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For the nonlinear laser device with intracavity doubling or parameter oscillator, the quasi-continuous operating is needed to improve the peak power inside the laser cavity,and AO Q-switching is an important way to obtain the quasi-continuous laser.

对于连续泵浦的内腔式倍频、参量振荡等非线性激光器件，常需要准连续运转来提高腔内的峰值功率，声光调Q是目前获得准连续运转激光器的重要途径。

An explicit analytical solution of the threshold pump power of the laser has been derived based on rate equations which contain the attenuation coefficients of the pump and laser radiations as well as the major contribution of the re-emission of the upper level atoms to the pump wave by using the analytical solutions. An analytical solution of the minimum fiber length required for the onset of the oscillation is presented. In addition, the analytical solutions describing the variations of the density of the pump radiation and upper laser level population along the fiber length have also been given.

从速率方程组出发，在不忽略光纤损耗系数和保留再发射项主导部分的近似条件下推导出了双包层光纤激光器阈值泵浦功率的显函数解析表达式，得到了光纤激光器产生振荡所需的最小光纤长度的显函数解析解；还给出了泵浦光子数密度和上能级粒子数密度沿光纤方向随光纤长度变化的显函数解析解。

LAP is a well-acknowledged leader for laser guidelights, laser projectors and laser measurement systems for industrial and medical applications.

如今在全球各工业、医用激光测量应用中，LAP已显然成为世界领先的的相关企业之一。

LAP is a well-acknowledged leader for laser guidelights, laser projectors and laser measurement systems for industrial and medical applications.

LAP 激光应用有限公司自行开发、生产、销售各激光测量仪表、激光定位系统等产品，为各行业的用户提供一体化的测量解决方案。

Laser bending is a forming technology which makes use of a thermal stress and thermal strain to achieve sheet metal bending in recent year, and it needs no die and external force. The laser beam energy has good controllability. Laser technology is used in forming of magnesium alloy sheet, this can full play the unique advantages of the technology.

激光弯曲成形是一种利用热应力来实现板材成形的技术，激光弯曲成形不需模具和外力，且激光束能量集中具有良好的可控性，将激光成形技术用于镁合金板材成形，可以充分发挥该技术的独特优势。

Mainly engaged in laser, SMT Stencil, laser cutting machine, FPC laser cutting machine development and research.

主要从事Wattlaser激光、模板、激光切割机、钢网、FPC激光切割机的开发和研究。

Mainly engaged in laser, SMT Stencil, laser cutting machine, FPC laser cutting machine development and research.

主要从事Wattlaser激光、金属激光切割机、FPC/PCB及非金属激光切割机、激光焊接、激光抛光、SMT印刷模板的开发和研究。

In mobile atmosphere laser communication, we often complete acquisition, tracking, pointing and communication by signal laser and beacon laser.

在移动大气激光通信中，通常采用信号光和信标光来完成信号的捕获、踪、位以及通信。

We believe that the improvement of the frequency response is due to a two-mode beat that includes the main mode of the slave laser and the master laser mode, which coincides with the side band of the slave laser.

激光器频率响应的改善可以用两个模式的拍频来解释，一个模式是从激光器的主模，另一个是主激光器的模式，该模式与从激光器的边带重合。

Furthermore, its working characteristics are studied experimentally and compared with those excited by the only DC glow discharge. Under the action of transverse silent discharge, the laser power, the gas-filled pressure and the fraction of N2in the laser are increased obviously, the laser efficiency is increased, too.

实验表明，由于横向无声放电的作用使这种激光器的激光功率、工作气压和工作气体中氮的比例有明显的提高，激光效率也有所提高，而且放电电流能兼顾最大激光输出功率和最佳效率。

The system can be widely used in belt weighing and batching process control,etc.

介绍了基于智能模糊控制的嵌入式配料系统的设计方法，对模糊PID控制过程和系统调零作了重点的讨论，同时给出了PID控制的程序流程图和系统定长调零子程序。

"I dunno," she answered,"but if you show me aroun', I'll recognize it from the lighthouse just outside the porthole."

"我不知道，"她回答说，"如果你能带我转转，我能认出来的，因为灯塔就在舷窗外。"