查询词典 laser diode

The module has stabled the center frequency of laser diode by controlling it'...

该控温模块通过控制 2 。5Gbit/s光发射模块中激光器管芯温度来稳定其中心频率，为波分复用系统的应用提供了具备稳定中心频率特性的光源。

In theoretical research by introducing pump and cavity beam distribution functions, we obtain the input and output relationship under stable conditions and analyze the effect of the distance between the laser diode and crystal medium on the pump threshold and slope efficiency.

理论上通过引入端面泵浦光场与振荡光场的分布函数，得到稳态条件下输入输出特性，分析了泵浦光焦点位置对泵浦阈值及斜效率的影响和在不同泵光功率下的最佳光斑大小及透过率。

The principle of laser diode digital temperature control system is introduced. Aiming at the characteristics of controlled object, the mathematical model of the system is constructed and analyzed. By adopting the method of dual-closed-loop cascade control system, the structure of system hardware is designed and the implementing measure of software is introduced.

介绍了半导体激光器数字温度控制系统的工作原理，针对被控对象的特点，建立和分析了系统的数学模型，并采用双闭环串级调节系统结构的方法，设计了系统的硬件结构，介绍了软件实现方法。

The numerical results indicate that the collimating performances of two lens changed little as the increasing of the refractive index and this made it possible to choose the material of the lens in more field.Theoretically,the radiation angle of laser diode beams in the quick axis can be compressed under 0.1 mrad.

结果表明：这两种柱透镜的准直效率随折射率的变化不大，这在一定程度上提高了透镜材料选择的灵活性；并且理论上，共轴双半椭圆柱透镜可以将半导体激光光束快轴方向的发散角压缩到0.1 mrad量级。

For the transmit side of the proposed system architecture, basic conception of laser diode driver is studied and a system structure and circuit implemention of LDD are introduced afterwords.

本文随后分析了构成该系统的各个电路子模块的设计思路和工作原理，并给出了符合设计要求的仿真波形。

A home made laser diode was used to end pump a piece of 1.0 mm long Nd:YVO4 crystal dopped with 1.0%.

用国产的激光二极管端面泵浦厚2.0 mm、掺杂浓度1.0%的Nd：YVO4激光晶体，在注入泵浦光功率为8 W时，用5 mm长的I类临界位相匹配BIBO晶体获得的TEM00模蓝光输出达1.83 W。

Based on the ring-shaped laser-diode array side-pumped Nd:YLF high gain amplifier and the conventional plan-concave resonator, a simple structure single-longitudinal-mode single-pulse Q-switched oscillator is demonstrated by taking advantages of mode-selecting property of passive Q-switches (Cr4+:YAG crystal) and etalons (formed by two end of uncoated Nd:YLF rod).

以激光二极管环形阵列侧面抽运Nd：YLF棒高增益放大器模块为基础，在经典的平凹驻波腔中加入一片Cr4+：YAG晶体作为被动Q开关，利用被动Q开关本身所具有的振荡选模功能以及两端不镀膜的Nd：YLF棒所具有的标准具效应，简便地实现了稳定的单脉冲、单纵模调Q输出。

Further more, the intensity distribution of output beam of single fiber and multi-fiber coupled laser diode is discussed. The pumping effect is studied by using the model of flat-topped beam.

在此基础上结合实际，讨论了单根光纤和多根光纤耦合LD的输出光束的光场分布，并利用已建立的平顶光束模型分析了它们的泵浦特性。

In order to solve this problem, a new method for the measurement of the wavefronts of high-power laser diode arrays with large dynamic ranges is presented.

针对这个问题，提供了一种可对大功率激光二极管线阵进行大动态范围波前测量的新方法，可在－π/2～π/2范围内进行高精度的波前斜率测量(±1′)。

The TOSA is driven by a custom IC, which converts differential logic signals into an analog laser diode drive current.

在Tosa是一个自定义驱动集成电路，它转换成模拟激光二极管驱动电流差动逻辑信号。

Since historical times,England ,where the early inhabitants were Celts, has been conquered three times .

从有历史以来，英国，在此地早期居住的是凯尔特人，已经被征服了三次。

Bluetooth OBEX File Transfer Enables the sending and receiving of files on your phone via Bluetooth.

蓝牙OBEX文件移动允许经过蓝牙传送和接受文件。。。。