed.

提出了一种采用双纵模稳频激光器的新型绝对距离测量外差干涉仪。

Sound example 6: Chords followed by bass notes with different longitudinal mode frequencies (six versions).

健全例如6：和弦其次是低音注意到不同纵模频率(6版)。

A model for single longitudinal mode semiconductor laser with internal-reflection optical coupling is proposed.

提出了一种内反射耦合的单纵模半导体激光器模型。

Under certain conditions, this method can measure the output linewidth of single longitudinal mode fiber laser.

在一定的条件下，该方法是可以对单纵模光纤激光器的输出线宽进行测量的。

The invention relates to the laser field, in particular to a single longitudinal mode output microchip type laser.

本发明涉及激光领域，尤其涉及单纵模输出微片式激光器。

In the experiment of combining four beams with single longitudinal mode, a combination efficiency of 85.3% is achieved.

实验实现了四束单纵模光束的合成，合成效率为85.3%。

The principle of a frequency stabilizing unit and its power circuit for a double longitudinal mode laser are introduced.

介绍一种双纵模激光器的稳频装置原理及其电源电路。

There are two kinds of fundamental content structures of science course, and they are longitudinal mode and transverse mode.

科学课程的内容组织结构分为“纵制式”和“横制式”两种。

Based on analyzing common low noise and fast photodetectors, PIN photodiode is selected to detect He-Ne laser longitudinal mode pulse.

在分析常用低噪声快速光电探测器的基础上，选择pin光电二极管来探测氦氖激光纵模脉冲。

According to the simulated numerical results, the longitudinal mode guided waves at different frequencies were excited in the experiments.

参照数值计算结果，实验中采用不同频率激励纵向模态导波。

We have experimentally studied the instabilities of a homogeneously broadened single-longitudinal mode CO2 laser with transverse magnetic field.

在外加磁场的情况下，对单模均匀展宽CO_2激光器进行了实验研究。

The threshold gains of different longitudinal modes are modulated by optical feedback. The mode which has the lowest threshold gain can oscillate.

光回馈调制了激光器不同纵模的阈值增益，阈值增益最低的纵模获得振荡。

With the adoption of the technical proposal, the invention provides a microchip type laser structure to realize the high-power single longitudinal mode output.

本发明采用如上技术方案，提出了一种微片式的激光器结构实现高功率的单纵模输出。

The non-single resonance characteristics appear by forming proper impedance matching layers on the radiative surface of longitudinal mode piezoelectric transducer.

在复合棒纵向换能器的辐射端加上适当材料的阻抗匹配层，可以使其工作在非单谐振状态下。

Axially symmetric longitudinal mode guided waves are more sensitive to the circumferential crack defects, which is basically consistent with the theoretical analysis.

轴对称的纵向模态导波对于周向裂纹缺陷较为敏感，这与模拟结果比较接近。

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。

The results obtained in our work can be used in construction of a single longitudinal mode laser with enhance output and to suggest a new method of modulation for lasers.

它们可以用来得到较大输出能量的单纵模激光器和激光器的新的调制方法。

The methods of eliminating self - mode - locking and realizing single longitudinal mode operation in silicate glass laser is reported. The experimental results have been given.

本文报道在硅酸盐钕玻璃激光器中消除激光自锁模现象及实现单纵模运转的方法，并给出实验结果。

Sound example 5: "Yankee Doodle" played on strings tuned to the same pitch (transverse frequency) but with different longitudinal mode frequencies (two versions in different keys).

健全例如5：“扬基歌”上播放字符串调整同一球场（横向频率），但不同的纵模频率（两个版本在不同的键）。

There is no ideal way so far to represent the longitudinal and lateral motion mode of the small linear disturbance motion equation.

形象地表现线性小扰动运动方程的纵向和横航向典型运动模态，一直缺乏一种理想的方式。

Initial analysis in made of the mode of longitudinal stress in the pipeline under vertical load.

对垂直荷载作用下的管道纵向受力模式进行了初步探讨。

The failure process and mode has been observed, and load-displacement curves, cracking and ultimate load, and the strain of longitudinal and transverse steels have been recorded.

试验中，观测了试件的破坏全过程及破坏形态等，记录了荷载—位移滞回曲线、开裂荷载、极限荷载、箍筋和纵筋的应变等数据。

The bi-refraction based this energy overlap mechanism should be more interesting for electronic waves in which there exists only the longitudinal polarized mode.

特别是对于仅有纵模式偏振的电子波来说，这种双折射效应相信会有更深刻的意义。

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。

We showed that the laser coherence in time-space is determined principally by longitudinal and cross mode structure of laser.

本文指出激光器的时空相干性，原则上取决于器件的纵模和横模结构。

Especially, a physical phenomenon is found that transverse vibration mode shapes and longitudinal vibration mode shapes can transform mutually.

特别是发现了耦合振动中横向和纵向振型相互转化的物理现象。

The natural longitudinal or torsional vibration of a wedge-shaped shaft is studied with perturbation method. The vibration mode function and the frequency characteristic equation are derived.

采用摄动法研究了楔形杆轴的固有纵扭振动，并且推导出了其固有纵扭振动的振型函数及频率特征方程。